The 6 Best 4K G-Sync Monitors

Person playing Apex Legends on ASUS monitor
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If you want to get the best out of your latest NVidia GPU, you should get a G-Sync monitor.

G-Sync monitor has a specialized chip that helps the display to dynamically match its refresh rate to the frame rate of your NVidia GPU. G-Sync results in smooth gaming with no screen tearing, input lag, and motion blur.

While you can spend a fortune to get the latest RTX graphics card for the smoothest, sharpest, and most intense gameplay, why use a below-par gaming display?

Before going out looking for the best G-Sync monitor, you should know that there are 3 levels of G-Sync.

G-Sync Ultimate

Monitors with G-Sync ultimate are the best gaming displays on the market.

G-Sync ultimate displays come with the latest NVidia G-Sync processors to provide the juice to play high-end gaming rigs. They have the most appealing features you’ve always dreamed of, such as over 1000 nits brightness, striking contrast, cinematic color, and ultra-low latency gameplay.


G-Sync displays deliver an incredible gaming experience with no stuttering, tearing, and input lag. They have passed over 300 tests from NVidia and are certified G-Sync monitors.

You can enjoy your games with the best settings and zero visual artifacts thanks to their unique technologies such as full variable refresh rate and variable overdrive.

G-Sync Compatible

These monitors do not use NVidia processors; however, they are certified by NVidia to provide essential variable refresh rate experience for a smooth gaming experience. You will not experience any cases of visual artifacts, screen tearing, or motion blur.

With all the considerations in mind, here are the best 4k G-Sync monitors you can buy to take your gaming experience to the next level:

1. Acer Predator X27 – The Best 4K G-Sync Monitor

Smoothen your gaming experience with this 2160p monitor that support 144Hz refresh rate with fast 4ms response time on an NVidia G-Sync ultimate monitor.

The Acer Predator X27 is the best 4k G-Sync monitor in our collection. This monitor can give you the best gaming experience in any game when using the right NVidia GPU.

The monitor comes with a 4K (3840 x 2160) resolution that delivers excellent text clarity in a perfect screen size. On top, you get a 144Hz refresh rate to fuel your 4K display for the best tear-free gaming experience.

It is not the best monitor by chance. The Acer Predator X27 is NVidia G-Sync ultimate certified. It comes with excellent specs for all types of games, including wide color gamut and intense brightness.

Image Quality

Being a G-Sync ultimate monitor, the quality of the image is premium.

The predator X27 monitor is very bright, with a peak brightness of 1000 nits. DisplayHDR 1000 offers the best contrasts and color saturations while the dark sections of the screen get darker and bright parts brighter to bring your visuals to life.

The monitor supports exceptional 99% Adobe RGB color space that offers a wide color range with impeccable accuracy. Factor in the IPS panel and Quantum Dot technology, and you get even sharper and accurate visuals.


  • 1 x HDMI 2.0
  • 1x DisplayPort 1.4
  • 4 x USB 3.0
Our Take

144Hz refresh rate and NVidia G-Sync ultimate provide smooth and seamless gameplay with no screen tearing and input blur.

The Predator X27 is fully equipped with DisplayHDR 1000 and a wider color gamut to provide lifelike visuals to enjoy your gaming. If you’re looking for the best gaming machines, this masterpiece from Acer should be top of your priority list.

  • Nvidia G-Sync ultimate monitor
  • HDR for lifelike visuals
  • Peak 1000 nits brightness for brighter display
  • 144hz refresh rate
  • Multiple pre-set game modes
  • No USB-C

2. ASUS ROG Swift PG27UQ – 4K HDR10 G-Sync Monitor

The ROG Swift PG27UQ comes with G-Sync HDR technology for vivid and cinematic visuals with DisplayHDR 1000 and Quantum Dot IPS display.

The ROG Swift is a G-Sync ultimate monitor that comes with a 144Hz refresh rates to provide gamers with a smooth gaming experience. The 4K UHD resolution offers an unrivaled level of details, sharp images, and crisp text.

Onboard you get Aura Sync RGB lighting, which you can synchronize with other Aura Sync-enabled peripherals such as keyboard, headsets, and mouse.

Asus ROG Swift comes with an ergonomic stand that you can tilt, swivel, or adjust the height to get a comfortable viewing angle.

Image Quality

ROG Swift is one of the brighter 4K G-Sync monitors around with DisplayHDR 1000. It has a peak brightness of 1000 nits, which is way better than SDR displays.

It also comes with a Quantum Dot IPS display that supports a wider color gamut for accurate color imagery. The 97% DCI P3 (99% Adobe RGB) delivers realistic colors and smoother gradation.

With flicker-free technology, you can work and play for longer hours without eye strain that could otherwise hurt your vision.


  • 1 x HDMI 2.0
  • 1 x DisplayPort 1.4
  • 2 x USB 3.0
Our Take

If you’re an HDR fanatic, the Asus ROG Swift PG27UQ fits you well. The monitor delivers vivid details and true to life visuals with DisplayHDR 1000. The colors are accurate with DCI P3, and Quantum Dot technology delivers a cinematic to lighten your visuals.

The ROG Swift isn’t about HDR; it features a 144Hz refresh rate and 4ms for fast and tear-free gaming. It is an excellent addition to your gaming setup if you want to enjoy smooth gaming, ultra-clear visuals, and RGB lighting with Aura Sync.

  • DisplayHDR 1000
  • 144Hz refresh rate
  • GamePlus technology with four different crosshair options – but does anyone need this?
  • Ergonomic stand
  • Aura Sync RGB lighting
  • Multiple display modes for different kinds of games
  • Asus eye care
  • Still no USB-C

3. AOC Agon AG271UG – Budget 4k G-Sync Monitor

The most affordable G-Sync monitor with IPS panel, 60Hz, and exclusive shadow control technology.

The monitor comes with an IPS panel for wide viewing angle and consistent image quality and color across any viewing angle. You also get Anti-Glare, matte coating that doesn’t leave any smudges.

The 60Hz refresh rate might not be the best for intense gaming, but it is good considering the price tag.

The main advantage is that you get impressive gaming features for a lot less compared to the other G-Sync monitors. The AOC Agon provides a fluid and responsive gameplay with Nvidia G-Sync, which eliminates screen tearing, input lag, and stuttering.

Image Quality

The AOC Agon monitor features an Ultra HD 3840 x 2160 resolution for more vivid and crisp visuals. You can play your games, edit photos, or watch movies with excellent clarity and quality.

Onboard you get exclusive AOC Shadow Control to provide the best visuals on the darker areas on the screen. With this, you can easily spot your enemies hiding in the dark on your map.


  • 4 x USB 3.0
  • 1 x HDMI 1.4
  • 1 x DisplayPort 1.2
Our Take

AOC Agon gives you a chance to enjoy the beauty of Nvidia G-Sync on a very affordable monitor.

While it may not have HDR or higher refresh rates, the 60Hz, 4ms response time, and 300nit brightness can give you good experience across many games.

The best gaming monitors often carry a huge price tag. The AOC Agon comes with Nvidia G-Sync to give you a smooth and fluid gameplay with a very affordable price tag.

  • Excellent shadow control technology
  • Smooth and fluid gaming
  • Affordable
  • Low refresh rate
  • No HDR

4. Acer Predator XB1 XB271HK – Best Value 4K G-Sync Monitor

The Predator XB1 is another budget-wise 4K monitor that delivers exceptional gaming performance with NVidia G-Sync, 60Hz, and 4ms response time.

You don’t have to break the bank to get the best gaming monitor. The Predator offers smooth gaming performance thanks to G-Sync tear-free technology in an affordable price tag.

The Predator XB1, however, comes with only a 60Hz refresh rate that isn’t so good for playing competitive games. You still have G-Sync fast 4ms response time to get you going through most games.

The Asus ErgoStand lets you tilt, swivel, or adjust the height of the stand to find the best comfortable viewing angles to send killer strikes in your game. You can wall-mount the stand using VESA compatible mounting arms to save on desk space.

Image Quality

Predator XB1 features a 4K UltraHD display for clear visuals and excellent text clarity. The IPS panel ensures your visuals look sharper with inform color accuracy from every angle on the screen.

The monitor comes with only 300 nits brightness, which is not brighter compared to the G-Sync ultimate monitors with peak brightness of 1000 nits.

You can play games for long hours thanks to EyeProtect’s Flicker-Free technology. Asus Flicker-Free reduces flicker for a more comfortable viewing so you can play games or work for hours.


  • 1 x DisplayPort 1.2
  • 1 x HDMI 1.4
  • 4 x USB 3.0
Our Take

The Predator XB1 is one of the affordable 4K G-Sync monitors that deliver jaw-dropping specs for a lot less than the other 4K G-Sync monitors.

The monitor delivers smooth gameplay with NVidia G-Sync that minimizes display stutter and input lag. The 60Hz and 4ms response times can give you good gaming experience with most games in the market.

If you’re under a tight budget and still looking for a smooth gaming experience, the Predator XB1 is an excellent option.

  • Nvidia G-Sync for smooth gaming
  • Inbuilt two 2W speakers
  • Flicker-free technology
  • No HDR
  • Does not support USB-C

5. Acer Predator CG7 CG437K – Gaming 4K G-Sync Monitor

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The Predator CG7 is the best 4k G-Sync monitor with 144Hz and 1ms response time on a certified DisplayHDR 1000 large-format screen.

If you’re looking for tear-free gaming and lifelike visuals, look no further than the Predator CG7. The monitor comes with splendid gaming specs that, when used with a powerful computer can give you the best gaming experience ever.

Predator CG7 is a G-Sync compatible monitor. You can play games with no screen tearing or input blur. The monitor comes with 120Hz refresh rates, which support overclocking up to 144Hz and a fast response time of 1ms for smooth gameplay.

Onboard you also get other excellent features, including the Light sensor and Proximity sensor.

The light sensor automatically detects the amount of ambient light in your environment and adjusts the brightness level for a more comfortable viewing experience. Proximity sensor allows the monitor to enter power saving mode is it detect no one is around or wake up from standby mode when you’re around the monitor.

Image Quality

Predator CG7 comes with a 4K UltraHD resolution in a 43-inch IPS panel. 4K resolution is suitable for vivid visuals and text clarity, while the IPS panel leads to splendid color accuracy.

It is VESA Certified DisplayHDR 1000, which means it can push up to 1000 nits brightness for realistic contrasts and lifelike visuals. With support for 90% DCI-P3, you get cinematic color displays more like the real world.


  • 1 x USB Type-C
  • 2 x DisplayPort 1.4
  • 3 x HDMI 2.0
  • 2 x USB 3.0
  • 2 x USB 2.0
Our Take

The Predator CG7 is an excellent gaming monitor with Nvidia G-Sync, up to 144Hz, and the fastest 1ms response time. The monitor comes with other amazing features such as DisplayHDR 1000 and DCI-P3 for realistic and cinematic displays.

If you’re looking for tear-free gaming on a large screen, this 43-inch 4K G-Sync monitor fits the bill.

  • DisplayHDR 1000
  • USB-C support
  • 144Hz refresh rate
  • Inbuilt two 10W speakers
  • Wide color gamut
  • Remote control
  • VESA mounting
  • Non-ergonomic stand

6. ASUS ROG Swift PG65UQ – 4K G-Sync Big Format Gaming Display

The ROG Swift PG65UQ delivers the best tear-free and stutter-free gaming experience in a remarkably 65-inch display.

The ROG Swift is a G-Sync Ultimate monitor that comes with mind-blowing features such as DisplayHDR 1000 to deliver the best HDR gaming immersion.

It is one of the first big-screen monitors to run 4K content at an overclockable 144hz refresh rate. If you’re a power gamer, you’ll love the ultra-clear visuals with notably smooth frame rates.

ROG Swift PG65UQ provides Variable Refresh Rate support for Xbox One console. VRR helps the monitor sync its refresh rate with the frame rate of Xbox One and prevent screen tearing and stuttering for smooth gaming.

Light up your gaming workspace with the Aura Sync lighting to provide ambient lighting across all Aura Sync-enabled peripherals. Your gaming experience will never be boring again.

Image Quality

The ROG Swift PG65UQ features a full-array local dimming backlight with dynamically controlled 384 zones and DisplayHDR 1000 that delivers a peak luminance of 1000 nits. You get perfect contrasts, highlights, and detailed shadows to enjoy true to life visuals.

With support for Quantum Dot technology, the monitor delivers an accurate and broader color palette. It comes with the cinema-standard DCI-P3 95% color gamut for perfect color accuracy.

Asus Eye Care technology ensures you can play games for more extended hours by filtering harmful blue light for maximum gaming comfort.


  • 1 x DisplayPort
  • 4 x HDMI
  • 2 x USB 3.0
Our Take

The Predator CG7 is an excellent gaming monitor with Nvidia G-Sync, up to 144Hz, and the fastest 1ms response time. The monitor comes with other amazing features such as DisplayHDR 1000 and DCI-P3 for realistic and cinematic displays.

If you’re looking for tear-free gaming on a large screen, this 43-inch 4K G-Sync monitor fits the bill. The ROG Swift PG65UQ is one of the best gaming monitors around. You can enjoy tear-free gaming in a large 65-inch display with crystal clear visuals and excellent color quality.

While this monitor may be pricey, the features including a large 65-inch VA panel, DisplayHDR 1000, DCI-P3, 144Hz amongst others are worth the price.

The monitor is G-Sync Ultimate and UltraHD premium certified. You’ll get the best gaming experience that you’ve always admired.

  • A large gaming display
  • DisplayHDR 1000
  • Excellent color accuracy
  • Immersive audio with two 15W speakers
  • Anti-Glare coating
  • G-Sync Ultimate display
  • Still no USB-C support
  • Expensive

Bottom Line

Nvidia G-Sync allows you to enjoy a tear-free and stutter-free gaming experience by matching the refresh rates of your monitor and the frame rate of your Nvidia GPU. We’ve have selected the best 4K Sync monitors you can use for the smooth gaming experience. 4K 3840 x 2160 resolution offers excellent text clarity and vivid visuals. You can enjoy the best visuals at excellent refresh rates and fast response times. Most of the G-Sync monitors in this roundup comes with HDR and DCI-P3 support at a considerably higher price. Depending on your needs, you can also go for the affordable options that offer G-Sync support and middle-level specs. Either way, you get smooth gameplay and say goodbye to input lag, motion, blur, and screen tearing forever.

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