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Your desktop that you're using to post this is likely using GPU acceleration to composite your windows. Not having GPU acceleration for graphics is a killer with today's HiDPI displays. The CPU generally can't keep up, and even when it technically can it is extremely power inefficient.

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By the way, I am reading and replying not using desktop, but using Android phone :-)

But you are right -- modern desktops are using a GPU heavily. For worse or best(10-15 years ago everything worked without GPU help and compositors. Was not as fancy looking).

P.S. I like how HN works on mobile. And how lightweight it is. Made by real hacker wizards, of long lost arcane knowledge of the webcraft!

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