Best HDMI 2.1 4K Monitors of 2026

Mike Davis Avatar
Mike Davis
Last Updated: Jan 31, 2026

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HDMI 2.1 4K monitors are the latest generation of displays that offer unparalleled visual quality and performance. These monitors come equipped with HDMI 2.1 technology, which enables them to support 4K video at higher frame rates and increased color depth. This means that users can enjoy smoother gameplay, clearer images, and more vibrant colors than ever before. Additionally, HDMI 2.1 4K monitors feature a range of advanced features, including variable refresh rate (VRR), auto low latency mode (ALLM), and eARC, which enhance the overall viewing experience. Whether you're a gamer, content creator, or simply looking for a high-quality display, HDMI 2.1 4K monitors are an excellent choice.

At a Glance: Our Top Picks

LG 27GX704A-B UltraGear 27" OLED Gaming Monitor Cover #TOP 1
LG 27GX704A-B UltraGear 27" OLED Gaming Monitor
ftb score rating icon 9.9
LG 27" UltraGear Gaming Monitor Cover #TOP 2
LG 27" UltraGear Gaming Monitor
ftb score rating icon 9.8
LG Ultragear 45GX900A-B 45" OLED Gaming Monitor Cover #TOP 3
LG Ultragear 45GX900A-B 45" OLED Gaming Monitor
ftb score rating icon 9.6

Top 10 HDMI 2.1 4K Monitors

LG 27GX704A-B UltraGear 27" OLED Gaming Monitor

LG
27GX704A-B.AUS
Black
27 inches
LG 27GX704A-B UltraGear 27" OLED Gaming Monitor Cover
LG 27GX704A-B 27-inch Ultragear QHD (2650x1440) OLED Gaming Monitor 240Hz, 0.03ms, NVIDIA G-Sync Compatible, AMD FreeSync Premium Pro, VESA Display HDR TrueBlack400, HDMI 2.1, DisplayPort, Black

The LG UltraGear OLED Monitor offers a stunning 27-inch QHD OLED display with an ultra-fast 240Hz refresh rate and an incredibly quick 0.03ms response time, letting you react instantly and enjoy smooth, tear-free gaming. Its OLED screen delivers bright, vivid colors with up to 1300 nits of peak brightness, so every scene looks vibrant and clear, even in dark or bright settings. The monitor’s VESA DisplayHDR True Black 400 ensures deep blacks and striking highlights, helping you spot details in shadows or bright areas. Plus, with UL certifications for anti-glare, flicker-free, and low blue light, this monitor keeps your eyes comfortable during long gaming sessions, reducing strain and distractions.

What We Like
Ultra-fast 240Hz refresh rate
Bright OLED display with vivid colors
Deep blacks with HDR True Black 400
Eye comfort certifications

LG 27" UltraGear Gaming Monitor

LG
27GR83Q-B
Black
LG 27" UltraGear Gaming Monitor Cover
LG 27GR83Q-B 27-inch UltraGear QHD (2560x1440) IPS Gaming Monitor, 240Hz, 1ms, DisplayHDR 400, G-Sync AMD FreeSync Premium, HDMI 2.1 DisplayPort, 4-Pole HP Out DTS GP:X, Tilt/Height/Pivot Stand, Black

The LG UltraGear Monitor offers an impressive QHD resolution at a rapid 240Hz refresh rate, ensuring smooth gameplay and vibrant graphics. With a lightning-fast 1ms response time, you can enjoy quick, responsive visuals that enhance your gaming experience. It is compatible with NVIDIA's G-SYNC technology, effectively reducing screen tearing and stuttering for seamless action. Additionally, AMD FreeSync Premium provides a tear-free experience, allowing you to fully immerse yourself in every moment without distractions. These features combined create a gaming monitor that helps you perform at your best.

What We Like
High refresh rate
Fast response time
G-SYNC compatibility
FreeSync Premium support
#TOP 3

LG Ultragear 45GX900A-B 45" OLED Gaming Monitor

LG
45GX900A-B.AUS
Black
45 inches
LG Ultragear 45GX900A-B 45" OLED Gaming Monitor Cover
LG 45GX900A-B 45-Inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor, 240Hz, 0.03ms, NVIDIA G-Sync, VESA DisplayHDR True Black 400, HDMI 2.1, DisplayPort, USB Type-C PD 65W, Black

The LG Ultragear OLED Monitor offers an immersive gaming experience with its large 45-inch curved OLED screen featuring a steep 800R curve, which pulls you deeper into the game with vivid visuals. Its ultra-fast 240Hz refresh rate and incredibly low 0.03ms response time help you react quickly and enjoy smooth gameplay without lag or ghosting. With AMD FreeSync Premium Pro and NVIDIA G-SYNC compatibility, you get tear-free and stutter-free graphics, making your gaming visuals flawless. Plus, the OLED technology delivers bright pictures, deep blacks, and brilliant colors, so every detail in your game looks stunning and realistic.

What We Like
High refresh rate and response time
FreeSync and G-SYNC support
Vivid OLED display quality
Large 45" curved screen
#TOP 4

ASUS ROG Swift PG27UCDM 27" 4K QD-OLED Monitor

PG27UCDM
BLACK
ASUS ROG Swift PG27UCDM 27" 4K QD-OLED Monitor Cover
ASUS ROG Swift 27” 4K QD-OLED Gaming Monitor (PG27UCDM) - 240Hz, 0.03ms, Custom Heatsink, Neo Proximity Sensor, G-SYNC Compatible, 99% DCI-P3, True 10-bit color, DisplayPort 2.1a UHBR20, 3 yr warranty

The ASUS ROG Swift 4K OLED is a top-tier gaming monitor designed for smooth and stunning visuals. Its 26.5-inch 4K QD-OLED screen offers incredibly sharp images and clear text, making every detail pop. With a super-fast 240Hz refresh rate and an ultra-low 0.03ms response time, you’ll enjoy fluid gameplay with minimal blur. The latest OLED technology also provides longer screen life, so your monitor stays vibrant longer. Plus, the OLED Anti-Flicker 2.0 feature reduces eye strain by cutting flicker by 20%, making long gaming or work sessions more comfortable. The Neo Proximity Sensor smartly detects when you step away, turning the screen black to protect it from burn-in damage.

What We Like
High 240Hz refresh rate
Ultra-fast 0.03ms response
Long-lasting 4th-gen QD-OLED
Reduced flicker for comfort
Smart burn-in protection
#TOP 5

CRUA 49" Curved Ultra-Wide Gaming Monitor

CR490QB
Black
49 inch
CRUA 49" Curved Ultra-Wide Gaming Monitor Cover
CRUA 49" Curved Gaming Monitor | DQHD(5120 * 1440), 144Hz/165Hz, 1500R, 32:9, AMD FreeSync, 120% sRGB, Height Adjustable Ultra-Wide Screen Monitors, HDMI 2.1 & DP 1.4, Wall Mount Install- Black

The CRUA 49" Curved Gaming monitor offers an expansive 49-inch curved screen with a sharp 5120×1440 resolution, perfect for immersive gaming, multitasking, and watching movies. Its fast 144Hz/165Hz refresh rate combined with AMD FreeSync technology ensures smooth gameplay without screen tearing or stuttering, enhancing your gaming experience. The monitor boasts 120% sRGB color accuracy and a bright display with a strong contrast ratio, making it ideal for graphic design and content creation. Plus, the adjustable stand lets you customize the height and tilt for comfortable use, while HDMI 2.1 and DisplayPort 1.4 support a variety of devices, giving you flexible setup options.

What We Like
Ultra-wide 49" curved screen
High 144Hz/165Hz refresh rate
120% sRGB color accuracy
Adjustable ergonomic stand
HDMI 2.1 and DP 1.4 ports

Samsung 57" Odyssey Neo G9 Gaming Monitor

FBASAMLS57CG952
Black & White
57-inch
Samsung 57" Odyssey Neo G9 Gaming Monitor Cover
SAMSUNG 57" Odyssey Neo G9 (G95NC) Series Dual 4K UHD 1000R Curved Gaming Monitor, 240Hz, 1ms with DisplayPort 2.1, Quantum Mini-LED, DisplayHDR 1000, AMD FreeSync Premium Pro, LS57CG952NNXZA

The Samsung Odyssey Neo G9 Monitor, with its 57" DUHD resolution, offers incredibly detailed images and a wide field of view, ensuring you won't miss any action. The 240Hz refresh rate reduces lag, while the 1ms response time minimizes ghosting for precise gaming. AMD FreeSync Premium Pro technology ensures smooth gameplay, enhancing your competitive edge. Additionally, the Quantum Matrix Technology with Quantum Mini LEDs provides improved contrast and brightness, giving you unmatched picture quality.

What We Like
57" DUHD Resolution
240Hz Refresh Rate
AMD FreeSync Premium Pro
Quantum Matrix Technology
#TOP 7

LG UltraFine evo 32-inch 6K Monitor

LG
32U990A-S.AUS
Silver
LG UltraFine evo 32-inch 6K Monitor Cover
LG 32U990A-S 32-Inch Ultrafine 6K (6144 x 3456) Nano IPS Black Thunderbolt 5 Professional Monitor, 60Hz, DisplayHDR 600, Speakers, HDMI 2.1, DisplayPort 2.1, USB-C, Tilt/Height/Pivot Stand, Silver

The LG UltraFine evo 6K is designed for creative professionals who need top-tier display quality. Its 6K resolution with an ultra-high pixel density means you get incredibly sharp and detailed images, helping you see every detail clearly while working on videos, photos, or designs. Thanks to Thunderbolt 5 technology, you enjoy super-fast data transfer speeds and easy connection to multiple devices with just one cable, making your workflow smoother and more efficient. Plus, this monitor works seamlessly with both Mac and Windows systems, ensuring compatibility no matter what tools you use. Overall, it’s a powerful display made to boost your productivity and creativity.

What We Like
6K high-resolution display
Thunderbolt 5 fast connectivity
Mac and Windows compatible
Ultra-high pixel density

LG Ultragear 27G810A-B 27" 4K Gaming Monitor

LG
27G810A-B.AUS
Black
LG Ultragear 27G810A-B 27" 4K Gaming Monitor Cover
LG 27G810A-B 27-inch Ultragear 4K UHD (3840 x 2160) IPS Gaming Monitor, Dual Mode UHD 180Hz or FHD 360Hz, 1ms, NVIDIA G-Sync, AMD FreeSync Premium, VESA DisplayHDR 400, HDMI 2.1, Black

The LG Ultragear 27 4K Monitor offers a great blend of sharp visuals and fast performance. Its 27-inch 4K UHD display provides crystal-clear images, perfect for immersive gaming or detailed work. You can switch between two modes—4K at 180Hz for smooth, detailed visuals or Full HD at 360Hz for ultra-fast gameplay, giving you flexibility based on your gaming style. The quick 1ms response time ensures that fast movements appear clear, reducing blur and helping you react faster. This monitor makes it easy to enjoy both stunning graphics and competitive speed, enhancing your overall gaming experience.

What We Like
4K UHD clarity
Dual refresh rate modes
1ms fast response time
27-inch IPS display

MSI MPG 321URX QD-OLED Monitor

msi
MPG 321URX QD-OLED
Black
MSI MPG 321URX QD-OLED Monitor Cover
msi MPG 321URX QD-OLED, 32" 4K UHD Quantum Dot OLED Gaming Monitor, 3840 x 2160, 0.03ms, 240Hz, True Black HDR 400, 90W USB Type C, HDMI, DP Port

The MSI QD-OLED Monitor offers an impressive 31.5-inch UHD display with a resolution of 3840 x 2160. With a remarkable refresh rate of 240Hz and an ultra-fast 0.03ms response time, you can enjoy smooth and responsive gaming experiences. It supports over a billion colors, providing stunning visuals with excellent color accuracy, making your games and media come to life. Additionally, it’s VESA DisplayHDR True Black 400 certified, ensuring deep blacks and vibrant highlights for a more immersive viewing experience.

What We Like
High refresh rate
Ultra-fast response time
Vivid color accuracy
Deep black levels

INNOCN 49C1S 49" Curved Ultrawide Monitor

49C1S
Black
49 Inch
INNOCN 49C1S 49" Curved Ultrawide Monitor Cover
INNOCN 49" 240Hz Curved Monitor Ultrawide Gaming QHD 5120 x 1440P Computer Monitor, R1800, 99% sRGB, HDR400, USB Type C, DisplayPort, HDMI, Built-in Speakers, Height/Tilt Adjustable - 49C1S

The INNOCN 49C1S Monitor offers a massive 49-inch curved ultrawide screen with a sharp 5120x1440 resolution and a fast 240Hz refresh rate, perfect for gaming and multitasking. Its adjustable tilt, swivel, and height settings help you find the most comfortable viewing angle. With multiple ports including USB Type-C, DisplayPort, and HDMI, you can easily connect laptops, gaming consoles, and other devices for seamless use. The monitor also features HDR400 and Adaptive-Sync technology, providing vibrant colors and smooth visuals that reduce eye strain and make your gaming or work sessions more enjoyable.

What We Like
Large curved ultrawide display
High 240Hz refresh rate
Multiple connectivity options
HDR400 and Adaptive-Sync support
Ergonomic adjustability
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Do I need HDMI 2.1 for a 4K monitor?

HDMI 2.1 is not necessary for a 4K monitor unless you want to use HDMI with a refresh rate higher than 60Hz. For PC users, DisplayPort 1.4 can provide the same performance and is widely available.

2. Can HDMI 2.1 do 4K 144Hz?

Yes, HDMI 2.1 can support 4K resolution at 144Hz. However, for refresh rates higher than 144Hz, you may need to use Display Stream Compression (DSC) or Chroma Subsampling.

3. Do you need a HDMI 2.1 monitor for PS5?

If you want to game on PS5 at up to 4K 120Hz, your gaming monitor needs to have HDMI 2.1. So, HDMI 2.1 is essential for PS5 gaming.

4. Does HDMI 2.1 really make a difference?

HDMI 2.1 offers higher resolutions, such as 8K, and higher frame rates of up to 120 frames per second (fps). This results in improved picture clarity, sharper details, and smoother motion.

5. Does HDMI 2.1 make 4K better?

HDMI 2.1 can carry 4K@120Hz video data, providing a more fluid and lifelike viewing experience. It enhances the visual quality with vivid motions, vibrant colors, and improved audio.

6. Does HDMI 2.1 give better picture quality?

HDMI 2.1 allows for higher resolutions, including 8K, and higher frame rates of up to 120 fps. This results in improved picture resolution and high frame rates, enhancing the overall picture quality.

7. Is HDMI 2.1 mandatory for 4K at 120fps?

No, HDMI 2.1 is not mandatory for 4K at 120fps. HDMI 2.0 can also support 120fps, but at either 1080p or 1440p. HDMI 2.1 enables 120fps at 4K or 8K at 60fps.

8. What is the max frame rate for HDMI 2.1 4K?

HDMI 2.1 supports 4K resolution up to 120fps. For 8K resolution, it can handle up to 60Hz.

Editor's Notes

During our hdmi 2.1 4k monitor research, we found 24 hdmi 2.1 4k monitor products and shortlisted 10 quality products. We collected and analyzed 49,369 customer reviews through our big data system to write the hdmi 2.1 4k monitors list. We found that most customers choose hdmi 2.1 4k monitors with an average price of $613.39.

The hdmi 2.1 4k monitors are available for purchase. We have researched hundreds of brands and picked the top brands of hdmi 2.1 4k monitors, including LG, ASUS, CRUA, Samsung, msi. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Mike Davis Avatar

Mike Davis is a professionally trained electrician with six years of working experience in the electronics industry. He has written an array of web and mobile-based articles for e-magazines and blogs. He loves trying out some novel and popular gadgets and his expertise is in the areas of electronics and computers which is built over many years of working and personal experiences.