Undervolting Your Phenom II And Core 2 Processors

Test Setup

System Hardware
AMD Phenom II X4 955 (45 nm, 3.2 GHz, 4x 512 KB L2 and 6 MB L3 Cache, TDP 125 W, Rev. C2)
CPU Intel
Intel Core 2 Extreme QX9650 (45 nm, 3.0 GHz, 12 MB L2 Cache, TDP 130 W, Rev. D0)
Motherboard (socket 775)
MSI P45D3 Neo-F (Rev. 1.0)
Chipset: Intel P45, ICH10R
BIOS: 4.2 (02/18/2009)
Motherboard (Socket AM3)
MSI 790FX-GD70 (Rev. 1.0)
Chipset: AMD 790FX, SB750
BIOS: 1.3 (04/01/2009)
RAM DDR3 (Tripple)
2 x 2 GB DDR3-1600 (Corsair TR3X6G-1600C8D 8-8-8-24)
Zotac Geforce GTX 260²
GPU: Geforce GTX 260 (576 MHz)
Graphics RAM: 896 MB DDR3 (1998 MHz)
Stream Processors: 216
Shader Clock: 1242 MHz
Hard Drive
Western Digital VelociRaptor, 300 GB (WD3000HLFS) 10,000 RPM, SATA/300, 16 MB Cache
Blu-Ray Drive
Power Supply
PC Power & Cooling, Silencer 750EPS12V 750W
AMD Software and Drivers
Operating System
Windows Vista Enterprise Version 6.0 x64 Service Pack 2 (Build 6000)
Drivers and Settings
AMD Chipset Drivers
Catalyst 9.4
Nvidia GeForce Driver
GeForce 185.85
Intel Chipset Drivers
Chipset Installation Utility Ver.
Intel Storage Drivers
Matrix Storage Drivers Ver.
Benchmarks and Settings
PCMark Vantage
Version: 1.00
PCMark Benchmark
Prime 95
Version: 25.7
In-place large FFTs