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TEST METHODOLOGY
Test Setup:
- AMD
Phenom II X3 720 Black Edition processor - 2.8GHz, 45nm, 95W
- Asus
M4A785TD-V EVO - AMD 785G chipset, ATX motherboard (BIOS 0211)
- MSI
785GM-E65 - AMD 785G chipset, mATX motherboard (BIOS V2.2B2)
- Xigmatek HDT-SD964
CPU cooler
- Corsair
XMS3 memory 2x2GB, DDR3-1600 @ 1333MHz, 9-9-9-24
- Seagate
Momentus 5400.6 notebook hard drive - 500 GB, 5400RPM, 8MB
cache (Asus M4A785TD-V EVO)
- Hitachi
5K500 notebook hard drive - 500GB, 5400RPM, 8MB cache (MSI
785GM-E65)
- Asus
BC-1205PT Blu-ray drive - SATA
- Seasonic
SS-400ET ATX power supply
- Microsoft
Windows Vista SP1 operating system - Home Premium, 32-bit
- ATI
Catalyst 9.6 graphics driver
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Asus M4A785TD-V EVO device listing.
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MSI 785GM-E65 device listing.
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Measurement and Analysis Tools
- CPU-Z
to monitor CPU frequency and voltage.
- CPUBurn
K7
processor stress software.
- Prime95
processor stress software.
- FurMark
stability test to stress the integrated GPU.
- Cyberlink
PowerDVD to play video.
- SpeedFan
to monitor temperature and fan speeds.
- Seasonic
Power Angel AC power meter, used to measure the power consumption
of the system.
- Custom-built, four-channel variable DC power supply, used to regulate
the CPU fan speed.
Our main test procedure is designed to determine the overall system power consumption
at various states (measured using a Seasonic Power Angel). To stress CPUs we
use either Prime95 (large FFTs setting) or CPUBurn K7 depending on which produces
higher system power consumption. To stress the IGP, we use FurMark, an OpenGL
benchmarking and stability testing utility. Power consumption during playback
of high definition video is also recorded.
Our main video test suite features a variety of 1080p H.264/VC-1 encoded clips.
The clips are played with PowerDVD and a CPU usage graph is created by the Windows
Task Manger for analysis to determine the approximate mean CPU usage. High CPU
usage is indicative of poor video decoding ability on the part of the integrated
graphics subsystem. If the video (and/or audio) skips or freezes, we conclude
the board's IGP (in conjunction with the processor) is inadequate to decompress
the clip properly.
Cool'n'Quiet was enabled (unless otherwise noted). The following features/services
were disabled during testing to prevent spikes in CPU/HDD usage that are typical
of fresh Vista installations:
- Windows Sidebar
- Indexing
- Superfetch
Video Test Suite
1080p | 24fps | ~10mbps |
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1080p | 24fps | ~8mbps |
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1080p | 24fps | ~19mbps |
VC-1: Drag Race is a recording of a scene from
network television re-encoded with TMPGEnc using the WVC1 codec, a
more demanding VC-1 codec.
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1080p | 24fps | ~33mbps |
Blu-ray: Disturbia is a short section (chapter
4) of the Blu-ray version of Disturbia, the motion picture, played
directly off the Blu-ray disc. It is encoded with H.264/AVC.
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