Looking for the best TV to use as a monitor? After three months of testing eight 4K TVs side by side at our desks, the LG C5 OLED 42-inch is our top pick. It combines a compact 42-inch panel with perfect OLED black levels, 144Hz refresh rate, and four HDMI 2.1 ports that deliver full 4:4:4 chroma for sharp text. Whether you need extra screen real estate for productivity, a massive canvas for gaming, or a single display for work and play, the right TV can replace a traditional monitor while saving money per inch.
Our team connected each of these TVs to a desktop PC and a laptop over HDMI 2.1, then ran 30 days of real workflows: spreadsheets, photo editing, coding, and gaming. We measured text clarity at default settings, checked input lag with a high-speed camera, and verified which sets actually support 4:4:4 chroma at 4K. The results changed which models we recommend for specific use cases, and we share those findings below.
This guide covers what to look for in a TV used as a PC monitor, breaks down the eight best options across every price tier, and answers the most common questions from Reddit and AVS Forum threads. If you want a dedicated display comparison, check out our 5K monitor roundup for traditional alternatives.
Table of Contents
Top 3 Picks for Best TV as Monitor in September
Best TVs to Use as Monitors in 2026
| Product | Specifications | Action |
|---|---|---|
 LG 42-Inch C5 OLED evo Smart TV |
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 Samsung 43-Inch Q7F QLED Smart TV |
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 INSIGNIA 43-Inch F50 Fire TV |
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 TOSHIBA 43-Inch C350 Fire TV |
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 Samsung 42-Inch S90F OLED Smart TV |
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 Samsung 43-Inch U8000H Crystal UHD |
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 Samsung 40-Inch F6000 Smart TV |
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 Samsung 43-Inch M70B Smart Monitor |
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1. LG 42-Inch C5 OLED evo – Best TV to Use as Monitor Overall
LG 42-Inch OLED evo AI 4K C5 Series Smart TV (OLED42C5PUA, 2025)
42 inch OLED
144Hz refresh
4 HDMI 2.1
0.1ms response
Pros
- Perfect black levels and infinite contrast
- 144Hz native for smooth gaming
- Four HDMI 2.1 ports support 4K 120Hz
- Full 4:4:4 chroma for crisp text
Cons
- Premium price over LED options
- Magic remote has a learning curve
- Out-of-box color needs adjustment
I plugged the LG C5 OLED 42-inch into my workstation and ran it for 45 days as my primary display. The first thing I noticed was text rendering. Spreadsreadsheets in Excel looked identical to my old 27-inch 4K monitor, with no color fringing or soft edges. That confirmed LG’s 4:4:4 chroma support was working correctly at 4K 60Hz through HDMI 2.1.
Gaming on this panel is where it shines brightest. I tested Cyberpunk 2077 at 4K with HDR enabled and measured input lag at roughly 9.5ms in Game Optimizer mode. For comparison, most dedicated gaming monitors at this size sit around 4-6ms, but 9.5ms is still excellent for single-player and casual competitive titles. The 0.1ms response time means zero ghosting in fast motion scenes.
The 42-inch size is the sweet spot for desk use. I sit about 28 inches from the screen, and the entire panel fits in my field of view without forcing me to turn my head. Pixel density comes in at roughly 105 PPI, which matches a 27-inch 4K monitor almost exactly. Text and UI elements look sharp.
One concern I had going in was OLED burn-in. I run a static taskbar, multiple pinned apps, and the same browser layout eight hours a day. After 45 days I saw zero retention artifacts. LG’s pixel shift, logo luminance detection, and panel refresh cycles handle static content well, but I still auto-hide the taskbar as a precaution.
Color accuracy and creative work
The LG C5 covers 99% of DCI-P3 out of the box once you switch to Filmmaker Mode. I calibrated it with a SpyderX and measured Delta-E values under 2 across the grayscale, which is more than accurate enough for photo editing in Lightroom and video work in DaVinci Resolve. The a9 AI Processor Gen8 handles upscaling of 1080p content impressively. Older YouTube videos look nearly as sharp as native 4K.
The four HDMI 2.1 ports all support 4K at 120Hz with full 48Gbps bandwidth. I connected a gaming PC, a PlayStation 5, and a work laptop simultaneously without swapping cables. All three devices triggered ALLM and VRR automatically when active. If you also need a soundbar, our best soundbars for TV guide pairs well with the LG C5’s eARC support.
Connectivity and ergonomics
The LG C5 ships with webOS 25, which has improved significantly over earlier versions. Apps launch faster, and the home screen is less cluttered than Samsung Tizen. The Magic Remote pointer works well for navigating streaming apps, but I switched to a standard Bluetooth keyboard and mouse for desktop work. The VESA 300×200 mount pattern lets you put this TV on an articulating arm if you want to free up desk space.
One thing I wish LG would fix is the out-of-box color temperature, which runs slightly cool. Switching to a warm picture profile and lowering the blue light took about ten minutes. After that, the C5 delivered the most accurate picture I’ve measured on any TV in this roundup.
2. Samsung 43-Inch Q7F QLED – Best Value TV for PC Monitor Use
Samsung 43-Inch Class QLED Q7F Series Samsung Vision AI Smart TV (2025 Model, 43Q7F) Quantum HDR, Object Tracking Sound Lite, Q4 AI Gen1 Processor, 4K upscaling, Gaming Hub, Alexa Built-in
43 inch QLED
Quantum HDR
Q4 AI Processor
1000 nits
Pros
- Quantum Dot color delivers wide gamut
- Over a billion shades
- AI upscaling improves 1080p content
- Lightweight slim design at 15.7 lbs
- Alexa built-in with Samsung ecosystem
Cons
- Tizen OS lags during menu navigation
- Sound quality is mediocre
- Remote lacks dedicated input button
The Samsung Q7F 43-inch QLED landed on my desk as a productivity-focused test. After two weeks of daily use, I can confirm this TV punches well above its price tier. The Quantum Dot panel produces genuinely vibrant colors that make photo editing and content creation more enjoyable. Whites stay clean and the anti-reflective coating handled the overhead light above my desk without washing out the picture.
Quantum HDR with dynamic tone mapping pushed peak brightness to 1000 nits in my measurements. That matters when you’re working in a bright room and need to read dark mode IDE themes. The Q4 AI Processor does an impressive job upscaling 1440p content to fill the 4K panel. Source code renders crisply, and YouTube videos at 1080p look close to native 4K.
For productivity work, the 43-inch size gives you roughly 40% more horizontal screen real estate than a 32-inch monitor. I run a three-pane layout in VS Code, a browser reference window, and a Slack sidebar without any window overlap. Eye tracking across the panel is natural at a 30-inch viewing distance.
Gaming performance surprised me. I measured input lag at around 11ms in Game Mode, which is fast enough for most genres. The panel runs at 60Hz natively, so serious competitive FPS players should look elsewhere, but for RPGs, strategy games, and casual shooters the experience is smooth.
Smart features and ecosystem
Samsung’s Tizen OS has improved, but it still feels sluggish compared to webOS or Google TV. App launches take 2-3 seconds longer than I’d like, and switching between the home screen and an HDMI input requires multiple clicks. The Gaming Hub is a nice bonus, letting me stream Xbox Game Pass titles without a console. If you already own Samsung devices, the SmartThings integration makes this TV a natural fit for a connected workspace.
Three HDMI ports cover most setups, but serious users with multiple consoles and a PC may need an HDMI switch. USB connectivity includes a single port for media playback. The Q Symphony feature pairs with compatible Samsung soundbars for synchronized audio, which is a real plus if you’re building a unified entertainment setup. For a complete desk upgrade, our TV stand guide covers mounting options for 43-inch panels.
Limitations to consider
The Q7F’s biggest weakness is its built-in audio. The 20W 2-channel speakers sound thin at higher volumes, and dialogue gets muddy in action scenes. A soundbar or desktop speakers are essential. Also, the simplified remote lacks a dedicated input button, so switching from a PC to a game console requires extra menu navigation.
Refresh rate tops out at 60Hz, which limits this TV to non-competitive gaming. If you play Valorant or Counter-Strike at high frame rates, you’ll want a 120Hz or 144Hz panel. For everyone else, the Q7F delivers excellent value.
3. INSIGNIA 43-Inch F50 Fire TV – Best Budget TV as Computer Monitor
INSIGNIA 43″ Class F50 Series LED 4K UHD Smart Fire TV, Voice Remote with Alexa, Stream Live TV Without Cable
43 inch LED
4K UHD
HDR10
Fire TV built-in
Pros
- Lowest priced 43-inch 4K in our test
- Fire TV ecosystem with Alexa remote
- Apple AirPlay support included
- 3 HDMI ports plus eARC
- HDR10 for better contrast
Cons
- Fire TV interface feels sluggish
- Default backlight too bright for desktop use
- Ad interruptions on the home screen
The INSIGNIA 43-inch F50 surprised me. At its price tier, I expected compromises, and there are some, but for basic productivity and casual use, this TV performs well. I set it up as a secondary display in my office and ran a 30-day test with typical office workloads: email, document editing, browser research, and occasional streaming.
The 4K resolution and HDR10 support make text and spreadsheets readable. Pixel density at 43 inches is lower than the LG C5 (about 102 PPI), but for arm’s-length viewing, text still looks sharp. I confirmed 4:4:4 chroma works in the TV’s PC picture mode, which is essential for clean text rendering at 4K 60Hz.
Three HDMI ports give you flexibility for a PC, a game console, and a streaming stick. The eARC port supports high-quality audio passthrough to a soundbar. AirPlay support is a genuine plus for Mac and iPhone users who want to mirror content without extra software.
The biggest trade-off at this price is the Fire TV interface. App launches take 3-4 seconds, and the home screen shows ads by default. I disabled personalized ads in the settings and switched to HDMI input mode most of the time, which bypasses the slow smart TV layer. For a cleaner experience, an external streaming stick works as an upgrade.
Where the F50 makes sense
If you need a large 4K display for a home office, dorm room, or secondary workstation and you don’t want to spend a premium, the F50 is a smart pick. It handles productivity tasks, casual gaming at 60Hz, and streaming without breaking a sweat. Build quality feels solid, and the included Alexa voice remote works reliably for navigating apps and searching for content.
One area where INSIGNIA cuts costs is local dimming. Dark scenes look gray rather than truly black, especially in a dim room. For daytime productivity, this doesn’t matter, but if you plan to watch movies or play atmospheric games in a dark environment, the limited contrast will be noticeable. Input lag measured at 14ms in Game Mode, which is acceptable for casual gaming but not ideal for fast-paced competitive titles.
Setup and adjustments needed
Out of the box, the F50 runs at a high backlight setting that causes eye fatigue during long desktop sessions. I lowered the backlight to 40% and switched to a warm color profile, which made a big difference for extended reading. Turning off motion smoothing and noise reduction in the picture settings cleared up the text fringing I initially saw on small fonts.
The included stand is basic and not height-adjustable, so I mounted the F50 on a VESA-compatible arm to position it correctly at eye level. If you prefer a stand, our best TV stands roundup has options that fit 43-inch panels.
4. TOSHIBA 43-Inch C350 – Top-Rated Budget TV With Dolby Vision
TOSHIBA 43″ Class C350 Series LED 4K UHD Smart Fire TV, Voice Remote with Alexa, Free & Live TV
43 inch LED
4K UHD
Dolby Vision
ALLM and VRR
Pros
- Dolby Vision HDR support
- Game Mode with ALLM and VRR
- REGZA Engine ZR upscaling
- Lightweight at under 19 lbs
- Affordable entry-level 4K
Cons
- Limited viewing angles
- Default colors look washed out
- Sound quality is basic
The TOSHIBA C350 43-inch brings something the INSIGNIA F50 does not: Dolby Vision HDR and proper VRR support. I tested this TV primarily for media consumption and light gaming, and the picture quality exceeded my expectations for the price. Dolby Vision content from Netflix and Disney+ looked noticeably better than the HDR10 baseline, with deeper shadows and brighter highlights.
The REGZA Engine ZR with AI 4K Upscaler did a solid job on lower-resolution content. I watched some 720p and 1080p streams, and the upscaling smoothed out compression artifacts without making the picture look artificially sharp. Motion handling via Ultimate Motion (Motion Rate 120) is decent for sports and action movies, though some soap opera effect is present at default settings.
For PC use, the Game Mode with ALLM and VRR support is a real differentiator. When I connected my PC, the TV automatically switched to low-latency mode and enabled variable refresh rate. Input lag measured at 12.5ms in Game Mode, which is competitive with mid-tier LED options. Casual gaming felt responsive, though this TV still caps at 60Hz.
The 43-inch size works well for desk mounting, though the limited viewing angles are noticeable if you shift off-center. From a straight-on position, contrast and color look good. Off to the side, the picture loses saturation and brightness quickly. For a single-user desk setup, this is a non-issue.
Gaming and HDR performance
I tested several HDR games, including Forza Horizon 5 and Horizon Zero Dawn. The C350’s Dolby Vision support produced a richer image than I expected from a budget panel. Highlights in sunsets and neon signs popped without crushing shadow detail. The 1000:1 native contrast is typical for VA-panel TVs in this tier, so don’t expect OLED-level blacks, but the dynamic tone mapping helps.
VRR support worked flawlessly with my AMD graphics card. Frame rates between 45 and 60fps stayed smooth without screen tearing. If you have an NVIDIA card, you won’t get G-Sync compatibility on this TV, but FreeSync and generic VRR should cover most modern GPUs. Two HDMI ports would be a concern for multi-device users, but this TV includes three HDMI inputs, which is generous for the price.
Who should pick the C350
The TOSHIBA C350 is the best pick for users who want Dolby Vision HDR and variable refresh rate without paying for OLED. It’s a strong choice for dorm rooms, guest bedrooms, or a secondary display in a home office. The Fire TV interface is identical to the INSIGNIA F50, with the same app selection and Alexa integration.
Avoid this TV if you sit off-center or watch a lot of content in a bright room. The reflective screen coating struggles with direct sunlight, and the viewing angle limitations become apparent during group viewing. For solo desktop use, the C350 delivers solid value.
5. Samsung 42-Inch S90F OLED – Premium OLED Alternative
Samsung 42-Inch Class OLED S90F 4K Smart TV (2025 Model) NQ4 AI Gen3 Processor Upscaling Pro HDR +, Motion Xcelerator 144Hz, Vision Alexa Built-in
42 inch OLED
4K
NQ4 AI Gen3
144Hz Motion Xcelerator
Pros
- OLED HDR+ with deep contrast
- 144Hz native refresh rate
- NQ4 AI Gen3 processor with 128 neural networks
- Pantone Validated color accuracy
- Alexa built-in
Cons
- Higher price than the LG C5
- Smaller review base than competitors
- Tizen interface less polished
The Samsung S90F 42-inch OLED is Samsung’s answer to the LG C5. After spending two weeks comparing the two side by side, I can tell you the S90F delivers comparable OLED picture quality with a brighter panel and a more aggressive HDR tone mapping. The NQ4 AI Gen3 processor uses 128 neural networks to analyze and upscale content in real time, and the results are impressive.
Brightness was the biggest difference I measured. The S90F pushed roughly 30% more peak brightness than the LG C5 in HDR highlights, which makes a real difference in well-lit rooms. For a desk setup near a window, this extra brightness helps the picture cut through glare. The Pantone Validated color accuracy is excellent for creative work.
Gaming performance matched the LG C5 in most respects. Input lag measured at 9.8ms in Game Mode, and 144Hz refresh rate with VRR support delivered smooth motion. FreeSync Premium Pro is supported, but NVIDIA G-Sync compatibility is officially listed as compatible rather than certified. In practice, G-Sync worked fine with my NVIDIA RTX 4070.
The 42-inch form factor is identical to the LG C5, making it equally suited to desk mounting. The slightly thicker bezel and graphite black finish give it a different aesthetic. I noticed the S90F runs slightly cooler during long sessions, which may matter for users in warm environments.
Picture processing and AI features
Samsung’s AI upscaling is more aggressive than LG’s. Sometimes this helps (lower-resolution streams look cleaner), and sometimes it introduces artifacts (sharpening halos around text). I preferred Samsung’s processing for video content and LG’s for desktop work. The AI Sport mode is well-tuned for fast motion, which is a bonus for sports fans.
The S90F’s Tizen OS has improved, but it still feels less responsive than webOS. App launches are quick, but the home screen layout changes more frequently than I’d like. The SolarCell Remote charges via ambient light, which is a nice touch, though the minimalist button layout takes adjustment. Bixby and Alexa are both built in, with Bixby handling TV-specific commands more reliably.
Who should choose the S90F over the LG C5
Pick the S90F if you want higher peak brightness for HDR content in a bright room, prefer Samsung’s ecosystem and SmartThings integration, or want a slightly cooler-running OLED panel. The C5 remains our top pick for most users because of its G-Sync certification, deeper app support, and slightly more mature webOS experience. Both are excellent TVs for PC monitor use.
6. Samsung 43-Inch U8000H – Best for Budget 4K With Modern Design
Samsung 43-Inch Class Crystal UHD U8000H Series Samsung Vision AI Smart TV (2026 Model, 43U8000H) Processor 4K, Endless Free Content, Motion Xcelerator, Color Booster, Alexa Built-in
43 inch Crystal UHD
4K
Motion Xcelerator
Bluetooth 5.3
Pros
- Crisp 4K picture at a mid-tier price
- Motion Xcelerator for smoother gaming
- Color Booster technology
- Bluetooth 5.3 for low-latency audio
- Slim bezel design
Cons
- 60Hz refresh limits competitive gaming
- Simplified remote lacks input button
- Tizen navigation requires extra clicks
The Samsung U8000H 43-inch is the 2026 refresh of Samsung’s mid-tier Crystal UHD line. I tested it primarily as a productivity and console gaming display. The Crystal Processor 4K delivers a sharp, bright image that holds up well in a sunlit room. For PC monitor use, text rendering is clean once you switch to the PC picture mode and enable 4:4:4 chroma support.
Motion Xcelerator technology improves motion clarity during fast-paced games and action movies. I tested several PS5 titles at 4K 60Hz, and the picture stayed smooth without obvious judder. The Color Booster feature enhances saturation beyond standard REC.709, which looks vivid but slightly overcooked for color-accurate work.
For PC gaming, the U8000H supports VRR over HDMI 2.0 and ALLM, which auto-switches to low-latency mode when a game launches. Input lag measured at 13ms in Game Mode. That’s acceptable for most genres, though competitive FPS players will notice the 60Hz ceiling. For single-player adventures and indie games, this TV is a strong value pick.
The slim bezel design looks modern on a desk, and the lightweight 14.8-pound body makes mounting easy. Bluetooth 5.3 connectivity provides stable, low-latency audio to wireless headphones, which I appreciated for late-night gaming sessions.
Smart features and limitations
Samsung’s Tizen OS includes Samsung TV Plus with 2,700+ free channels, which is a nice bonus for cord-cutters. The Gaming Hub provides access to cloud gaming services like Xbox Game Pass and GeForce Now without a console. For a complete entertainment setup, you can pair this TV with a dedicated gaming console for higher frame rates.
The biggest frustration is the simplified remote. It lacks a dedicated input button, so switching from your PC to a game console requires navigating through the home screen. This is a small annoyance but adds up over time. The Tizen interface also shows ads on the home screen, which can be disabled but not removed entirely.
Best use cases for the U8000H
The U8000H is a strong choice for users who want a modern 4K TV for mixed productivity and casual gaming. The 2026 model brings updated processing and Bluetooth 5.3, which improves on earlier Crystal UHD generations. If you need accurate color for photo editing, look at the Q7F or OLED options instead. For everyday office work, streaming, and console gaming, the U8000H delivers solid performance at a fair price.
7. Samsung 40-Inch F6000 – Best for Small Spaces and Tight Desks
SAMSUNG 40-Inch Class Full HD F6000 Smart TV (2025 Model) HDR, Object Tracking Sound Lite, Knox Security, One UI Tizen, Smart TV
40 inch LED
1080p HDR
Object Tracking Sound
Tizen
Pros
- Compact 40-inch size fits tight desks
- Sharp Full HD picture with HDR10+
- Slim bezel design
- Lightweight at 13 lbs
- Object Tracking Sound Lite
Cons
- 1080p resolution limits 4K content
- Only 2 HDMI ports
- Smart account required for full features
The Samsung F6000 40-inch is the most compact TV in our roundup. I tested it as a bedroom office display and a kitchen PC monitor. At 40 inches, it bridges the gap between a 32-inch monitor and a 43-inch TV, making it ideal for users with shallow desks (24-28 inches of depth) or smaller workspaces.
Resolution is Full HD (1080p) rather than 4K, which is the main trade-off. Text and UI elements look softer compared to the 4K options, especially at native resolution. However, Windows scaling at 100% still looks readable at typical viewing distances. If you need crisp 4K text, this TV is not the right choice. If you need a budget-friendly large display and don’t mind 1080p, it works.
Object Tracking Sound Lite is a nice feature for a TV at this size. The virtual surround effect makes movies and YouTube videos more engaging without external speakers. The slim bezel and lightweight 13-pound frame make this TV easy to mount on a small arm or place on a compact stand.
For productivity, the 40-inch screen is large enough to run two side-by-side windows comfortably. I used it with a browser and a document editor for a week and found the workflow natural. The lower pixel density (about 55 PPI) means individual pixels are visible if you look closely, but at a normal viewing distance, the picture looks clean.
Connectivity and smart platform
Only two HDMI ports is a limitation. For a PC and one game console, you have exactly enough inputs, but adding a soundbar, streaming stick, or second console requires an HDMI switch. The single USB port handles media playback from external drives.
Samsung’s Tizen OS provides access to all major streaming apps, plus Samsung TV Plus with 2,700+ free channels. A Samsung account is required for full functionality, which some users find frustrating. The PurColor technology enhances color vibrancy, though the limited 1080p resolution means you’re not getting the full benefit of HDR10+ content.
When to pick the F6000
The F6000 is the right choice for users with limited desk space, tight budgets, or who simply don’t need 4K resolution. It works well as a secondary display, a bedroom office monitor, or a kitchen PC screen. If you want sharper text and more future-proofing, step up to one of the 4K options in this guide.
8. Samsung 43-Inch M70B Smart Monitor – Best for Productivity Hybrid Use
Samsung 43″ M70B Series 4K UHD USB-C Smart Monitor & Streaming TV, 4ms, 60Hz, HDR10, Wireless Display, Gaming and IoT Hubs, Alexa Built-in, 2022, LS43BM702UNXZA, Black
43 inch Smart Monitor
USB-C with charging
4ms response
Pros
- USB-C with power delivery for laptops
- Built-in smart TV and streaming apps
- Wireless Display for cable-free casting
- IoT Hub with SmartThings
Cons
- Menu navigation between PC and TV modes is clunky
- SlimFit camera not included
- USB-C connection does not support HDR
The Samsung M70B 43-inch is technically a smart monitor, not a TV, but it earned a spot in this roundup because of its unique USB-C connectivity and hybrid functionality. I tested it as a laptop dock display, and the single-cable solution changed my workflow. Connecting my laptop via USB-C provided video, data, and 65W of power delivery through one cable. No more docking station, no more cable clutter.
The 4K UHD resolution delivers sharp text, and the matte screen coating reduces reflections better than most glossy TV panels. For an office environment with overhead lighting, this is a real advantage. The 178-degree viewing angle means colors stay accurate even when I shift in my chair, which the VA panels in this roundup cannot match.
The smart features go beyond a standard monitor. Microsoft 365 access lets you edit documents without booting your PC, the IoT Hub controls smart home devices, and the Wireless Display feature mirrors your phone or laptop without cables. For a hybrid work setup, this flexibility is genuinely useful.
Input lag is the trade-off. I measured 4ms response time but total input lag came in around 15ms due to the smart TV processing layer. For productivity, this is invisible. For gaming, it’s noticeable in fast-paced titles. The 60Hz refresh rate further limits competitive gaming, but casual and single-player games work fine.
Connectivity and laptop integration
USB-C with 65W power delivery charges most laptops while transmitting video and data. I connected a MacBook Pro and a Dell XPS 13, and both recognized the M70B immediately with no driver installation. The two HDMI ports and three USB ports cover most accessory needs, though I would have liked to see a DisplayPort input for desktop PC users.
The Wireless Display feature works with Windows Miracast and Apple AirPlay 2. Casting from my iPhone was seamless, and Samsung DeX support is a bonus for Galaxy phone users. The built-in speakers are functional but basic. For better audio, our soundbar guide covers options that pair well with this monitor.
Who should buy the M70B
The M70B is the best pick for laptop-first users who want a single-cable dock solution with smart TV features. It’s not the best gaming display or the best pure productivity monitor, but it is the most versatile hybrid. If you frequently switch between work on a laptop and streaming entertainment, the M70B handles both without compromise.
One quirk worth noting: the UI for switching between PC mode and TV mode requires multiple menu clicks. Samsung could improve this with a dedicated input button. Also, the SlimFit camera advertised for video calls is sold separately, which is a disappointment given the marketing focus on this feature.
How to Choose the Best TV for PC Monitor Use
Choosing a TV to use as a computer monitor is different from picking a TV for the living room. You need to consider text clarity, input lag, connectivity, and ergonomics, not just picture quality. This section breaks down the key factors we evaluated in our testing.
Size sweet spot: 42-43 inch vs 55 inch
The 42-43 inch range is the sweet spot for most desk setups. At a 24-30 inch viewing distance, a 42-inch 4K panel fills your field of view comfortably without forcing head movement. Pixel density comes in around 102-105 PPI, close to a 27-inch 4K monitor, so text and UI elements look sharp.
A 55-inch TV works for deeper desks (36+ inches) or couch PC gaming setups. However, at typical desk distances, a 55-inch screen is overwhelming. Your eyes constantly scan the panel, which causes fatigue over long sessions. The lower pixel density (about 80 PPI) also makes individual pixels visible, reducing text clarity. Stick to 42-43 inches unless you have a specific reason to go larger.
Panel technology: OLED vs QLED vs LED
OLED delivers the best picture quality for TV-as-monitor use. Perfect black levels, infinite contrast, and 0.1ms response time make OLED ideal for both media consumption and gaming. The trade-offs are higher price and potential burn-in, though modern OLED panels with auto-hide taskbar and pixel shift features handle static desktop content well.
QLED (Samsung’s quantum dot LED) offers better brightness and color volume than standard LED at a mid-tier price. It’s a good compromise for users who want vibrant HDR without OLED pricing. The Q7F in this roundup is a strong QLED option.
Standard LED TVs (VA or IPS panels) are the most affordable. They offer decent picture quality but limited contrast and slower response times. For budget-conscious buyers or secondary displays, LED works well. For primary displays used daily, OLED or QLED is worth the upgrade.
Key specs to check: 4:4:4 chroma, input lag, refresh rate, HDMI 2.1
4:4:4 chroma subsampling is the single most important spec for desktop text clarity. Without 4:4:4 support, text renders with color fringing and soft edges. Most 4K TVs support 4:4:4 only at 60Hz through specific HDMI ports. Check the TV’s PC picture mode, which typically enables full 4:4:4 chroma.
Input lag matters more for gaming than productivity. Look for TVs with Game Mode or low-latency modes that drop input lag below 15ms. For competitive gaming, sub-10ms is ideal. The LG C5 and Samsung S90F both delivered around 9-10ms in our measurements.
Refresh rate determines motion smoothness. 60Hz is standard and works for most content. 120Hz and 144Hz panels are essential for high-frame-rate gaming and provide smoother scrolling in desktop applications. HDMI 2.1 bandwidth is required for 4K at 120Hz. The LG C5 and Samsung S90F both include four HDMI 2.1 ports.
Connectivity: cables and adapters needed
Most TVs use HDMI as the primary PC connection. HDMI 2.1 supports 4K at 120Hz with full 48Gbps bandwidth. For a desktop PC with an NVIDIA or AMD graphics card, an HDMI 2.1 cable is essential. Older HDMI 2.0 cables cap at 4K 60Hz.
DisplayPort is not directly supported on most TVs. If your laptop only has DisplayPort output, you’ll need an active DisplayPort-to-HDMI adapter. USB-C connections vary: some TVs support USB-C input with power delivery (like the Samsung M70B), while others require a USB-C-to-HDMI adapter. Check the TV’s port specifications before buying.
Burn-in mitigation for OLED users
OLED burn-in is real but manageable. Modern OLED panels include pixel shift, logo luminance detection, and panel refresh cycles that reduce retention risk. We recommend auto-hiding the Windows taskbar, using a black desktop background, and enabling a screen saver that activates within 5-10 minutes of inactivity.
For users who run the same application 8+ hours a day (trading, video editing, programming), consider a QLED or LED alternative. The Samsung Q7F and U8000H deliver excellent picture quality without burn-in concerns. For mixed use, OLED remains the best choice with proper precautions.
Frequently Asked Questions
Is it good to use a TV as a computer monitor?
Yes, using a TV as a computer monitor works well for productivity, media consumption, and casual gaming. The best TV to use as monitor delivers a larger screen at a lower cost per inch than a traditional monitor. The main trade-offs are text clarity (require 4:4:4 chroma support), input lag (look for Game Mode), and ergonomics (42-43 inches is the desk-friendly sweet spot). For most users, a 4K TV with HDMI 2.1 and proper PC picture mode settings provides an excellent PC monitor experience.
What is the best TV to use as a monitor in 2026?
The best TV to use as a monitor in 2026 is the LG C5 OLED 42-inch. It combines a compact 42-inch OLED panel with 144Hz refresh rate, four HDMI 2.1 ports, full 4:4:4 chroma support, and 0.1ms response time. The OLED picture quality with perfect blacks and infinite contrast makes it ideal for both productivity and gaming. For budget-focused buyers, the Samsung Q7F QLED and INSIGNIA F50 deliver strong value at lower price points.
Are TVs as good as dedicated monitors?
Modern TVs can match or exceed dedicated monitors for many use cases. OLED TVs now offer 0.1ms response times that beat most gaming monitors, and 4K TVs at 42-43 inches provide comparable pixel density to 27-inch 4K monitors. The main areas where dedicated monitors still win are ergonomic stands, USB-C connectivity with power delivery, and DisplayPort inputs. For productivity and casual gaming, a TV used as a monitor delivers excellent results.
Is it bad for your eyes to use a TV as a computer monitor?
Using a TV as a computer monitor is not inherently bad for your eyes, but the larger screen size requires attention to viewing distance and brightness. Sit at least 24-30 inches from a 42-43 inch TV to avoid eye strain. Lower the backlight to a comfortable level for ambient lighting, enable blue light filtering in the evening, and take regular breaks using the 20-20-20 rule. With proper setup, a TV can be as comfortable as a traditional monitor.
Is it okay to use a 55-inch TV as a monitor?
A 55-inch TV can work as a monitor if you have a deep desk (36+ inches) and sit far enough back to see the full screen. Most users find 55 inches overwhelming at typical desk distances, causing eye fatigue from constant scanning. The lower pixel density (around 80 PPI) also makes text less sharp compared to a 42-43 inch TV at 4K. For couch PC gaming or media-focused setups, 55 inches is a good choice. For desk-based productivity, 42-43 inches is the better option.
Final Verdict: Which TV Should You Buy as a Monitor?
After testing all eight TVs over three months, the LG C5 OLED 42-inch remains our top pick for the best TV to use as monitor. It delivers the best combination of OLED picture quality, 144Hz gaming performance, and 4:4:4 chroma text clarity in a desk-friendly 42-inch size. The four HDMI 2.1 ports and G-Sync certification make it a complete solution for work and play.
If the LG C5 stretches your budget, the Samsung Q7F QLED offers the best mid-tier value with Quantum Dot colors and AI upscaling at roughly half the price. For budget-focused buyers, the INSIGNIA F50 provides a genuine 4K 43-inch panel with Fire TV built-in, making it the most affordable entry point for TV-as-monitor setups.
For laptop users who want USB-C single-cable connectivity, the Samsung M70B Smart Monitor is the most versatile hybrid option. And for users who need the absolute best HDR brightness, the Samsung S90F OLED delivers Samsung’s brightest OLED panel in the same 42-inch form factor as the LG C5.
Whichever TV you choose, remember to enable the PC picture mode for proper 4:4:4 chroma, use an HDMI 2.1 cable for 4K 60Hz or higher, and position the screen at eye level for comfortable long sessions. The right TV can transform your workspace, and any of these eight options will serve you well in 2026 and beyond.