OK - so I compared them all. Tried to make some pictures but I've got only phone camera and the results wasn't really representative. I try to describe everything.Round 1 - Acer XB270HU vs Asus ROG PG279Q
I unpacked Acer first and run it as single monitor - my biggest fear was IPS glow but it was almost untracable!!! Contrast still not comparable to my VA, but with completly black screen picture was very even. So I fall imediatly to love with it, because every other aspect I was looking for was there (size, speed, 144Hz, color reproduction etc). But after some time I noticed, that white color is little bit yellowis. I do not have colorimeter and I use only OSD to adjust the monitor. But whatever I tried, white color always seems little bit yellow. So I unpacked Asus a run it side by side (I've got only 1 DP on my card, so Asus was on DP and Acer goes to HDMI). Result:
- Asus has nice and even white - no yellow tint, no nothing - very good result
- then I noticed, that Acer has more yellow tint on the left side of the monitor, which is tracable on all colors - so - backlight bleed on my sampler
- Asus has more obvious IPS glow - but only noticable in bottom right corner. very good result but Acer is winner here (with almost NO IPS glow!!!)
- I find out (only with side by side comparision) that Acer has grainy coating - definitely much noticable (worse) than Asus
- Asus has much better overal built quality (stand, back of the monitor, used materials etc) and much better OSD (Acer has really awefull OSD and everytime I changed something in color tab (gamma, color temp etc) - brightness goes back to 75)
- again - I do not have colorimeter, but to naked eye, Asus has more vibrant colors. All of them, but red was most obvious.
- Acer's screen is reflecting in bezel (OMG)
- Asus has better contrast (still not comparable to EIZO FG2421, but waaaaaaaaay much better than my old IPS DELL U2711)
So. For me Asus is winner in almost all aspects except IPS glow, which is still pretty decent. Definitely not so obvious as on my old DELL. I've got probably bad sample of Acer (because of the bleed on the left side) but I read about yellowish tint somewhere else, so it can be more common. And grainy coating, reflecting bezel, wrong OSD and worse build quality will be presented on all samples.Round 2 - Asus ROG PG279Q vs DELL SG
DELL was faulty
Displaying just some lines and squares, so unable to compare.
Round 3 - Asus ROG PG279Q vs Acer XB321HK
OK - this is not a fair fight
Even tough 5 more inches doesn't seems like much it's like comparing two different devices. Monitor vs TV. I thought that 10 more cm to the side will be the sweet spot, but it's really too much. And what is even worse - it's useless.
- if the web browser is full screeen 70% of the screen is not used. On most pages you see just one column in the middle of the monitor. Picture result on google is nice, but there are too much pictures on the screen and if you are looking for specific one you'll probably miss it.
- in fact - if any kind of app is full screen, it's not just useless, it's even worse than on 27" because the controls are positioned not naturally
- if you do not change DPI you have either sit too close and constantly turning your head, or too far and cannot read anything
Gaming experience - again - IMHO useless:
- FPS games - you cannot sit too close, because you will not be able to read HUD - and if you sit little bit further, perception is like with 27"
- strategy (I tested on endless space) - I can see the whole galaxy with no need of scrolling
BUT - to be able to read something I have to look on screen from 40, max 50cm and instead of scrolling I have to move my whole head/body - it's not even enough to simply turn your head
- racing - I thought that this would be amazing... ok - it's probably better than on 27" but definitely not worth the lost of 144hz, higher price etc.
For me - this simply isn't working. I cannot see much difference in clarity of screen during gaming and on desktop with 100% DPI everything is too small. I'd suggest this monitor only to heavy multitasking users.
Quick comparison with ROG:
- colors are the same
- IPS glow is bad on Acer (just like on the picture from p0Pe) - deffinitely not as good as on 270 on which IPS glow was almost nonexisting
- contrast is the same
- coating on Acer is much better than on 270, but still grainier than on Asus
- white is more neutral than on 270 (definitely no yellow tint) but still warmer than on Asus (I tried a lot of settings and the Acer feels always little bit warmer)
- screen is still reflecting in bezel (but not as much as on 270) (Asus has no reflection)
- OSD is still ****ty
At the end I'll probably keep the ROG. But I have few more days, so I will use all 3 monitors and maybe update my results.
@enkay: I do not have colorimeter, nor am I pro who can judge with naked aye, so I can't tell if it's suitable for semi-pro editing. But I'm gamer and always looking for biggest immersion possible and as much I was looking forward to 32" I cannot suggest it for gaming. Don't get me wrong - gaming on this screen is awesome! but it's not worth the price tag, lost of 144hz and rendering power penalty for 4K. And the impression is most in "peripheral vision". If you would like to use the whole screen (looking on some HUD) you have to sit little bit further and that's not the point. And as for clarity - during the game, you can barely see if the monitor is on native 4k or interpolating to 2560x1440. Yes - you can see this, but it's not as big difference as I was expecting. You can really play with 2560x1440, but again - 27" with 144HZ will be much better.Edited by curio124 - 6/20/16 at 3:49pm