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QHD vs 4k. 27 inch monitor. Can you really tell the difference?

post #1 of 3
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So I've grown highly interested in getting a 2560x1440 monitor. Probably either the Asus MG279Q or the Acer XG270HU when either goes on sale.

My question (and its a loaded one) is for anyone who has owned both a 4k and 2560x1440 monitor- can you honestly tell the difference between the two? With tvs, from what I've read it takes atleast an 84 inch screen before the visual quality becomes appreciable over 1080p. I imagine it would be much more difficult to tell between 4k and 'QHD'. You're sitting a lot closer when it comes to a PC monitor but I still can't fathom the difference being worth it- especially considering the further increased gpu horsepower needed to push the 4k monitor.

Can anyone who has owned both chime in?
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post #2 of 3
At 27 inches you can but the difference is very minimal. Going from 1080p to 1440p has a much more noticeable improvement to image quality than going 1440p to 4k at 27 inches. And yes I have owned both.
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post #3 of 3
I don't actually "own" them, but at work I have a 4k P2715Q and a Monoprice 30" QHD next to mine that we use for monitoring stat.

I cannot tell the difference on image quality, or movie quality, (since I probably can't watch movie at work). But honestly, I don't think 4k monitor will make any noticeably visual difference on viewing image. It is largely depend on the image itself.

There is the difference when reading text on both monitors. And note that I am working on Mac, it renders and scales text different than Windows. Text on 4k monitor appear more smoothly and rounded, and text on QHD monitor is more jagged. Not as much as when you compare text on non-retina ipad to retina ipad, but it is about half of that comparison. Also, I didn't notice that difference when I switch to the 4k monitor. Only after couple months on the 4k, then switch back to my old monitor, then I can tell the difference.

One big thing about the 4k monitor is its refresh rate. If you are one of people have have the idea of monitor should be responsive, then don't go with any monitor with less than 60hz. Otherwise the experience will be painful. But those monitors are not cheap. With QHD, you barely need to care about refresh rate. Your workflow with a QHD will probably flawless, meaning you will spend most of your attention to what need to be done on the screen, rather than the appearance of the text, or the transition animation.

With the 4k monitor at 27", you are very likely scale your text to 1200p or 1440p, so there won't be any improvement on screen estate. Your main difference will be the difference of small text on your screen. If you like to look at your text appear prettier, then 4k would probably give you that joy. It won't help your task get done faster. At its best, it will only give you as equal productivity as a QHD monitor. But is has potential to get worse, depends on the power of the system you currently have.
Edited by hquang - 6/8/16 at 6:24pm
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