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+--- Thread: 21.5 iMac GeForce 9400 - Refresh Rate (/thread-8671.html)
21.5 iMac GeForce 9400 - Refresh Rate - SethWillits - Feb 23, 2011 02:11 PM
Anyone have a 21.5" iMac with GeForce 9400 10.6.6? Playing this movie I only get about ~30 fps playback according to Quartz Debug. CVDisplayLink callbacks also go at only ~30 fps. What gives? Anyone know if this GPU is really that sad that it can only muster 30 fps?
http://www.sethwillits.com/temp/60fpsMovie.mov
RE: 21.5 iMac GeForce 9400 - Refresh Rate - PowerMacX - Feb 23, 2011 06:39 PM
That's really odd, I get 60 fps on my 1st gen MacBook (Intel GMA 950, Core Duo)
RE: 21.5 iMac GeForce 9400 - Refresh Rate - OneSadCookie - Feb 23, 2011 07:38 PM
I get 60Hz according to Quartz Debug playing that movie on my 9400M (Mid 2009 13" MBP, on the 24" ACD. 10.6.6)
RE: 21.5 iMac GeForce 9400 - Refresh Rate - SethWillits - Feb 24, 2011 02:26 PM
Well this is very odd.
I tried googling to find if this was a known problem, but I just get a bunch of noise. I really need to find someone with the same hardware.