Core i7-2600K Overclocked: Speed Meets Efficiency

Test Setup And Benchmark Settings

Socket LGA 1155 Platform
Socket LGA1155 PlatformGigabyte P67A-UD5 (Rev 1.0), Chipset: Intel P67, BIOS: F6a (2011-01-11)
LGA1156 ProcessorsIntel Core i7-2600K (32 nm, Sandy Bridge, D2 stepping), 4C/8T, 3.4 GHz, 4 x 256 KB L2 Cache, 8 MB L3 Cache, w/ HD Graphics 3000, 95 W TDP, 3.8 GHz max. Turbo Boost
Common Platform Components
Dual DDR3 Memory2 x 4 GB DDR3-2133 @ 1333 MT/s, G.Skill F3-17066CL9D-8GBXLD
Discrete GraphicsSapphire Radeon HD 5850, GPU: Cypress (725 MHz), Graphics RAM: 1024 MB GDDR5 (2000 MHz),  Stream Processors: 1440
Hard DriveWestern Digital VelociRaptor (WD3000HLFS), 300 GB, 10 000 RPM, SATA 3Gb/s, 16 MB Cache
Power SupplyPC Power & Cooling, Silencer 750EPS12V 750 W
System Software & Drivers
Operating SystemWindows 7 Ultimate x64, fully updated on 2010-07-29
Drivers and Settings
AMD Radeon DriversAMD Catalyst 10.12 Suite for Windows 7
Intel Graphics DriversDriver Release
Intel Chipset DriversChipset Installation Utility Ver.

The Gigabyte GA-P67A-UD5 provides lots of overclocking options and did a great job for us during testing.

G.Skill provides a pair of its Ripjaws DDR3 DIMMs, which are capable of up to DDR3-2133 speeds.

Benchmark Settings

3D Games Benchmarks and Settings
Audio Benchmarks and Settings
Audio CD ("Terminator II" SE), 53 min.
Convert to AAC audio format
Lame MP3Version 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 CLIVersion: 0.94
Video: Big Buck Bunny (720x480, 23.972 frames) 5 Minutes
Audio: Dolby Digital, 48000 Hz, 6-Kanal, English, to Video: AVC1 Audio1: AC3 Audio2: AAC (High Profile)
MainConcept Reference v2Version:
MPEG2 to H.264
MainConcept H.264/AVC Codec
28 sec HDTV 1920x1080 (MPEG2)
MPEG2 (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
WinRARVersion 3.92
RAR, Syntax "winrar a -r -m3", Benchmark: 2010-THG-Workload
WinZip 14Version 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
Adobe After Effects CS5Create Video which includes 3 Streams
Frames: 210
Render Multiple Frames Simultaneosly: on
Adobe Photoshop CS5 (64-Bit)Version: 11
Filtering a 16 MB TIF (15000x7266)
Radial Blur (Amount: 10; Method: zoom; Quality: good)
Shape Blur (Radius: 46 px; custom shape: Trademark symbol)
Median (Radius: 1px)
Polar Coordinates (Rectangular to Polar)
Adobe Acrobat 9 ProfessionalVersion: 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 2007Version: 2007 SP2
Powerpoint Document (115 Pages)
Adobe PDF-Printer