AOC CU34G2X Review
You can learn all there is to know about the AOC CU34G2X 34 by reading this comprehensive review before making a purchase.
AOC CU34G2X Pros and Cons
Blur reduction is available up to 144 Hz.
Straight out of the box accurate.
HDR does not appear to be significantly superior to SDR.
AOC CU34G2X: Overview
When choosing the best gaming display, HDR support is becoming more and more important. We can all agree that regardless of the maximum refresh rate of a display, AMD FreeSync or Nvidia G-Sync is necessary. However, many games are embracing HDR and the DCI-P3 standard’s broader color gamut. It is vital to take into account including these features on one’s shopping list in order to properly comprehend the creator’s intention.
We’re currently looking at the AOC CU34G2X, a high-performance gaming monitor that has HDR and FreeSync. It is a curved VA panel with a 34-inch diagonal and a 3440×1440 resolution that offers exceptional performance thanks to a 144 Hz refresh rate and a claimed 1ms reaction time.
AOC starts with a panel that is 1500mm in radius. Although AOC does not specifically call the CU34G2X an HDR monitor on its product page, it does support HDR via HDR10 and an expanded color gamut. It sports a claimed brightness of 300 nits. Despite the fact that FreeSync is the chosen adaptive refresh technology, we were able to establish in our tests that the CU34G2X also supports G-Sync and HDR on both versions. The 10-bit HDR signals in the AOC CU34G2X are compressed because they have an 8-bit color depth, although this is typical procedure for all displays other than the priciest 10-bit native displays.
|AOC CU34G2X Details|
|Screen Resolution||3440 x 1440|
|USB 3.0 Ports||4|
|Refresh Rate||144 Hz|
|Dimesions||89.9 x 55.4 x 29 cm|
The USB ports on the AOC CU34G2X are version 3.2, and it also supports the most recent communication standards, such as DisplayPort 1.4 and HDMI 2.0 (for a comparison, check our article on DisplayPort vs. HDMI). There is a blur-reduction option called MBR that operates at frame rates up to 144 Hz, similar to G-ULMB, for purists who would rather avoid Adaptive-Sync. Sync’s FreeSync’s minimum frequency is 48Hz. The best or even a high-end graphics card won’t be necessary to drive it, but you will need enough power to keep the action moving at a rate higher than 48 frames per second (fps).
Although the AOC CU34G2X costs a little more than 27-inch 16:9 1440p displays with equivalent feature sets, the wider screen and tight 1500R curvature might make first-person shooter games and flight simulators feel more realistic.
Accessories and Unpacking
For the CU34G2X, AOC provides a premium stand and a reliable base that attaches quickly to the panel. The packaging also includes USB, HDMI, and DisplayPort cables. The electrons needed by a panel that uses 47 watts with a 200 nit backlight are provided via an IEC power connection.
We seldom ever see a calibration data-sheet delivered with gaming monitors. AOC also offers data on screen uniformity and color inaccuracies with a Delta E (dE) of fewer than three. Our evaluations supported the information; this monitor is fairly accurate right out of the box.
The CU34G2X has a slim bezel with a flush-mounted anti-glare coating that appears frameless when the power is off. The border in the example is 8 mm wide, and the bottom trim strip is wider. A little air gap in the first layer reduces grain and creates an incredibly sharp image.
With RGB lighting, the AOC CU34G2X’s design is clearly geared toward gaming. Despite appearing to glow in the images, the red trim is actually merely reflecting light. A tiny power indicator that flashes white when in use and orange when in standby is the only LED illumination present. Two enormous chevrons and a vertical stripe on the upright serve as accents to the red trim that wraps around the back.
The durable stand has a 5-inch height adjustment range, a 30-degree side swivel, and a 21.5-degree back tilt. The movements are powerful and sure without any play. The platform unsnaps to reveal a 100mm VESA bolt pattern in case you decide to use an external installation. However, you will have to provide your own fasteners.
As would be assumed, the control buttons are beneath and to the right; nevertheless, AOC decided to make them very small and recessed. Although they click firmly, they are challenging to manipulate naturally. They don’t protrude, which is a plus, although we wish they were bigger or, even better, replaced by a joystick.
There are one upstream and four downstream v3.2 connections on the input panel, but there are no side-mounted USB ports. You also get two HDMI 2.0 ports and two DisplayPort 1.4 ports. Running G-Sync (unofficially) requires DisplayPort, but FreeSync with HDR is compatible with any video input. These models all support the 144 Hz native resolution of the AOC CU34G2X.
AOC CU34G2X 34 Review: Gaming FPS
Unquestionably, the AOC CU34G2X delivered excellent performance when utilized to play SDR games like Tomb Raider. Elements like granite faces and metallic textures virtually sprang off the screen due to the heightened color and contrast. The reds never looked oversaturated, and the crucial flesh tones looked entirely natural, so you can tell AOC did a great job with the color engineering here. The shadows remained dark and intricate, while the highlights were gorgeous and dazzling. The game’s darkest parts could be seen clearly without the usage of the shadow control feature.
On an AMD Radeon R9 285-powered PC, frame rates ranged between 65 and 70 frames per second with FreeSync enabled and Tomb Raider set on the medium setting. We tested the AOC CU34G2X with an Nvidia GeForce GTX 1080 Ti and saw 120-130 frames per second with all settings enabled, despite the fact that it is not technically G-Sync compliant. We also tried a few different overdrive levels and found that Weak was the best one. It increased motion resolution while preventing ghosting.
Windows HDR conversion turned out to be an interesting exercise. We launched Call of Duty: WWII after turning up the brightness slider on the control panel due to the AOC CU34G2X’s lack of brightness. Acceptable highlights and deep, detailed blacks were achieved with a few tweaks to the in-game parameters. This game is extremely well-designed to produce a fantastic picture on any display when the suggested tweaks are used.
AOC CU34G2X 34 Review: Other High End Games
Frame rates ranged from 100 frames per second when using G-Sync on a 1080 Ti to about 50 fps per second when using FreeSync and a Radeon R9 285. Additional processing power is needed for Call of Duty: WWII and HDR significantly slowed down the process. It was a beautiful image in either case. We spent a considerable amount of time inspecting a Parisian business building, which contained rooms that were either well lit or hidden by thick lamp shadows. The added color helped to accentuate the highlights while lifting the highlights out of the fog. Even though we wished for a little bit more brightness, after our eyes adjusted, the view was extremely enjoyable. This is what draws people to closely curved displays like the AOC CU34G2X. Its 1500mm radius wrapped the image to the edge of our peripheral vision when sat about 3 feet away. Pixel density was never an issue because there was 109ppi available.
The CU34G2X offers a gaming experience that is unrivaled by any 16:9 flat panel, just like other curved monitors with improved visual processing and a quick refresh rate. Although we’ve been happy with flat panels 32 inches and larger, the ultra-wide is still our top gaming screen.
Despite not being the brightest monitor on the market, the AOC CU34G2X produces an excellent image because of its high natural contrast and remarkably accurate color. Game functionality is among the greatest at this price point with a refresh rate of 144 Hz with unofficial support for FreeSync and G-Sync with HDR. It is unquestionably worthy of serious consideration for ultra-wide seekers.
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