Acer XB273 Review – Confusing Name, Confusing Features

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This is the Acer XB273, a 27” gaming monitor that you can get in around 10 different configurations, many sharing the same name. I have the GX version, which means this is a 1080p 240Hz IPS panel. It’s G-SYNC Compatible, but despite clearly having esports gaming in mind, it also boasts a sticker right next to the G-SYNC one saying it has a Delta E of under 2. So, who is this for?

The obvious answer is gamers, ones who want an ultra-high refresh rate. Now it is a 27” 1080p panel which I’m not the biggest fan on, the pixels are pretty visible here, enough to make it less of a crisp experience. I suppose it may be a tradeoff some CSGO mains might prefer to help make enemies physically bigger than on a 24” monitor, but still maintain ludicrously high frame rates thanks to rendering at 1080p instead of 1440p.

Playing some CSGO on it felt pretty good, the 240Hz refresh rate definitely makes it buttery smooth. As always I can’t say I can tell the difference between 240Hz and 144Hz to the eye, but it still feels good and knowing I’m getting to see new frames 3ms faster is a nice bonus. I did find I missed a few shots, like at the double doors on Dust, where reaction time is king. On the whole it was a decent experience, although I can’t say it truly blew me away.

If you are wondering about the response time, Acer quotes it as 1ms, but I’m not fully convinced. It’s definitely fast, but not quite that fast. On the “Normal” overdrive setting, you get around 1 and a half frames of ghosting behind the UFO. That’s enough to make it a great in game experience, if not quite perfect. With overdrive set to “Off” there doesn’t seem to be all that much of a difference. It’s perhaps a tiny bit slower to draw the new frame, but it’s not a massive difference. But if you stick it to “Extreme”, well it lives up to the name. It has noticeable overshoot, see the literal white ghost trail behind the UFO here? It does however speed up the panel considerably, as the cost of inverse ghosting which I find more distracting so I’d leave it on “Normal” personally.

As for input lag, that’s a strange one. Testing with my time sleuth over HDMI it had a pretty abysmal 6.7ms result – for context the Aorus FI27Q-X, a 1440p 240Hz IPS monitor ran just 2.3ms, and AOC’s new 24G2ZU 1080p 240Hz IPS 24” monitor ran lightning fast at 1.2ms. Now I’ve had some weird results from the time sleuth before, which is why I also record the total system or click to photon latency with NVIDIA’s LDAT. Reported an average of 36ms, which itself isn’t so bad, but it was painfully inconsistent. You can see here some shots took just 13.79ms, but others took over 70ms.

I ran this multiple times and only got worse results, with 42ms and 54ms average, with the worst peak at over 93ms and pretty nasty sawtooth results with it going from 30ms to over 90ms then back to 30ms. Again, for context, here is what the AOC 24G2ZU results looked like. Much more consistent with only 15ms spread between slowest and fastest. Or to compare it better, this XB273 has a standard deviation of 23 on the worst run, or 15.8 on the best, where the 24G2ZU is just 5.7.

So it’s ok for gamers, but not perfect. So, it’s for gamers who also video or photo edit, right? I mean they are actively marketing it as a monitor with a delta E of less than two, meaning it’s perfectly accurate to the eye, so it must strike that balance well! Not really, it only covers 96% of the sRGB spectrum, and around 80% of the DCI P3 spectrum, and while it is accurate to the sRGB colour space out the box it’s far from the most impressive 27” gaming monitor I’ve tested.

That also glosses over the resolution, editing on a 1080p panel isn’t impossible obviously, but I can tell you from personal experience that editing on 1440p or 4K, especially for higher resolution content, is much better. It’s much more crisp and high quality, compared to the lower pixel density of this.

In fact, for the £400 this is listed for at the moment, I can think of a number of other monitors I’d rather buy instead – including options from Acer themselves. The VG271UP is a 27” 1440p 144Hz IPS option, which sure doesn’t have the nice fully adjustable stand this one does, or the fancy foot that pivots like a pointer as the display moves left to right, but it is a high resolution panel with much better colour space coverage with well over 100% of the sRGB spectrum and 95% of DCI P3, all for £130 less. If you want to strike the balance between gaming and productivity, that, or Gigabyte’s M27Q are much better options for that, and if you want the best ultra high refresh rate experience, the AOC 24G2ZU, or even the Acer XB253QGX which has the same stand, on screen menu and everything, it’s just a 25” panel instead.

For me, this is a pretty confusing monitor. Not just because the XB273 name applies to monitors that are 1080p, 1440p, and 4K, and range from 144Hz to 240Hz, but also because it seems to just be a list of features that don’t really add up to a good experience or match anyone’s actual needs. If it was the 1440p 240Hz version, I could understand, or the 25” 1080p 240Hz version again I’d get it, but this 1080p 27” 240Hz version that boasts great colour accuracy on under 100% of sRGB, and it’s relatively slow on input lag.. I just.. I don’t get it. If you do, please enlighten me in the comments below because I’d love to understand.