During our benchmarking sessions we used the configuration listed below. Between our benchmarking sessions the only variable device was the motherboard being tested.
 
Hardware Configuration

• BIOS version: F7 (October 12th, 2006)
• Motherboard revision: 1.0
• Processor: Core 2 Duo E6700 (2.66 GHz, 1,066 MHz FSB, 4 MB L2 memory cache).
• Cooler: Intel.
• Memory: 2 GB DDR2-1066/PC2-8500 with 5-5-5-15 timings, two Patriot PDC21G8500ELK modules (512 MB each) and two Corsair CM2X512-8500C5 modules (512 MB each).
• Hard Disk Drive: Samsung HD080HJ (SATA-300, 7,200 rpm, 8 MB buffer).
• Video Card: XFX GeForce 7950 GX2 M570 1GB DDR3 XXX (PV-T71U-ZDD9) (factory-overclocked).
• Video resolution: 1024x768x32@85Hz.
• Power Supply: Antec Neo HE 550.

Software Configuration

• Windows XP Professional installed using NTFS
• Service Pack 2
• DirectX 9.0c

Driver Versions

• nVidia video driver version : 93.71
• Intel Inf chipset driver version: 8.0.1.1002
• Marvell LAN driver: B6.0327.1
• Gigabyte SATA2 RAID (JMicron JMB363): 1.10.2.0

Used Software

• SYSmark2004 – Patch 2
• PCMark05 Professional 1.1.0
• Quake 4 – Patch 1.3

We adopted a 3% error margin. Thus differences below 3% cannot be considered relevant. In other words, products with a performance difference below 3% should be considered as having similar performance.