Efficiency: Optimizing The Clock Rate Of AMD's Phenom II X6

Test Setup And Overclocking Table

System Hardware
Performance Benchmarks
Motherboard (Socket AM3)Asus Crosshair IV Formula (Rev. 1.0)
Chipset: AMD 890FX, BIOS: 0505 (04/02/2010)
Motherboard (LGA 1366)Intel DX58SO (Rev. 1.0)
Chipset: Intel X58, BIOS: 5000 (02/16/2010)
Motherboard (LGA 1156)Gigabyte P55A-UD7 (Rev. 1.0)
Chipset: P55, BIOS: F4
CPU AMD IAMD Phenom II X6 1090T (45 nm, 3.2 GHz, 6 x 512KB L2 and 6MB L3 Cache, TDP 125W, Rev. C3)
CPU AMD IIAMD Phenom II X4 965 (45 nm, 3.4 GHz, 4 x 512KB L2 and 6MB L3 Cache, TDP 125W, Rev. C3)
CPU Intel IIntel Core i7-975 Extreme (45 nm, 3.33 GHz, 4 x 256KB L2 and 8MB L3 Cache, TDP 130W, Rev. D0)
CPU Intel IIIntel Core i7-980X Extreme (32 nm, 3.33 GHz, 6 x 256KB L2 and 12MB L3 Cache, TDP 130W)
CPU Intel IIIIntel Core i5-750 (45 nm, 2.66 GHz, 4 x 256KB L2 and 8MB L3 Cache, TDP 95W, Rev. B1)
DDR3 Memory3 x 2GB DDR3-1600 (Corsair TR3X6G-1600C8D 8-8-8-24)
GraphicsSapphire Radeon HD 5850
GPU: Cypress (725 MHz), Graphics RAM: 1,024MB GDDR5 (2,000 MT/s), Stream Processors: 1,440
Hard DriveWestern Digital VelociRaptor, 300GB (WD3000HLFS)
10,000 RPM, SATA 3Gb/s, 16MB Cache
Power SupplyPC Power & Cooling, Silencer 750EPS12V 750W
System Software & Drivers
Operating SystemWindows Ultimate x64
Updated on 2010-03-03
Drivers and Settings
Intel Chipset DriversChipset Installation Utility Ver.
Intel Storage DriversMatrix Storage Drivers Ver. 8.​9.​0.​1023


Audio Benchmarks and Settings
Audio CD ("Terminator II" SE), 53 min.
Convert to AAC audio format
Lame MP3
Version 3.98.3
Audio CD "Terminator II SE", 53 min.
convert WAV to MP3 audio format
Command: -b 160 --nores (160 Kbps)
Video Benchmarks and Settings
Handbrake CLI
Version: 0.94
Video: Big Buck Bunny (720x480, 23.972 frames) 5 Minutes
Audio: Dolby Digital, 48000 Hz, 6-channel, English
Video: AVC1 Audio1: AC3 Audio2: AAC (High Profile)
Mainconcept Reference v2
MPEG-2 to H.264
MainConcept H.264/AVC Codec
28 sec. HDTV 1920x1080 (MPEG-2)
MPEG-2 (44.1 kHz, 2-channel, 16-bit, 224 Kbps)
Codec: H.264 Pro
Mode: PAL 50i (25 FPS)
Profile: H.264 BD HDMV
Application Benchmarks and Settings
7-ZipVersion 9.1 beta
Syntax "a -t7z -r -m0=LZMA2 -mx=5"
Benchmark: 2010-THG-Workload
Version 3.92
Syntax "winrar a -r -m3"
Benchmark: 2010-THG-Workload
Winzip 14
Version 14.0 Pro (8652)
WinZip Commandline Version 3
Syntax "-a -ez -p -r"
Benchmark: 2010-THG-Workload
Autodesk 3ds Max 2010Version: 10 x64
Rendering Space Flyby Mentalray (SPECapc_3dsmax9)
Frame: 248
Resolution: 1440 x 1080
Cinebench 11.5
Version 11.5 Build CB25720DEMO
CPU Test single and multi threaded
Adobe Photoshop CS 4 (64-Bit)Version: 11
Filtering a 16MB TIF (15000x7266)
Radial Blur (Amount: 10; Method: zoom; Quality: good)
Shape Blur (Radius: 46 px; custom shape: Trademark sysmbol)
Median (Radius: 1px)
Polar Coordinates (Rectangular to Polar)
Adobe Acrobat 9 Professional
Version: 9.0.0 (Extended)
== Printing Preferenced Menu ==
Default Settings: Standard
== Adobe PDF Security - Edit Menu ==
Encrypt all documents (128-bit RC4)
Open Password: 123
Permissions Password: 321
Microsoft Powerpoint 2007
Version: 2007 SP2
Powerpoint Document (115 Pages)
Adobe PDF-Printer
Fritz Chess Benchmark Version 4.3.2
Synthetic Benchmarks and Settings
3DMark VantageVersion: 1.02 Patch 1901
Options: Performance
Graphics Test 1
Graphics Test 2
CPU Test 1
CPU Test 2
PCMark VantageVersion: Patch 1901
PCMark Benchmark
Memories Benchmark
SiSoftware Sandra 2010Version: 2010.1.16.10
Processor Arithmetic, Cryptography, Memory Bandwith

Overclocking Table

AMD Phenom II X6 1090T3,200 MHz3,400 MHz3,600 MHz3,800 MHz4,000 MHz
Turbo (three cores)18x19x20x20x-
Base Frequency200 MHz200 MHz200 MHz200 MHz200 MHz
Turbo COREYesYesYesYesNo
System Idle Power83W83W85W85W125W
System Peak Power201W207W232W271W445W
CPU-Z VT idle1.212V1.212V1.212V1.212V1.56V
CPU-Z VT load1.248V1.248V1.272V1.404V1.596V
Overclocking TechniqueAMD OverDriveBIOS