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Undervolting Your Phenom II And Core 2 Processors

Test Setup

System Hardware
HardwareDetails
CPU AMDAMD Phenom II X4 955 (45 nm, 3.2 GHz, 4x 512 KB L2 and 6 MB L3 Cache, TDP 125 W, Rev. C2)
CPU IntelIntel 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)
GraphicsZotac Geforce GTX 260² GPU: Geforce GTX 260 (576 MHz) Graphics RAM: 896 MB DDR3 (1998 MHz) Stream Processors: 216 Shader Clock: 1242 MHz
Hard DriveWestern Digital VelociRaptor, 300 GB (WD3000HLFS) 10,000 RPM, SATA/300, 16 MB Cache
Blu-Ray DriveLG GGW-H20L, SATA/150
Power SupplyPC Power & Cooling, Silencer 750EPS12V 750W
AMD Software and Drivers
Operating SystemWindows Vista Enterprise Version 6.0 x64 Service Pack 2 (Build 6000)
Drivers and Settings
AMD Chipset DriversCatalyst 9.4
Nvidia GeForce DriverGeForce 185.85
Intel Chipset DriversChipset Installation Utility Ver. 9.1.0.1012
Intel Storage DriversMatrix Storage Drivers Ver. 8.8.0.1009
Benchmarks and Settings
PCMark VantageVersion: 1.00 PCMark Benchmark
Prime 95Version: 25.7 In-place large FFTs