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Efficiency Explored: What's The Perfect Clock Rate For Your Core i5?

Test Platform and System Details

Test Platform: MSI P55-GD65

System Details

System Hardware
HardwareDetails
Performance Benchmarks
Motherboard (Socket LGA1156)MSI P55-GD65 (Rev. 1.0) Chipset: Intel P55, BIOS: 1.42 (09/08/2009)
CPU IntelIntel Core i5-750 (45nm, 2.66 GHz, 4 x 256KB L2 and 8MB L3 Cache, TDP 95W, Rev. B1)
RAM DDR3 (Dual)2 x 2GB DDR3-1600 (Corsair CM3X2G1600C9DHX)
GraphicsZotac Geforce GTX 260² GPU: Geforce GTX 260 (576 MHz) Graphics RAM: 896MB DDR3 (1998 MHz) Stream Processors: 216 Shader Clock: 1242 MHz
Hard DriveWestern Digital VelociRaptor, 300GB (WD3000HLFS) 10,000 RPM, SATA/300, 16MB Cache
Power SupplyPC Power & Cooling, Silencer 750EPS12V 750W
System Software and Drivers
Operating SystemWindows Vista Enterprise Version 6.0 x64 Service Pack 2 (Build 6000)
Drivers and Settings
Intel Chipset DriversChipset Installation Utility Ver. 9.1.1.1015
Intel Storage DriversMatrix Storage Drivers Ver. 8.8.0.1009
Audio Benchmarks and Settings
BenchmarksDetails
iTunesVersion: 8.1.0.52 Audio CD ("Terminator II" SE), 53 min. Convert to AAC audio format
Lame MP3Version 3.98 Audio CD "Terminator II SE", 53 min. convert WAV to MP3 audio format Command: -b 160 --nores (160 Kbps)
Video Benchmarks and Settings
BenchmarksDetails
TMPEG 4.6Version: 4.6.3.268 Video: Terminator 2 SE DVD (720x576, 16:9) 5 Minutes Audio: Dolby Digital, 48000 Hz, 6-channel, English Advanced Acoustic Engine MP3 Encoder (160 Kbps, 44.1 KHz)
DivX 6.8.5Version: 6.8.5 == Main Menu == default == Codec Menu == Encoding mode: Insane Quality Enhanced multi-threading Enabled using SSE4 Quarter-pixel search == Video Menu == Quantization: MPEG-2
XviD 1.2.1Version: 1.2.1 Other Options / Encoder Menu - Display encoding status = off
Mainconcept Reference 1.6.1Version: 1.6.1 MPEG-2 to MPEG-2 (H.264) MainConcept H.264/AVC Codec 28 sec. HDTV 1920x1080 (MPEG-2) Audio: MPEG2 (44.1 kHz, 2-channel, 16-bit, 224 Kbps) Codec: H.264 Mode: PAL (25 FPS) Profile: Settings for eight threads
Application Benchmarks and Settings
BenchmarksDetails
GriSoft AVG Anti Virus 8Version: 8.5.287 Virus base: 270.12.16/2094 Benchmark Scan: some compressed ZIP and RAR archives
Winrar 3.9Version 3.90 x64 BETA 1 Compression = Best Benchmark: THG-Workload
Winzip 12Version 12.0 (8252) WinZIP Commandline Version 3 Compression = Best Dictionary = 4096KB Benchmark: THG-Workload
Autodesk 3D Studio Max 2009Version: 9 x64 Rendering Dragon Image Resolution: 1920 x 1280 (frame 1-5)
Adobe Photoshop CS4 (64-Bit)Version: 11 Filtering a 16 MBTIF (15000x7266) Filters: 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 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 PPT to PDF Powerpoint Document (115 Pages) Adobe PDF-Printer
Deep Fritz 11Version: 11 Fritz Chess Benchmark Version 4.2