Scaling on 4k monitors

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21 Oct 2012
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I was thinking of getting a 4k monitor in the not too distant future. In my mind they were ideal:

- You get the crystal clear 'tablet and phone' quality display when dealing with photos, web browsing and general desktop work.
- Future proofing - 1 monitor normally lasts several PCs in my case.
- 3840 x 2160 is exactly twice 1080p and three times 720p. Therefore I can hook up the TiVo and play PC games at 1080p (can't afford or justify 4 Titans!!!) with no difference in quality to using a genuine 1080p screen of the same size.

My concern is that I've read some reviews that state that rather than taking the simple 'pixel quadrupling' approach to displaying 1080p content (2x2 per pixel) they use some tacky averaging algorithm that makes the image look blurred. I confirmed that manufacturers have form for this - sending a 720p signal into a 2560x1440 Hazro (2x 1280x720) results in a blurred image where as logically it should use 2x2 blocks.

Those of you who have made the leap already - have you tried using your displays for 1080p content? Does it look worse than a native 1080p display?
 
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It depends on the model. They use an interpolation process which can be 'tacky', as you say. The Dell P2415Q is the only model I've seen that displays non-native resolutions respectably. I would imagine the P2715Q does too.
 
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