vdpau
video-cpu-usage v1.1.0 (Graphics Benchmarks)
This is a test profile that will record the CPU usage while a 1080p H.264 video sample of Big Buck Bunny is played back for several minutes using MPlayer.
System Hardware
vdpau
Processor: AMD Athlon XP 3000+ @ 2.18GHz (Total Cores: 1), Motherboard: American Megatrends K7S41GX, Chipset: SiS, Memory: 1001MB, Disk: 160GB Seagate ST3160021A, Graphics: GeForce FX 5500/AGP/SSE/3DNOW! 128MB (200/400MHz)
System Software
vdpau
OS: Ubuntu 10.10, Kernel: 2.6.35-25-generic (i686), Desktop: GNOME 2.32.0, Display Server: X.Org Server 1.9.0, Display Driver: nvidia 173.14.28, OpenGL: 2.1.2, Compiler: GCC 4.4.5, File-System: ext2/ext3, Screen Resolution: 1440x900
Additional Details
vdpau
Test Administrator: isabel
Test Date/Time: 2011-02-12 15:43:58
Phoronix Test Suite: v2.8.0
Test Notes:
Compiz and Firefox were running on this system.
Test Results
1080p H.264 Video Playback
Video Decoding: VDPAU

Compare these results against your Linux PC. Run phoronix-test-suite benchmark anon-19566-17960-27944 and wait for the results (with comparative numbers) to appear. It's as easy as that!
Global ID: anon-19566-17960-27944