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Stuttering on 1080p playback...

Last response: in Components
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August 16, 2011 11:45:09 PM

Hey guys, I have two computers, one is my every day computer equipped as follows:

Core 2 Quad Q9550
8GB RAM
Geforce GTS 450

The second one is an Optiplex 755 that I got for free from a small business I consult for who was upgrading, and it's currently equipped as follows:

Core 2 Duo E8500
3GB RAM
Geforce 9500GT

I set up XBMC on both and it works flawlessly on the Core 2 Quad, I can even fast-forward a 1080p movie at 16X and there is no visible pixelation or distortion. On the Core 2 Duo, 1080p and 720p movies will play for maybe 15 seconds, freeze on a frame, and then stutter and catch up to the current location maybe another 15 seconds later. CPU usage is maybe 20%, and just for kicks I tried swapping in 8GB of RAM to no avail. I am looking to try a more powerful graphics card next, but is there a possibility that the CPU is too weak?

Thanks in advance
August 22, 2011 7:41:12 PM

I would try to run a temperature monitoring program on it while it plays that, or even better while it does some CPU-intensive stuff. If temps are too high, try re-applying the paste.
OTOH, the GPU might be too weak for it. Also, make sure the PSU can handle the full load.
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August 23, 2011 4:12:48 AM

rapyoke said:
.............. but is there a possibility that the CPU is too weak?

Thanks in advance


not if its really at 20 percent usage. Might have a virus scanner or something interrupting the stream. Try disabling all background apps
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