The Best 4k monitor 40 inch of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 4k monitor 40 inch of 2022. Check our ranking below.

2,819 Reviews Scanned

SaleRank No. #1

Samsung 43-Inch M7 (M70D) Series 4K UHD Smart Monitor, Speakers, HDR10, USB-C, Multiple Ports, Gaming Hub, SolarCell Remote, Vision Accessibility Tools, LS43DM702UNXGO, Black

INSTANT ACCESS TO OTT CONTENT: Stream OTT content directly from monitor or tune into Samsung TV Plus¹ to get live TV channels and on-demand content at zero cost
1 MOUSE & KEYBOARD ACROSS DEVICES: Maximize multitasking by controlling multiple devices with one mouse and keyboard; Seamlessly drag & drop content across the Smart Monitor, a Galaxy Tab & Galaxy mobile device, streamlining your workflow²
ENJOY CONTENTS IN VIVID DETAIL: Crystal clear video; 4K UHD resolution brings your content to life with vivid clarity; Lose yourself while exploring nuanced settings with incredible detail³
CONNECT w/ CONVENIENCE: With USB-C, HDMI & USB-A ports, you can connect to the Smart Monitor without adapters; Charge devices, transmit data & make the most out of your multiscreen setup - or do all at once - thanks to the 4 available ports
WHERE GAMING COMES TOGETHER: Samsung Gaming Hub is the ultimate home for gaming; Instantly play the biggest games from top streaming partners, with no PC or console needed; Discover new games or replay old favorites all in one place⁴

SaleRank No. #2

Samsung 37" ViewFinity S7 (S70D) 4K UHD HDR10 High Resolution Monitor, DP Port, TUV-Certified, 2025, LS37D700EANXZA

DISCOVER THE DEEPER DETAILS: Visual excellence that professionals demand.¹ UHD (3840x2160) resolution reveals greater levels of detail with higher pixel density. Professionals can dive into greater color detail and more screen space
ENHANCED REALISM THROUGH MORE COLOR: See a wider gamut of colors for stunning accuracy and detail. HDR10 provides near-limitless hues and true-to-life color representation, with darker darks and brighter brights
CONNECT MORE DEVICES: Featuring HDMI and DP, connecting your peripherals is as straightforward as it gets. This amazing convenience doesn’t just simplify your setup but also enhances your productivity by ensuring a seamless workflow
EFFORTLESS AND INSTANT SETUP: The Easy Setup Stand effortlessly creates an ideal workspace without any tools or screws. When it’s time to change things up, simply push a button and enjoy flexible convenience
RELIEVE YOUR EYES FROM STRAIN: Keep your eyes fresh with less screen strain. For those late-night projects, brightness and color temperature automatically optimize for your environment. TÜV-certified for intelligent eye care

SaleRank No. #3

SAMSUNG 43" Odyssey Neo G7 Series 4K UHD Smart Gaming Monitor, 144Hz, 1ms, VESA Display HDR600, Quantum Matrix Technology, AMD FreeSync Premium Pro, LS43CG702NNXZA, Black

QUANTUM MATRIX TECHNOLOGY: Quantum Matrix Technology w/ Quantum Mini LEDs create controlled brightness and impressive contrast for games to come to life; Plus, advanced 12-bit back light unit allows detailed HDR control for unmatched picture quality*.Power Supply Type : AC100-240V 50/60Hz. Power Cable Length : 1.5 m
VESA DISPLAY HDR600: Experience a new level of multi-entertainment with life-like visuals; With 1,000,000:1 contrast ratio and VESA Display HDR600, both videos and games deliver abundant, deeper blacks and greater color detail*Sync Premium Pro
SMART TV EXPERIENCE: Enjoy your favorite shows and movies through the Smart TV apps; Take a break from marathon gaming sessions and catch up on must-see streaming content with just a simple Wi-Fi connection**
SAMSUNG GAMING HUB: The best of gaming all in one place; Samsung Gaming Hub allows instant access to top cloud gaming services and your favorite consoles; Smooth visuals and responsive gameplay are powered by advanced game streaming technology***
4K GAMING REFRESH RATES: 144Hz refresh rate eliminates lag for gameplay with ultra-smooth action; Identify enemies with elite precision with a 1ms(MPRT) response time , precise mouse movements, and blur-free frames with minimized ghosting*

SaleRank No. #4

Dell 32 Plus 4K Monitor - S3225QS - 31.5-inch 4K (3840 x 2160) up to 120Hz 16:9 Display, VA Panel, AMD FreeSync Premium, 99% sRGB, 95% DCI-P3, 1500:1 Contrast Ratio, Comfortview Plus - Ash White

Improved ComfortView Plus: Reduces harmful blue light emissions to ≤35%, for all-day comfort without sacrificing color accuracy.
Refresh rate: A smooth, tear-free experience with AMD FreeSync Premium (refresh rate up to 120Hz) and an ultra-low 0.03ms response time create a captivating experience for work and play.
Vivid colors: Immerse yourself in 4K visuals with a VA panel. Enjoy true-to-life colors with 99% sRGB and 95% DCI-P3 coverage. The 1500:1 contrast ratio and HDR readiness deliver excellent depth and detail.
Re-engineered sound quality: Enjoy more detailed sound with spacious audio featuring greater output power, deeper frequency response and more decibel range than the previous generation.
Ultra-thin bezel: Designed with a sleek, modern aesthetic and an ash white finish, this display features ultra-thin bezels for a refined, minimalist design.

SaleRank No. #5

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

WATCH, PLAY, LIVE IN STYLE: Everything you need is right in your screen - all without connecting a separate PC - with the Smart Monitor; Your favorite content, productivity and video call apps are built in for a simpler and more stylish desktop setup*.Mounting Type:Wall Mount (Size mm) 100 x 100.Aspect Ratio 16:9.Image Aspect ratio:16:9.Power Supply : AC 100-240V. Operation Conditions - Temperature : 10-40 ℃.
SMART TV EXPERIENCE: Effortless entertainment with a simple WiFi connection; Enjoy your favorite streaming apps in real 4K HDR, often difficult to experience on a PC environment; Samsung TV Plus offers free live content with no downloads or sign-ups, and personalized content recommendations from Universal Guide**
PC-LESS PRODUCTIVITY: Browse the web, edit documents and work on projects, all without the need for a separate PC; With new Workmode, you can also remotely access another PC, use Microsoft 365 programs and even connect to Samsung mobile devices with Samsung DeX for seamless working***
SLIMFIT CAMERA: The SlimFit camera with tilt functionality allows you to create the perfect angle while using your favorite video call apps like Google Duo, which can be accessed directly through the monitor; Plus, the camera cover and option to fully detach always protect your privacy****
IoT HUB: Turn your Smart Monitor into a control center for the home by connecting it to your IoT home products with SmartThings; Turn off lights, pull down blinds and set the thermostat to the perfect temperature all with the Smart Monitor for a perfectly relaxed evening*****

SaleRank No. #6

Dell UltraSharp U4025QW 40" Class 5K2K WUHD Curved Screen LED Monitor - 21:9

LED Monitor offers maximum productivity with added dependability
USB Type-C allows powerful and efficient transfer of data with maximum productivity
39.7" viewable screen size provides a lively viewing experience
5 ms response time makes it excellent for latest action films, sports or gaming
View your content easily in well lit areas with 600 Nit brightness

SaleRank No. #7

MSI MAG401QR, 40" Gaming Monitor, 3440 x 1440(UWQHD), IPS, 155Hz, FreeSync Premium, HDR400, HDMI, Displayport, USB C, Tilt,Black

40" (3440 x 1440 UWQHD)
155 Hz Refresh Rate
FreeSync Premium
1ms response time
IPS

Rank No. #8

INNOCN 40C1R Ultrawide Monitor 40" WQHD 3440 x 1440p 144Hz FreeSync Premium HDR400 21:9 Computer Display 95% DCI-P3 500Nits IPS USB Type-C HDMI Tilt/Height Adjustable, Mountable

【21:9 Ultrawide Computer Gaming Monitor - 40"】 Premium ADS panel delivers high resolution 1440p 144hz monitor for gaming, 21:9 ratio bring more wide visual than normal 16:9, +18% viewable area than 34 inch gaming monitor, capture game details more clearly for quick response. 144Hz(DP), 100Hz(HDMI). Tilt / Swivel / Height Adjustable meet different viewing visions
【AMD FreeSync Premium & HDR 400 & & 500Nits Brightness】 INNOCN 40C1R computer monitor adopt high dynamic range (HDR) technology with professional color gamut (95% DCI-P3) delivers high contrast 1200:1 and color performance that meets the Display HDR 400 and AMD FreeSync, bring smooth images and video viewing experience
【USB Type C, DP and HDMI Ports】40C1R delivers powerful USB C connectivity and have richful interfaces: 1 x DP, 1 x USB C, 2 x HDMI, 1 x 3.5MM Audio Jack, you can directly connect your USB C devices such as laptop, Mac, Phones, Tablets, Gaming Console( like Switch, PS5/4/3, XBOX Series etc) . It's much more convenient. Coming with US Power Adapter
【ΔE <2 Color Calibration & TUV Authentication & Blue Light Reduction】Each INNOCN monitor coming with color calibration report, the ΔE <2, deeply restore the true nature colors. Low blue light technoilogy ensure the comfot when long time watching or playing, INNOCN monitors are TÜV Rheinland certified.
【Split Screen for productivity】 Equipped PBP/PIP technology which can enhance the productivity for multi-tasking such as data analysis, photo / video editing etc, you will not go wrong with any details, produce more fun and innovative things with INNOCN monitor.

SaleRank No. #9

LG 32GX870A-B 32-inch Ultragear 4K UHD (3840 x 2160) OLED Gaming Monitor, Dual-Mode, 240Hz, 0.03ms, NVIDIA, AMD FreeSync Premium Pro, VESA DisplayHDR True Black 400, USB Type-C, DP2.1, Black

Dual Mode: 4K UHD 240Hz or Full HD 480Hz - LG UltraGear OLED is a VESA Certified Dual Mode gaming monitor. This innovation allows gamers to experience graphically rich, story-driven games in 4K/UHD at up to 240Hz or switch to Full HD at up to 480Hz for fast-paced FPS, MOBA or racing games via hotkey.
Leave Lag Behind with 0.03ms Response Time - Enjoy smoother scenes with less lag or ghosting thanks to LG UltraGear OLED's nearly instantaneous 0.03ms (GtG) response time.
NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro - Officially validated by NVIDIA as G-SYNC Compatible and equipped with AMD FreeSync Premium Pro means this UltraGear provides smooth, fast action that reduces screen tearing and stutter. Never miss a frame of the action as you clinch your victories.
Bright OLED Gaming - This UltraGear features Micro Lens Array+ technology. So with a typical brightness of 275 nits and a peak brightness of up to 1300 nits, this monitor is UltraGear's brightest OLED gaming display.
VESA DisplayHDR True Black 400 & 1.5M:1 Contrast Ratio - VESA DisplayHDR True Black 400 certified means this monitor meets industry standards for brightness as well as deep, rich black color expression. With a 1.5M:1 contrast ration, the benefit for gaming impeccable color and image detail in dark scenes for a stunning visual experience.

SaleRank No. #10

SAMSUNG 34" ViewFinity S50GC Series Ultra-WQHD Monitor, 100Hz, 5ms, HDR10, AMD FreeSync, Eye Care, Borderless Design, PIP, PBP, LS34C502GANXZA, 2023, Black

DO MORE ON ONE SCREEN: See every detail on the wider display featuring a 21:9 aspect ratio; Ultra WQHD provides the simplest way to maximize screen real estate and experience truly seamless multitasking on just one screen.Brightness (Typical) : 300 cd/㎡. Static Contrast Ratio 3000:1.
ENJOY A BILLION COLORS W/ INCREDIBLE DEPTH: With HDR10 that displays over 1 billion colors compared to 16.7 million for typical SDR technology, dark colors are darker and the brightest are even brighter; Content is experienced as the creator intended
CARE FOR YOUR EYES DAY and NIGHT: An ambient light sensor on the monitor detects lighting in your workstation and automatically adjusts brightness; Eye Saver Mode minimizes excessive blue light, and Flicker Free relieves eye strain
SEE CONTENT SMOOTHER, EVEN GAMING: A faster than average refresh rate updates the image on screen more often every second; 100Hz refresh rate reduces lag and motion blur when playing games, watching videos, or working on design projects
STAY IN SYNC WITH THE ACTION: AMD Radeon FreeSync keeps the refresh rate of your monitor and graphics card in sync to reduce image tearing for a superfluid entertainment experience; Watch movies and play games without interruptions

Last update on 2025-08-05 / Affiliate links / Images from Amazon Product Advertising API

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Is it worth buying an 4k monitor 40 inch?
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We provide an 4k monitor 40 inch buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4k monitor 40 inch currently available on the market.

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Brand Value: Every brand of 4k monitor 40 inch has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 4k monitor 40 inch?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 4k monitor 40 inch.
Customer Ratings: Number ratings grade 4k monitor 40 inch objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4k monitor 40 inch.
Product Quality: You don’t always get what you pay for with an 4k monitor 40 inch, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 4k monitor 40 inch is should be an indication of how long it will work out for you.

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FAQ:

Q: What is the perfect size for a 4K monitor?

A: Overall, we recommend the following monitor size/resolution combinations for gaming: 23-inch to 25-inch: 1080p 27-inch: 1440p or 4K 28-inch to 32-inch and over: 4K 25-inch to 29-inch ultrawide: 2560×1080 34-inch ultrawide: 3440×1440 38-inch ultrawide: 3840×1600 43-inch super-ultrawide: 3840×1080, 3840×1200 49-inch super-ultrawide: 5120×1440

Q: What is the biggest 4K monitor?

A: The BDM4037UW is Philips’ latest, and the company is calling it the “largest 4K curved monitor on the market.” Specifically, it’s a 40-inch curved monitor with 4K Ultra HD (3840 x 2160) resolution, using a vertical alignment LCD panel with W- LED backlighting .

Q: What are the dimensions of a 4K TV?

A: 4K Ultra HD has 4x the pixels of a standard 1080p HD TV. A 1080p HD TV has a resolution of 1920px Wide x 1080px High (2,073,600 pixels) while a 4K Ultra HD TV has a resolution of 3840px Wide x 2160px High (8,294,400 pixels).

Q: What are the dimensions of 4K resolution?

A: 4K resolution, also called 4K, refers to a horizontal resolution on the order of 4,000 pixels and vertical resolution on the order of 2,000 pixels. Several 4K resolutions exist in the fields of digital television and digital cinematography.