Given that the there will be exactly a 2x2 square block of pixels on the XPS 15's 3840x2160 display for each 1080p 'pixel' if the full screen resolution were set to 1920x1080, should there be much loss of quality or strange/blurry looking scaling like we see when using a non native resolution on an LCD?
One pixel is a square that will be then still represented exactly by another square. I would imagine edges between the 1080 'pixels' would be more pronounced and sharper which could make it look unnatural, but it wouldn't be a blurring loss of quality? I guess it depends on how subpixel rendering is handled.
I've seen a lot of misconception on threads about this from those not understanding the mathematics of area, and them not doubling both height and width simultaneously quadruples total area. the screen ratio is identical.
The reason I ask is because I would still like to be able to game at 1080p to make use of what will be 'alright' graphics with the 2GB 960M for a lot of games (they will at least be playable anyway), but 4k will be so useful for my 2D/3D work and just having screen real estate is a bonus.
NOTE: This won't apply to XPS 13 people who then try 1080p, as that display is 3200x1800, and that does not sub divide to 1920x1080 without pixel scaling, so I would expect poor quality results on that panel.
If you have a 3840x2160 external display, setting that to 1920x1080 should show how it will be on the XPS 15 4k. How did frames per second differ between the 2 resolutions on the same game for instance?
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1080p on XPS 15's infinityEdge 4k?
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