Intel Sandy Bridge VA-API With 1 Core
Intel Sandy Bridge VA-API vs. X-Video, other GPUs, and NVIDIA VDPAU. With this testing, the system was limited from the BIOS so that only a single core was enabled. Other Phoronx result file is for normal, stock Sandy Bridge system.


Intel SNB VA-API: 

	Processor: Intel Core i5-2500K @ 3.30GHz (1 Core), Motherboard: Intel BLH6710H.86A.0075.2010.1112.1844, Chipset: Intel Sandy Bridge, Memory: 1792MB, Disk: 60GB OCZ-VERTEX2, Graphics: Intel Sandy Bridge IGP, Audio: Realtek ALC892, Monitor: DELL P2210H

	OS: Ubuntu 10.10, Kernel: 2.6.38-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: intel 2.14.901, OpenGL: 2.1 Mesa 7.11-devel, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1920x1080

Intel SNB X-Video: 

	Processor: Intel Core i5-2500K @ 3.30GHz (1 Core), Motherboard: Intel BLH6710H.86A.0075.2010.1112.1844, Chipset: Intel Sandy Bridge, Memory: 1792MB, Disk: 60GB OCZ-VERTEX2, Graphics: Intel Sandy Bridge IGP, Audio: Realtek ALC892, Monitor: DELL P2210H

	OS: Ubuntu 10.10, Kernel: 2.6.38-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: intel 2.14.901, OpenGL: 2.1 Mesa 7.11-devel, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1920x1080

Radeon X-Video: 

	Processor: Intel Core i5-2500K @ 3.30GHz (1 Core), Motherboard: Intel BLH6710H.86A.0075.2010.1112.1844, Chipset: Intel Sandy Bridge, Memory: 2048MB, Disk: 60GB OCZ-VERTEX2, Graphics: AMD Radeon HD 4550 (600/900MHz), Audio: Realtek ALC892, Monitor: DELL P2210H

	OS: Ubuntu 10.10, Kernel: 2.6.38-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.14.99, OpenGL: 2.1 Mesa 7.11-devel, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1920x1080

NVIDA X-Video: 

	Processor: Intel Core i5-2500K @ 3.30GHz (1 Core), Motherboard: Intel BLH6710H.86A.0075.2010.1112.1844, Chipset: Intel Sandy Bridge, Memory: 2048MB, Disk: 60GB OCZ-VERTEX2, Graphics: NVIDIA GeForce 9500 GT 1024MB (550/400MHz), Audio: Realtek ALC892

	OS: Ubuntu 10.10, Kernel: 2.6.38-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: NVIDIA 270.30, OpenGL: 3.3.0 NVIDIA 270.30, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1920x1080

NVIDIA VDPAU: 

	Processor: Intel Core i5-2500K @ 3.30GHz (1 Core), Motherboard: Intel BLH6710H.86A.0075.2010.1112.1844, Chipset: Intel Sandy Bridge, Memory: 2048MB, Disk: 60GB OCZ-VERTEX2, Graphics: NVIDIA GeForce 9500 GT 1024MB (550/400MHz), Audio: Realtek ALC892

	OS: Ubuntu 10.10, Kernel: 2.6.38-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: NVIDIA 270.30, OpenGL: 3.3.0 NVIDIA 270.30, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1920x1080


1080p H.264 Video Playback
Video Decoding: VA-API
Percent
Intel SNB VA-API . MIN: 0.0  AVG: 7.0   MAX: 19.0 


1080p H.264 Video Playback
Video Decoding: X-Video
Percent
Intel SNB X-Video . MIN: 0.0  AVG: 29.6  MAX: 56.0 
Radeon X-Video .... MIN: 0.0  AVG: 28.1  MAX: 58.6 
NVIDA X-Video ..... MIN: 0.0  AVG: 34.8  MAX: 59.0 


1080p H.264 Video Playback
Video Decoding: VDPAU
Percent
NVIDIA VDPAU . MIN: 0.0  AVG: 10.5  MAX: 37.4