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The CPU/GPUs keep getting faster but this idiotic PPI race is forcing manufactures to cheat so they can appear faster than the previous generation. On a 5" display anything over 720p is overkill.

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A number of benchmarks have an "off-screen" mode with fixed-resolution rendering specifically to avoid native resolution artefacts. That provides both the absolute hardware power in comparison to other devices and the device's "feeling", how its hardware meshes together (aka if it has enough power to drive its own screen). The second one is arguably the more important one wrt user experience and the ability to actually use the device.

GLBenchmark has both onscreen and offscreen modes, and Anandtech posts both every time.

If Apple moves to a 5" screen or something close next year, I'm sure they'll double up the resolution again to 2272x1280. That could force Android OEM's to think they need to go to 2560x1440 now, to be higher than Apple, but I agree that would be silly.

It could help devices like Oculus Rift, though, and it could also lead to 4k displays on 10-12" tablets and notebooks faster than otherwise ("only" 2x the pixels from the current resolutions for 10" tablets).

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