I tested the VDPAU testing tool:
http://www.nvnews.net/vbulletin/showthread.php?t=133465
Results:
Code:
SURFACE GET BITS: 1130.02 M/s
SURFACE PUT BITS: 1242.95 M/s
MPEG DECODING (1920x1080): 49 pic/s <== SLOW
VC1 DECODING (1440x1080): 58 pic/s <== SLOW
MIXER WEAVE (1920x1080): 2380 frames/s
MIXER BOB (1920x1080): 4219 fields/s
MIXER TEMPORAL (1920x1080): 825 fields/s
MIXER TEMPORAL_SPATIAL (1920x1080): 306 fields/s
9800GT Low Power 512MB Linux x86_64
I think PowerMizer breaks something.