10 Best Gaming Monitors Under $400 USD [2021] Buyers Guide

Gaming monitors come up with different capabilities that are specific for some specific game genres. For example, a display with a high refresh rate is perfect for shooting and battle games but it is not a necessary factor to consider if you are more into simulation or strategy games. For fast-paced games, low input lag is very important. 

So finding an appropriate monitor is very important so that you can enjoy your desired games. If you are on a budget it would be better to find a monitor that can fulfill your needs within your budget.

List Of 10 Best Gaming Monitors Under 400$

To make things easier for you we have shortlisted some of the best gaming monitors under $400. Fortunately, under this price you can get some of the very good quality gaming monitors so let’s get started.

1. Acer Nitro XF252Q

Acer Nitro XF252Q is considered among one of the best and quickest displays available in the market. It offers you 0.3ms response time which is just mind blowing. To give you the best gaming experience it is equipped with motion blur reduction and AMD FreeSync. Connectivity is not an issue with this monitor as it comes up with two HDMI ports, quad-USB 3.0 hubs, DisplayPort 1.2 and a headphone jack.

Its TN display panel is based on the latest generation that offers 240 Hz refresh rate. It also comes up with 3ms input lag for ensuring best experience with fast paced fighting games. Motion blur technology it has is known as Visual Response Boost which utilizes backlit strobing for increasing motion clarity. You will love the brightness quality even at 240 Hz. 

It comes up with Full HD resolution which works perfect for gaming. Its 24.5 inches large screen is perfect for this resolution. TN display technology may not offer high image quality but it works fine. Moreover contrast ratio is not that good. It also comes with 2W integrated speakers, sound quality is not that brilliant but it work fine. Still I would suggest you to use head phone I you want to enjoy best gaming experience.

The best thing about this monitor is that it offers extensive ergonomic adjustments. You can easily adjust its height, swivel, tilt, and pivot it. Another best thing about this monitor is that you can VESA mount it on your wall. Indeed it is the best value for the price. So you would love to have this monitor if you love to play fighting games.


  • You will love the gaming experience
  • Implementation of backlight strobing is brilliant
  • It offers extensive ergonomic adjustments


  • Image quality is not that good

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2. AOC CQ32G1

Some people prefer to play on smaller gaming units while some prefer to have larger game units.  Gaming is more enjoyable when you are playing on a larger screen. On larger screen graphics look more pleasing. So if you want a big screen there is nothing better than having an AOC CQ32G1 monitor. It is a three-sided frameless monitor and a good option for a multi-monitor setup. 

Contrast ratio is also very pleasing and you will have an 80000000:1 smart contrast ratio. Brightness also matters a lot as it enhances the experience and with this monitor, you will get 300 nits peak brightness. Moreover, it offers quality color gamut which is about 125% sRGB. It also comes up with motion blur reduction technology.

Backlight strobing is adjustable via MBR settings. This feature is also helpful in dealing with motion blur. You cannot use this feature when FreeSync is active. The refresh rate is adjustable between 48-144 Hz which is also good for gamers. It supports stable G-SYNC technology. Ergonomic adjustments are not that good; you can only tilt it. But you can VESA mount it if you want.

In addition to all this, you will also get pre-calibrated picture presets, game control for saturation and gamma adjustments, and also Shadow control.  Connectivity is not an issue with this monitor as it has two HDMI ports, one display port, and one audio jack.


  • It comes with eye protection technology for extensive use
  • Refresh rate is fast
  • Response time is just 1ms which is ideal for casual and pro gamers


  • Image quality is good but you will not be able to enjoy details

Must Read: Best Gaming Monitors Under 100 USD

3. LG 27GL83A

LG 27GL83A-B is an astounding gaming laptop that you can consider if you want to play league of legends. It is also an excellent option for media creation. With its mind-blowing response time, it also delivers quickly-moving content with no blur trail. It is a dream monitor for gamers who want low input lag. 

In appearance, it is just like any other laptop of LG’s Ultra Gear lineup. Mainly it is available in black color. Mainly it is designed for gaming purposes but it will also fit any kind of office environment. The stand has minimal wobble but supports the whole monitor efficiently.

Ergonomics are not that pleasing but work well. You can adjust the height and tilt it but cannot swivel. You can also VESA mount it if you want. Monitor also has a clip in the stand for cable management.

The borders of the monitor are thin but the bezel is a bit thick from the bottom side. It is made up of plastic but the build quality is good so you do not have to worry about it.

IPS display quality is usually but in this monitor contrast ratio is a bit disappointing. In the dark black looks like grey. The screen is backlit with no local dimming option. You do not have to worry about the glare in a bright room.

You will enjoy a 144Hz remarkable refresh rate. It supports the Freesync refresh rate. It is certified by NVIDIA and so is G-Sync compatible. Connectivity is not an issue as it comes up with 2 HDMI ports, one display port, and one analog audio out.


  • Response time is outstanding
  • Input lag is extremely low
  • You will enjoy the high accuracy


  • Black uniformity is poor
  • Contrast quality is very disappointing

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4. Voitek GN34CB

Viotek GN34CB is an amazing monitor available in stunning black color. It provides the best value for the money. It has a 34 inches large ultra-wide screen with resolution of 3440×1440 pixels. It will give you clear and sharp image quality. You will get 3,000:1 contrast ratio so that you can enjoy deeper blacks. It also has 115% sRGB color gamut. 

Response time is not that good so you will notice a little bit ghosting issues with fast moving objects but it is bearable. It supports AMD FreeSync along with 48 to 100 Hz VRR range. It can work with compatible NVIDIA cards but you may face brightness flickering problems with some units.

Some other features it offers include pre-calibrated picture presets, customizable crosshair overlays, and much more advanced picture adjustments. Connectivity is not an issue with this amazing monitor as it comes up with one HDMI port, one DVI port, headphones jack and a display port.

It has a very thin stand so will not take much space but is strong enough to bear the weight of the monitor. Unfortunately, it does not have an ergonomic design so you can only tilt it. A good thing is that you can VESA mount it. It has extremely thin bezels so it will give you an ultra-modern look.


  • It offers high resolution and clear images
  • Contrast ratio is excellent
  • It offers AMD FreeSync up to 100 Hz


  • It has a tilt-only stand
  • You will face ghosting issues especially in dark scenes

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ASUS VG259QM may not be super fat but is a perfect option for casual gamers. It provides vibrant display colors and wide viewing angles.  It is equipped with high quality IPS display offering up to 178° wide viewing angles both vertically and horizontally. You can comfortably play your game without worrying about image disruption. 

It offers 1ms GtG response time and a refresh rate of 280 Hz. So you may notice a little bit of ghosting and overshoot issues. It is G-sync compatible by NVIDIA. Some other features it offers you are Shadow Boost, customizable crosshairs, refresh rate tracker and pre-calibrated picture modes. 

It also comes up with backlight strobing up to 280 HZ. It allows you to use FreeSync/G-sync and ULMB at the very same time.  It offers multiple connectivity options including two HDMI ports, 2W built-in speakers, a display port and a headphones jack. 

The first thing that you need in a monitor is its adjustability. Don’t worry this monitor has an ergonomic design that allows you to tilt, swivel, pivot, and adjust the height of the monitor. You can also VESA mount it if you want.


  • It offers FreeSync and MBR up to 280Hz
  • Response time is really quick
  • You will enjoy wide viewing angles
  • It has ergonomic design


  • ELMB-Sync performance is not very pleasing

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6. Alienware AW2518Hf

Alienware AW2518Hf is another fun piece of technology and gives you a better gaming experience. This monitor has a single 25-inch screen, with a response rate of 1ms and a TN panel. This model comes with some nice new features, for instance an easy-to-use dashboard with new game menus.

Pre-customized game modes, multi-screen setup guides, and a high refresh rate allows shooting, mouse tracking, and targeting.

The AW2518Hf is designed to enhance your game experience. The beautiful, easy-to-use design, made up premium materials, remains a reality for Alienware engineering gamers. You can adjust it according to your comfort with swivel, tilt, pivot, and flexible height features.

AMD Free Sync technology minimizes graphic distortions such as cracks and artifacts in screen design, allowing you to meet native refresh rates up to 240Hz. If you are looking for a high-end monitor within $400 make sure to consider this monitor you will not regret it.


  • Equipped with AMD Freesync technology
  • Flicker-free screen
  • Ergonomic design to enhance your comfort
  • Refresh rate is amazing


  • It does not have a USB port

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7. Dell S2417DG

Dell S2417DG is an amazing monitor not only for common users but also for gamers. It is an amazing monitor with QHD resolution you will love for sure. 2560 x 1440 pixels resolution is perfect for best gaming experience. 

Its 24 inches large display screen gives you good image and color quality. It also has anti glare screen coating so you do not have to worry about reflections.  It is equipped with NVIDIA G-Sync technology that provides you flicker-free images with no stuttering. 

Good connectivity options are required but it is not a problem in this case, as it has a display port and HDMI ports. It has response time of just 1ms which is perfect. In addition to this you get a typical contrast ratio of 1000:1. 

The best feature of this monitor is that it is highly adjustable and has pivot, swivel, and tilt. It is a very budget-friendly option with all these features. It may not feel like a showstopper but you cannot ignore it too.


  • It is a budget-friendly monitor
  • It is easily adjustable
  • Color quality is excellent
  • It has a flicker free display


  • Screen is a bit smaller

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8. Viewsonic VX3258-2KC-MHD

This monitor is very entertainment friendly and available at cheap rates. This device is extremely cost-effective. It also comes with 32-inches WQHD curved screen along with a high resolution of 2560 x 1440 pixels. You will love the image quality on this amazing monitor. 

One of its unique features is its AMD Freesync. This gaming device provides smooth gaming experience by reducing and eliminating tearing of the screens and frames. It goes pretty well with any fast gameplay with a refresh rate of 144 Hz. The stands of this monitor device provide just tilting property that is why it moves restlessly occasionally. 

It also comes with a hotkey preset for FPS, MOBA, and RTS. It displays overall black stabilization. It is also packed with another amazing technology named Flicker-Free Technology to reduce the eye strain. It also is able to filter harmful blue light to reach your eyes. 

The overall performance of the monitor is splendid without any blurred effect. Connectivity is not an issue with this mind-blowing piece of technology as it supports laptops, Macs, and PCs with HDMI and DisplayPort inputs. It comes up with three years of industry-leading warranty.


  • It has high quality dual integrated speakers
  • Ergonomic design
  • It comes up with eye protection technology
  • It offers multiple connectivity options


  • Warranty is limited

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9. LG 32UK550

LG 32UK550 is a big 4K monitor offering you fine image quality. It is a perfect piece of technology for gaming and office use. It comes up with a very decent design and the bezel is matte black with a metal brushed finish. The monitor does not flex very much and the stand is very sturdy to handle the weight of the whole monitor.  

It offers decent picture quality, and its contrast ratio is 3000:1 which is good for dark rooms. Black and grey uniformity are excellent. It has a peak brightness of 400 cd/m² which is fine with most of the rooms but not enough to deal with the glare due to a brighter room. Color reproduction quality is excellent. 

It supports AMD’s Free sync technology, which means you will adjust the refresh rate of the screen base don’t he type of game you are playing. It has a refresh rate of 4-60 Hz. It comes up with enough ergonomic adjustments. You can also VESA mount it on the wall.

Connectivity is not an issue with this monitor as it comes up with one display port and two HDMI ports; unfortunately, there is no USB port. It also has headphones for giving you the best gaming experience.


  • It offers excellent contrast quality with deep blacks
  • It offers uniform solid colors
  • The wide color gamut is excellent


  • You may notice some ghosting in fast paced games

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10. ASUS VG289Q

If you are looking for a 4K monitor there is nothing better than ASUS VG289Q in the following price range. This amazing monitor has 28 inches large IPS display which means you will enjoy high image quality with more details and high sharpness. It has a rich pixel density of 157 PPI. In addition to this it also supports 10-bit color depth.

Stunning colors, and 4K UHD resolution makes it a perfect option not only for gamers but also for content creators. You can also use it for other multimedia purposes. It supports AMD FreeSync over both DisplayPort and HDMI port via 40-60 Hz VRR range. It is compatible with NVIDIA cards without any issues. 

Other features it has to offer you are pre-calibrated picture presets, shadow boost on-screen timers and shadow boost. It also supports HDR as well. It offers a brightness of 350 nit’s peak, which is just perfect. It has a wide color gamut, colors will look better on HDR content. If you are too much into visuals, it is a perfect option for you.

Connectivity options it offers you include, single display port, two HDMI ports, headphones jack, and 2W integrated speakers. It has an ergonomic design so you can tilt, swivel, pivot, and adjust the height. You can also VESA mount it if you want.


  • It has excellent color production quality
  • It has an ergonomic stand
  • It is a budget friendly 4K IPS monitor


  • It only supports entry-level HDR

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What should be the screen size of the monitor under $400?

The first thing you should look at on a monitor is its screen size. Larger the screen size better will be your gaming experience. But for gaming a 24 inches large screen monitor is perfect. A monitor with a larger screen size than this will not be good because you will have to struggle with focusing. A monitor with a screen smaller than 22 inches is not recommended at all.

Does response time matter?

Most competitive gamers worry about response time. For an ideal monitor response time is 1 to 2 ms. But a monitor having a response time between 1 and 5ms works fine. With slower response time you will enjoy a smoother game experience. Fortunately, you can find a budget monitor with lesser response time. Monitors we have mentioned in this article have a low response time.  

What should be the refresh rate?

While choosing a monitor refresh rate must be considered. A preferred refresh rate for a gaming monitor is 144 Hz. Higher the refresh rate of the monitor means better gaming experience. On the other hand, monitors with 60 Hz refresh rate are good for story-driven games with low action. Under $100 you will only get monitors with 60 Hz and 75 Hz refresh rate.

Must Read: Best 144hz Monitors Under $200

What is better G-Sync or A-Sync?

Both have their own benefits, G-Sync is compatible with NVidia graphics cards while Free-Sync is not and only works with AMD monitors. G-sync is a cheaper option.

How necessary connectivity ports are?

I/O connections are ports that are needed to connect computers. The monitor you choose must have HDMI, Display ports and dual link DVI ports. So that you may not face any trouble. it will make connecting with different devices easy for you.


Finding the right monitor is easy but it still requires some research so that you know what you want and what you can get within your budget. This guide gives you an overview of some of the best monitors under $400 with a 144HZ refresh rate available in the market.

All of these ensure high-quality performance and good resolution with mind-blowing image quality. You will not only enjoy playing games but will also love to work or watch movies. If you are thinking of buying a monitor you can go with them.

Otherwise, just make a list of features you want in the monitor and consider your budget and it will become easy for you to find your dream monitor. Hope so this guide will prove helpful for you.

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