The best 4K gaming monitor recommendation [2021]

There are many styles of 4K gaming monitors, with different sizes and prices. Choosing the best 4K gaming monitor is significant for gaming enthusiasts. From the panel type, aspect ratio, size, curved screen of the gaming monitor, Faced with the screen, adaptive synchronization, refresh rate, response time, color accuracy and color gamut, rotation, and adjustable brackets, and many other considerations, today I will carefully select the six best 4K gaming monitors in North America and recommend them for your reference:

Best 4K Gaming Monitors in 2021

1. Samsung 49 Inch CRG9 Curved Best gaming monitors


  • The 49-inch ultra-wide dual QHD curved gaming monitor is equivalent to side-by-side dual 27-inch QHD monitors, providing a more spacious picture.
  • The 120 Hz refresh rate using AMD FreeSync 2 technology can achieve clear HDR content display, reduced input delay, and low frame rate compensation.
  • HDR 1000 supports a peak brightness level of 1,000 nits. With Samsung QLED technology, colors can be brighter and more realistic.
  • The super ultra-wide 49-inch monitor improves work efficiency with split-screen functions such as picture-by-picture (PBP), allowing you to connect two devices while maintaining their original quality.
  • Through the flicker-free and eye protector mode, eye fatigue can be relieved, and blue light emission that causes fatigue can be reduced.
  • Multiple devices can be connected, such as laptops, PCs, desktop computers, Macs, and Macbook Pro; compatible with Xbox and PS4.
  • It is optimized for almost all game types, including FPS, RTS, RPG, etc.

CRG9 looks almost like its predecessor, with an ultra-wide aspect ratio of 32:9 and a diagonal size of 49 inches. The top and side baffles use a “frameless” design, meaning there are still black baffles on the panel itself, but there are very thin plastic baffles around the edges. Best gaming monitors The bottom bezel is thicker, with the Samsung logo and some buttons for adjusting the monitor settings. This monitor is large and heavy, and because of its size and shape, fixing the stand is a bit disturbing, but once it is placed on the table, it is a beauty.

Improving  Resolution: Best gaming monitors

The VA panel is still the most impressive part of this display. It has a crazy 5120×1440 resolution, 120hz refresh rate, and Samsung’s Quantum Dot technology for excellent colors. Please note that the 120Hz frequency is a bit slower than last year’s 144Hz CHG90, but this is a question worth weighing for improving the resolution. This monitor is also equipped with HDR 1000 and is much better than most HDR monitors (up to 400 nits) and FreeSync 2, so you can play games without tearing the screen.

2. Alienware NEW Curved 34 Inch Monitor


  • Combined with immersive functions, you can enjoy the magnificent scenery
  • 1900R curved widescreen 21:9 display can maximize the field of view and provide a uniform viewing experience
  • Using WQHD (3440×1440) resolution, the image is clear and delicate, providing an immersive experience
  • NVIDIA G-SYNC’s 120Hz refresh rate provides a smooth gaming experience and realism
  • G-sync technology can synchronize the GPU and the display and only display the full-frame when the display can display the full-frame. This minimizes the distortion of graphics formed on the screen (such as tearing and artifacts)
  • The 120Hz refresh rate is important to gamers. It allows them to see the game faster and react to fast events faster
  • Alienware 34 curved gaming monitor uses IPS Nano color technology, surpassing the sRGB color spectrum, and conforms to the DCI-P3 standard for film professionals

The wide 1900R curved display screen can make you completely immersed in the game, allowing you to understand the game more deeply, and the 21:9 aspect ratio makes every vantage point have an epic effect. The curved screen maximizes your field of view and reduces eye movement so that you can focus on the game comfortably for a long time.

 The 3440 X 1440 WQHD resolution display can provide 4.9 million pixels of transparent and clear graphics, which is 1.79 times more detailed than the WFHD display. Therefore, you will see every blade of grass, every piece of steel, and every drop of sweat more vividly than ever before.

Its fast Nano Color IPS technology can achieve an accurate 2ms response time. Instead of affecting the brightness, it will adaptively synchronize. Whether it is a frontal game or an oblique game, you can see all actions with the help of IPS (plane exchange) technology. It has a DCI-P3 color coverage rate of up to 98%, allowing you to see more colors.

3. Asus ROG Swift 34 Inch Curved G-Sync Gaming Monitor


  • 34-inch UWQHD (3440×1440) 1900R curved IPS panel, overclocking refresh rate up to 120 Hz, in line with ROG standards and design
  • Nvidia G SYNC technology uses NVIDIA G SYNC processor to eliminate screen tearing and jams to ensure a smooth gaming
  • Asus Aura Sync RGB lighting provides a nearly infinite color range and can synchronize effects in the ever-expanding ecosystem of Asus Aura Sync support products
  • Equipped with marathon-style game-level ergonomic design, such as tilt, rotation, and height adjustment functions
  • ASUS Eye Care technology uses TUV Rheinland certified flicker-free technology and blue light filter to minimize eye fatigue
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This 34-inch gaming monitor has a 3440 x 1440 ultra-wide QHD panel. With a pixel density of 109 pixels per inch (PPI). So you can enjoy watching more details when playing games or watching movies. Its ultra-wide 21:9 aspect ratio panel. Provides you with 35% more screen desktop space than ordinary WQHD monitors. So when you need to complete your work. Your various application windows have more space. ROG Swift PG349Q takes the fidelity to a level. And provides you with full-textured visual effects.

The curvature of its 1900R panel ensures that every point on display is equidistant from your eyes. Thus providing a comfortable viewing experience. Perfect for playing games or watching movies. With its amazing 120Hz overclocking refresh rate. How to compress a video Fast-moving visual effects are not a problem for ROG Swift PG349Q. There is no frustrating delay. Or motion blur so that you can prevail in the first-person shooting. Racing, real-time strategy, and sports competitions. Even at the highest visual settings. You will enjoy a very smooth and smooth gaming experience.

4. Acer Predator 43 Inch Gaming Monitor


Compatible with 43-inch 4K UHD (3840 x 2160) widescreen NVIDIA G-SYNC-lossless gaming display

Refresh rate 120Hz (overclocked to 144Hz)-use two display ports | Response time 1ms (VRB)

The VESA-certified display has high brightness and contrast 1000 | DCI-P3 90% wide color gamut | No color difference when Delta e <1

Light sensor | Proximity sensor | 2 speakers 10 watts each

Port 2 x display port 1 4 3 x HDMI V2 0 audio output 2 x USB 3 0 port and 2 x USB 2 0 port

Includes display stand power cord 2 x display port cable 1 x USB Type-C cable USB cable 4 x LED light bar and remote control

This monitor makes full use of all the latest revolutionary technologies in the iconic 43-inch screen to provide the best 4K gaming experience, and the effect is very significant. It can be obtained with a refresh rate of 144Hz and a visual response enhancement (VRB) of 1ms Super high-quality picture experience. The monitor has been tested and calibrated to achieve a low Delta E average value of less than 2 to reproduce realistic color accuracy.

It has a light sensor. By detecting ambient light in the environment, the CG7 can automatically adjust to achieve the most comfortable viewing experience. It can also detect whether there are people around and enter the power saving mode when needed. It will resume action immediately when you return, but it will enter a standby state if left alone, just like a PC.

5. Acer Predator X27 27 Inch IPS Monitor


27-inch UHD (3840 x 2160) widescreen IPS NVIDIA G-SYNC Ultimate-lossless game display

Refresh rate: 120Hz (overclocked to 144Hz)-using 4K resolution display port | Response time: 4ms at 4K resolution (GTG)

High brightness and contrast of DisplayHDR 1000 with VESA certification | 99% Adobe RGB color gamut

DCI-P3 color space | 10-bit color with quantum dot technology | No color difference when Delta E <1 | 384-zone dynamic control direct backlight

Ports: 1 DisplayPort v1.4, 1 HDMI v2.0, and 4 USB 3.0 ports (including HDMI, display port, and USB port)

This Predator X27 4K Ultra HD display will change your gaming experience. This 27-inch (3840 x 2160) monitor combines surprising advantages, including an IPS panel that supports a 144Hz refresh rate and the 4ms response time of the NVIDIA G-SYNC Ultimate monitor. It can release the game’s maximum potential, provide richer colors, and experience a better game pleasure.

6. LG 34GN850-B 34 Inch 1ms IPS Gaming Monitor
Best gaming monitors


34-inch ultra-wide QHD (3440 X 1440) nano IPS display

IPS 1ms response time-144Hz refresh rate

Compatible with NVIDIA G-SYNC

DCI-P3 98% color gamut and VESA display HDR 400

3-sided almost borderless design, adjustable tilt/height

With FreeSync Premium technology, gamers can experience seamless and smooth movement effects in high-resolution and fast-paced games.

The G 34GN850-B is an excellent display with a variety of uses. Although it is mainly used for games and performs well, it is still a good choice for work and watching dramas. Its 21:9 aspect ratio is very suitable for multitasking, and its excellent Adobe RGB color space coverage makes it very suitable for content creators.

7. BenQ EW3280U 32 Inch 4K Monitor
Best gaming monitors


Unbelievable 16:9 image quality, excellent whether you are playing games or watching movies

4K UHD 3840×2160 resolution and 95% DCI-P3 wide color gamut on IPS panel

With FreeSync and Super Resolution to improve video performance-144Hz refresh rate

Multi-function USB-C, HDMI, and DP (DisplayPort) ports allow you to connect peripherals to access content

It comes with remote control, which is very fast to use

This BenQ EW3280U 32-inch 4K monitor has ultra-high-definition resolution and an excellent sound system, with apparent bass. It has powerful HDR performance, and it can be controlled by remote control. Very suitable for entertainment, games, or photo editing.

Its outline frame is attractive and straightforward, with a matte black cabinet, bronze bottom frame, and base. The base is a rectangular ring. Best gaming monitors In addition to supporting the display, it can also be used to store remote controls and other small objects. Its port selection is moderate. It has two HDMI 2.0 ports. A DisplayPort input, a USB Type-C port. And an audio output jack.

Its USB-C port supports data transmission and video input. Through the DisplayPort over USB protocol. And up to 60 watts of power transmission. Best gaming monitors Even if the content from the laptop is displayed at the same time. The connection, is enough to charge the laptop quickly. Its absolute excellence lies in its excellent audio system, which can watch HDR movies and music videos.

What should I pay attention to when buying a gaming monitor?

Panel type

There are three popular types of typical game monitors. Each gaming monitor has its advantages and disadvantages, depending on your preference to choose the panel type.

IPS panel

IPS (In-Plane Switching) panels provide better colors and color ranges compared with other types of panels. However, it cannot match the ultra-fast response time and ultra-high refresh rate provided by the TN panel. In other words, it has an excellent viewing angle and can ensure color accuracy and consistency from almost any angle.

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TN panel

Although TN (twisted nematic) panels generally provide best-in-class responsiveness (high response time, refresh rate), some panels may find their color range and visual effects insufficient compared to VA and TN panels. Moreover, they have the worst viewing angles of any panel type and lack color consistency.

VA panel

The VA panel offers the best of both worlds-access to decent viewing angles, color consistency, color range, and refresh rate are all good. However, compared with other panel types, its response time is indeed relatively weak.

Each type of panel has its best use, depending on personal preference.

If you are looking for the best visual effects and color performance, you can choose an IPS display.

If you want to participate in competitive games and need the fastest response time and refresh rate, please choose a TN panel display.

You want the best of both worlds and are willing to compromise on response time, please buy a VA panel display.

2. Resolution: Best gaming monitors

Resolution is usually one of the most critical considerations in any monitor purchase. It specifies the maximum number of pixels (horizontal and vertical) that can be displayed on a given monitor. Therefore, higher resolution can improve overall visual fidelity and clarity, External gpu for laptop Best gaming monitors thereby enhancing a better gaming experience. However, because the number of pixels increases sharply as the resolution increases, the graphics capabilities required to drive the game also increase (a better graphics card is needed to drive it).

The following are common resolutions for gaming monitors:

  • 1920×1080-Full HD (FHD) / 1080p
  • 2560×1080 – Ultra-wide full HD
  • 2560×1440-Wide Quad HD (WQHD) / Quad HD (QHD) / 1440p
  • 3440×1440-Ultra-Wide Quad HD (UWQHD)
  • 3840×2160-Ultra High Definition (UHD) / 4K / 2160p

Although the 4K monitor seems to provide the best gaming experience, it requires a very high-end graphics card to drive it. Even then, you will encounter games that cannot even provide a stable 60FPS at 4k resolution.

3. Aspect ratio: widescreen and ultra-widescreen

In short, the aspect ratio is the ratio of the maximum number of horizontal pixels to the maximum number of vertical pixels. For example, the aspect ratio of a full HD resolution (that is, 1920×1080) is 16:9 (1920/1080 = 16/9), a commonly used standard widescreen aspect ratio.

However, if you want some extra screen space, an ultra-wide resolution is also a viable option. The aspect ratio of these displays is 21:9, Best gaming monitors which can provide you with more horizontal space than traditional widescreens. The extra screen space enhances the immersion of the game by enclosing your field of view around the game environment and making multitasking more effective.

4. Curved display and flat display: Best gaming monitors

As the name suggests, curved displays have curved panels. The curved display dramatically increases the screen space you can cover at a glance, and sometimes you can see the whole picture without even turning your head.

5. Adaptive synchronization function

Through adaptive synchronization, the display’s refresh rate can be dynamically adjusted to the frame rate of the game in real-time, thereby eliminating the problems of stuttering and tearing. There are two adaptive synchronization technologies: Best gaming monitors FreeSync and G-Sync. Although AMD graphics cards support FreeSync, Nvidia graphics cards require G-Sync compatible monitors. Because it profoundly impacts the gaming experience, support for adaptive synchronization technology is considered an indispensable feature for any gaming monitor worth seeing.

6. Refresh rate

The refresh rate of the display is the number of times the panel refreshes the image per second. Therefore, a refresh rate of 60 or 144 Hz means that the monitor can be updated 60 or 144 times per second.

The high refresh rate (144 Hz and above) enhances the smoothness of the game. And helps when playing fast-paced and reactive games. That requires excellent reflex. To take advantage of high refresh rate monitors. You need hardware that can push so many or close to so many frames per second. Therefore, if you buy a 144 Hz+ monitor. Please make sure that your hardware is powerful enough to insert so many frames in your favorite game.

If you like to play competitive games like Overwatch, Dota 2, League of Legends, CS: GO, etc., then the high refresh rate is a critical feature that cannot be ignored. We recommend that you purchase a monitor that provides a frequency of 144 Hz or higher.

7. Response time: Best gaming monitors

The refresh rate can solve the frequency of refreshing the image on the panel per second. And the response time of the display can measure the speed.

It is defined by the time it takes for a pixel to change from OFF (black) to ON and then to OFF. The unit is in milliseconds (ms). Best wireless gaming mouses Another way to measure response time is to measure the time it takes for a pixel to go from one state to another, called GTG (gray to gray) response time. 

8. Color accuracy and color gamut

Display devices generally follow one or more color standards that define their color gamut and the maximum color range that can be used according to a specific color range/standard. The color coverage is the range of colors that a specific display device can produce within the standard range.

The most popular color gamuts are Adobe RGB, DCI-P3, and sRGB.

Assume that the display has 100% sRGB coverage. This means that this monitor can produce the total (100%) range of sRGB colors without exception. Best gaming monitors Although the higher the coverage. The better but you will not notice the difference after a certain period. For gaming enthusiasts, if you are still worried, make sure to buy a monitor that gets 90% or higher coverage.

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