AOC CU34G2 Review: 34-Inch Ultra-Widescreen, VA, 100Hz Refresh Rate Gaming Monitor


If you’re looking for a new ultra-wide monitor to upgrade, then the AOC CU34G2 gaming monitor will be your choice.

The 34-inch display is wide enough that you’ll be able to immerse yourself into your multimedia and gaming moments fully.

Additionally, this VA panel does pack the performance and the aesthetics to go along with it. Also, if you’re on a medium budget, then the AOC CU34G2 is it.

Before investing in the AOC CU34G2 gaming display, let’s check out its specifications, design, performance, and features.


  • Screen Size: 34-Inches
  • Resolution: 3440 x 1440 UW-QHD
  • Refresh Rate: 100Hz
  • Response Time: 4ms
  • Panel Type: VA
  • Contrast Ratio: 3000:1
  • Brightness: 300 cd/m²
  • Aspect Ratio: 21:9
  • Built-in Speakers: No
  • Stand Height, Swivel, Rotate: Yes
  • Stand Pivot: No
  • VESA Compatible, 100x100mm
  • Connections: 1x DisplayPort 1.4, 2x HDMI 2.0, 5x USB,3.0, 1x 3.5mm Audio Jack
  • Weight: 12.20 Kg

Display Design

The AOC CU34G2 monitor is a curved ultra-wide 34-inch display, with a beautiful matte-black finish to the overall design. The display has a great quality plastic material to the build and feels genuinely nice.

With thin-bezel design around the edges and doesn’t serve any issues when getting yourself into your gaming and multimedia moments.

Also, the display has a beautiful 1500R screen curvature making it great for multimedia and gaming screen-time immersion as well.

The back of the display has a nice red line design, which looks pretty impressive and makes the AOC CU34G2 display a beast itself.

In addition, the AOC CU34G2 monitor is pretty wide physically, and you may need to place this monitor on a big desk for a good foundation.

You’ll be able to locate the OSD panel on the bottom right side of the display and consists of five press-able buttons.

However, the display would have been even better if it incorporated a joystick for navigational purposes because you’ll be able to navigate through the OSD menu with pure convenience entirely easily.

Furthermore, the default stand is ergonomically well designed and has an excellent V-shaped foundation to the base for its foundation, and the display doesn’t wobble nor move when slightly nudged.

The stand can tilt, can adjust in height, rotate, and swivel. But it cannot pivot.

If you’re not one hundred percent with the stock stand, you can always opt-in for a 100x100mm VESA mount, which works great and can give your monitor true freedom of mobility and screen position maneuverability as well.

Underneath the display, you’ll be able to locate a plethora of connectivities and consists of one DisplayPort 1.4, two HDMI 2.0, five USB,3.0, and one 3.5mm audio jack.

Thanks to its abundance of USB ports and two HDMI ports, you’ll be able to connect multiple electronic devices, including your best gaming consoles as well, into the AOC CU34G2 gaming monitor. And you’ll be able to use the display as a charging station as well, which is pretty convenient.

Unfortunately, the display doesn’t have built-in speakers. Still, you’ll do exceptionally well with a set of dedicated speakers or a pair of excellent headphones such as the Bose 700 headphones or the Sony WH 1000XM3 headphones.

Overall, the general design of the AOC CU34G2 is aesthetically pleasing, quite wide as well, and you may need a bigger desk for a great foundation. But you can always opt-in for a 100x100mm VESA mount and save more room as well.

Performance and Features

The AOC CU34G2 is a 34-inch, VA gaming display with a resolution of 3440×1440 UW-QHD. Running with a refresh rate of 100Hz and a 4ms response time, which is pretty decent for casual gaming.

Additionally, the AOC CU34G2 has a contrast level of 3000:1 and a brightness level of 300 cd/m^2, which will give you a plethora of contrast and gamma spectrum to enjoy from. With a high contrast ratio, the display also preserves the details well when viewing scenes extremely light or extremely dark. And with these levels, you’ll be able to experience the brilliant lights and the rich darks provided.

The AOC CU34G2 has FreeSync and is also G-Sync certified, you’ll need to download the necessary drivers from Nvidia’s site to have your Nvidia card be fully compatible.

And the adaptive sync can run from a range of 30-144Hz, which gives you a super smooth buttery-like gameplay to your gaming sessions without any graphical lag, nor screen tearing, and no presence of ghosting.

In addition, the display runs a 100% SRGB and an 84% Adobe RGB giving you crisp, clean, and provide you with color accuracy, which is also great if you’re a video editor and if you’re editing photos with precise detail.

In opposing the traditional 16:9 screen aspect ratio, the AOC CU34G2 display has a 21:9 ultra-widescreen aspect ratio, which is outstanding if you want full-screen immersion and better gaming experience.


  • Quick 100Hz refresh rate and a fast 4ms response time great for casual gaming
  • Excellent contrast and color coverage
  • Images and colors look vibrant and life-like


  • No joystick for OSD navigational purposes, but buttons are fairly responsive.
  • The monitor is a bit heavy


The AOC CU34G2 gaming monitor is superbly built and has a beautiful genuine feel to the overall build, as well as its aesthetically pleasing design.

However, the only downside was the OSD navigational buttons, which were responsive but was quite inconvenient when navigating through the OSD settings. Incorporating a joystick to navigate would be nice.

The image and color quality is superb and gives you a sense of immersion when gaming as well.

Also, you can check out some of the best gaming monitors for 2020 such as the fastest 144Hz monitors and 240Hz refresh rate displays if you’re wanting more.

If you’re on a medium budget and are looking for something new to upgrade to, then the ultra-widescreen AOC CU34G2 gaming display will be your answer.

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