Bulldozer prices leaked

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Khato

Golden Member
Jul 15, 2001
1,248
321
136
Quick sync is not actually usable for video encoding. The quality of the encode is an absurd joke compared to the current state of the art (x264). x264 on the ultra fast preset, which is still leagues above the quality of QS, gets about 70% of the speed of QS. The anandtech test on QS was a total joke, because the software encoder they compared to was a total joke that nobody sane would ever use.

... Of course, that doesn't change the fact that Intel CPU's are the best for encoding video. Just stay away from quick sync.


Interesting comparison, especially since it has some of the quick sync based transcoding result in better quality than the x264 2p ultrafast as far as the SSIM metric that they're using is concerned. Now sure, the higher quality x264 presets do result in better results, but only with corresponding speed decreases.

Really, quick sync is awesome for what it's designed to do, which is to transcode to lower resolutions quickly with minimal quality loss. Sure it won't look quite as good as a high quality x264 preset, but since the primary reason to transcode is to reduce resolution, does it really have to?
 

Ben90

Platinum Member
Jun 14, 2009
2,866
3
0

From this and the before graph, the q9550 would do better than any of these processors. This is why you cannot pick a single benchmarks to try to prove points.
 
Mar 11, 2004
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