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StephenCampbell

macrumors 65816
Original poster
Sep 21, 2009
1,043
54
So I decided to try out that 4K Elysium trailer on my new iMac, and to my surprise it could not keep up the framerate in QuickTime Player 7.

I understand QuickTime 7 is inefficient, but this is Apple's current top-of-the-line desktop machine. It stuttered in places trying to play it. New, high-end machines should not stutter with anything.

It does play fine in QuickTime Player X, but it just seems weird that it couldn't handle it in 7. The new Mac Pro will be able to.

Also, the way Activity Monitor reads the CPU is weird. It's as if it's seeing eight cores. When QuickTime 7 showed around 100% CPU being used, the numbers down below that show "user" and "idle" had user at right around 12.5%, not 25%. What's with that? And why can't QuickTime 7 use more CPU if it needs to?
 
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