AOC Agon Pro AG275QXL League of Legends Gaming Monitor Review

AOC Agon Pro AG275QXL League of Legends Gaming Monitor Review


When I first saw the AOC Agon Pro AG275QXL League of Legends Edition gaming monitor in its reveal trailer, I felt compelled to give it a try. It’s something different that at least spice up the market. I’ve been using it for the past month or so and it’s definitely one of the most unique panels on my gaming table.

On the surface, it’s common in terms of specs: 1440p resolution, 170Hz refresh rate, IPS panel, 1ms GtG response time, G-Sync compatible. What sets the AG275QXL apart from its peers is its ability to dynamically adjust the game’s integrated RGB LEDs and respond to your in-game movements while playing League of Legends.

As someone who has been playing League of Legends since 2012, this definitely piqued my interest. Could this be the best gaming monitor for LoL fans, or will it end up feeling as fancy as URF games? The answer is a bit complicated.

Assembly of the AG275QXL is very simple, the panel is inserted and locked to the bracket with a few sturdy metal pegs. While I haven’t tested this myself, AOC says the monitor is compatible with a standard 100×100 VESA wall mount, if you want to use it. However, doing so would limit the monitor’s ability to respond to in-game input from League of Legends, taking away much of its unique appeal. Still, happy in a pinch.

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AOC Agon Pro AG275QXL LG 27GP850-B Gigabyte M27Q-X MSI Optix MAG274QRF-QD
control panel IPS (27″) Nano IPS (27″) IPS (27″) IPS (27″)
Resolution 2560×1440 2560×1440 2560×1440 2560×1440
refresh rate 170 Hz 180 Hz 240 Hz 165 Hz
Response time 1ms 1ms 1ms 1ms
HDR VESA DisplayHDR 400 VESA DisplayHDR 400 VESA DisplayHDR 400 not applicable
price $480 $500 $500 $400

After swapping out my old monitor for the AG275QXL, it really made me want to go to Summoner’s Rift and play a game or two of League of Legends. I found the Hextech-inspired gold lines on the panel’s black chin a nice subtle nod to gaming, and liked the slightly more intricate designs on the rear chassis, then basically forget about them when they’re facing the wall.

However, the basic design didn’t win me that much. While I think the black and gold color scheme and Hextech lines evoke the MOBA aesthetic nicely, the large “League of Legends” logo in the center is a bit of a spoiler. I know AOC and Riot Games no doubt want to show off the brand, but you’ll find things like the “L” icon on the game’s client and monitor’s quick-switching keyboard for a less distracting, more tasteful middle ground.

Plugging in and routing cables is easy, and I can quickly replace anything I need by rotating the panel 90 degrees. Putting the AG275QXL in the right spot for my gaming PC setup also requires no grip, with plenty of height and tilt adjustments. However, unfortunately there is no rotation to speak of.

The AG275QXL has full I/O, four USB 3.2 ports and 3.5mm stereo and microphone inputs, and two DisplayPort 1.4 and two HDMI 2.0 ports for video connections. It’s a shame there’s no HDMI 2.1 here, as that means you’ll need to use DisplayPort if you want to take full advantage of your monitor’s 170Hz refresh rate, whereas HDMI 2.0 tops out at 144Hz.

Words of the wise: don’t set up the AG275QXL late at night

When powered on, the AG275QXL surprised me with the “League of Legends x AGON by AOC” splash screen and unexpectedly loud LoL-themed startup sound. Word of the wise: don’t set it late at night. While this feature may appeal to some, I opted to turn it off instantly via the monitor’s OSD, which ignores whatever volume you set the speakers to before falling prey to the equally loud shut down sound.

The translucent base and the LEDs on the back of the AG275QXL also glowed orange-gold, but unfortunately, my attention quickly shifted from my eyes to the harsh high-pitched noise in my ears. I quickly fixed this by turning down the intensity of the LEDs from “strong” to “low”, and later found out that the intensity of the problem can vary depending on the color of the light settings.

I’m particularly sensitive to things like coil whine, but that noise might not be that bothersome to others. With that in mind, while I found the noise to be particularly annoying during general use, I was able to block it out when using the monitor’s speakers or wearing the best gaming headsets.

With that out of the way, I dug into the AG275QXL’s OSD, which is easily accessible via the nipple buttons on the rear right of the chassis or the included quick-switch keyboard. Here, you’ll find a variety of audio and visual settings, as well as various presets and finer controls for more precise adjustments to your monitor.

If you choose the AG275QXL, my advice is to leave most of the settings at their defaults, except for the “startup sound” that I mentioned earlier. You can customize your monitor’s lighting effects through this menu, but I recommend doing so through the GMenu software, which you’ll need to install anyway to take advantage of its League of Legends integration.

The AG275QXL is an excellent performer out of the box with strong color accuracy and color gamut

The reason I recommend keeping these settings is because the AG275QXL is a great performer out of the box with strong color accuracy and color gamut. In my testing, I found the monitor had an average Delta-E of 0.67 and a high of 1.03, both of which are imperceptible to the human eye. I was also impressed with how closely it fits the exact Gamma 2.2 curve with minimal deviation. It has 128% sRGB color space coverage, all of which make for a great viewing experience for SDR content.

However, the AG275QXL also supports HDR and comes with DisplayHDR 400 certification. VESA describes DisplayHDR 400 as “the first true HDR entry point”, but I don’t think that’s the case. When you buy any monitor with this badge, all you get is a monitor that can push a higher peak brightness than an SDR panel, which makes specular highlight detail like the light from the sun, torches, or gun barrels possible. You’re still limited to 16.7 million colors on an 8-bit panel, compared to over a billion on a 10-bit panel, and the lack of local dimming zones means the display simply can’t deliver the spot of intense local contrast.

While I certainly enjoy playing most of my gaming test suites, such as the HDR-enabled Doom Eternal and Elden Ring, I wouldn’t recommend anyone buying the AG275QXL due to its high dynamic range capabilities, whether for gaming or content consumption. Its specs simply don’t provide a proper HDR experience, and those looking for it will either need to increase their budgets or wait for better technology implementations to get to the lower end of the market. That said, I’d give the same recommendation for pretty much any gaming monitor at this price point, and given the AG275QXL’s SDR performance is so powerful, this amounts to a small but significant flaw.

The lights on the AG275QXL will especially excite you when you get multiple kills

Now, let’s talk about what it’s like to play League of Legends on the AG275QXL. For the most part, it’s a pretty cool experience, but not entirely without room for improvement. You will need to download AOC’s GMenu software for the monitor to activate its responsive lighting feature. Activating a mode is as easy as selecting a LoL from the Game tab and can be done before or during a match.

During most of the match, when you’re farming minions, placing guards, or mute (strike through) to communicate with your teammates, the AG275QXL’s LEDs will go into a “breathing” mode, quickly going from off to a fully bright orange- gold. However, as you complete kills, push towers, and complete objectives, the display responds to your in-game actions with a variety of colors and effects.

I spotted flashes of white light and a black trail around the base, especially the hype when I got a few kills in team fights. The same is true whenever my team and I complete several goals in quick succession, for example, the LED will briefly change to the color of the team being pushed. The display also confirms when you reach level 6, 11 or 18, and players will know when you typically increase the power of your strongest abilities.

While enjoying these dynamic interactions, I really wish AOC had some control over these effects through its GMenu software. For example, I’m tempted to change the default breathing mode to static or completely off, as I find it very distracting at times (especially in a dark room). I also appreciate the ability to change colors depending on which hero I’m using, swapping out golden orange for a void-worthy violet, Bilgewater blue, or a sickly shade of green reminiscent of Shadow Isles.

I really wish AOC had some control over these effects via their GMenu software

While I appreciate that gaming-integrated customization in competing software like Razer Synapse or Corsair iCue isn’t really a thing, the AG275QXL really makes me wish it was. Also, to my disappointment, there is no way to sync AOC peripherals (such as a gaming keyboard or mouse) with the monitor when the monitor is in LoL mode. All in all, I think this feature is great, but I end up wondering why Riot Games and AOC didn’t implement this feature on the peripheral.

At $480, the AOC Agon Pro AG275QXL League of Legends Edition gaming monitor isn’t a huge premium, and its appeal ultimately depends on how much you play the titular MOBA and whether its lighting features appeal to you more than the higher specs. For me, I’d probably pay another $20 and go for the LG 27GP850-B with a Nano IPS panel or the Gigabyte M27Q-X with a 240Hz refresh rate. Or, you can ditch HDR entirely and save $80 on the MSI Optix MAG274QRF-QD.

The dynamic lighting features create an undeniably unique selling point for the AOC Agon Pro AG275QXL League of Legends Edition gaming monitor, but I don’t think they’re strong enough to recommend their competitors. To be clear, I think anyone who chooses it will be happy with their purchase, but it’s hard to ignore the higher-value options on offer in this competitive gaming monitor market.

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Kirsten Bennett
Kirsten is a passionate writer who loves games, and one day he decided to combine the two. She is now professionally writing niche articles about Consoles and hardware .