Intel Core i7-975 Extreme And i7-950 Reviewed

Test Setup And Benchmarks

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Test Hardware
ProcessorsIntel Core i7-975 Extreme (Bloomfield) 3.33 GHz, LGA 1366, 6.4 GT/s QPI, 8 MB L3, Power-savings enabled
Row 1 - Cell 0 Intel Core i7-965 Extreme (Bloomfield) 3.2 GHz, LGA 1366, 6.4 GT/s QPI, 8 MB L3, Power-savings enabled
Row 2 - Cell 0 Intel Core i7-950 (Bloomfield) 3.06 GHz, LGA 1366, 4.8 GT/s QPI, 8 MB L3, Power-savings enabled
Row 3 - Cell 0 Intel Core i7-920 (Bloomfield) 2.66 GHz, LGA 1366, 4.8 GT/s QPI, 8 MB L3, Power-savings enabled
Row 4 - Cell 0 Intel Core 2 Extreme QX9770 (Yorkfield) 3.2 GHz, LGA 775, 1,600 MHz FSB, 12 MB L2, Power-savings enabled
Row 5 - Cell 0 AMD Phenom II X4 955 (Deneb) 3.2 GHz, Socket AM3, 4 GT/s HyperTransport, 6 MB L3, Power-savings enabled
MotherboardsAsus P6T (LGA 1366) X58/ICH10R, BIOS 0603
Row 7 - Cell 0 Intel DX48BT2 (LGA 775) X48/ICH10R, BIOS 1902
Row 8 - Cell 0 Asus M4A79T Deluxe (AM3) 790FX/SB750, BIOS 1103
MemoryCorsair 4 GB (2 x 2 GB) DDR3-1600 8-8-8-24 @ DDR3-1333
Row 10 - Cell 0 Corsair 6 GB (3 x 2 GB) DDR3-1600 8-8-8-24 @ DDR3-1333
Hard DriveWestern Digital VelociRaptor WD3000GLFS 300 GB 10,000 RPM SATA 3 Gb/s
GraphicsZotac GeForce GTX 260 Core 216 896 MB
Power SupplyCooler Master UCP 1100W
System Software And Drivers
Operating SystemWindows Vista Ultimate Edition x64, Service Pack 1
DirectXDirectX 10
Platform DriverCatalyst 9.5
Row 18 - Cell 0 Intel INF Chipset Update Utility 9.1.0.1012
Graphics DriverGeForce 185.85
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Benchmarks and Settings
3D Games
Stalker: Clear SkyQuality settings set to high, 1920x1200/1680x1050, Benchmark tool, average of all four scenarios
Far Cry 2Quality settings set to high, 1920x1200/1680x1050, latest Steam version, in-game benchmark (Ranch medium).
Left 4 DeadQuality settings set to max, 1920x1200/1680x1050, latest Steam version, timed demo.
H.A.W.X.High Quality Setting, vsync off, 1680x1050/1920x1200, DirectX 10, Ambient Occlusion: High, Patch 1.2
Grand Theft Auto 4Quality settings set to high, Anisotropic filtering: "High," 1920x1200/1680x1050, Patch 1.3, Built-in benchmark.
Audio Encoding
iTunesVersion: 8.1.0.52, Audio CD ("Terminator II" SE), 53 min., Default format AAC
Lame MP3Version: 3.98 (64-bit), Audio CD ""Terminator II" SE, 53 min, wave to MP3, 160 Kb/s
Video Encoding
TMPEG 4.6Version: 4.5.1.254, Import File: "Terminator II" SE DVD (5 Minutes), Resolution: 720x576 (PAL) 16:9
DivX 6.8.5Encoding mode: Insane Quality, Enhanced Multi-Threading, Enabled using SSE4, Quarter-pixel search
XviD 1.2.1Display encoding status=off
Mainconcept Reference 1.6.1MPEG2 to MPEG2 (H.264), MainConcept H.264/AVC Codec, 28 sec HDTV 1920x1080 (MPEG2), Audio: MPEG2 (44.1 KHz, 2 Channel, 16-Bit, 224 Kb/s), Mode: PAL (25 FPS), Profile: Tom’s Hardware Settings for Qct-Core
Applications
Autodesk 3ds Max 2009 (64-bit)Version: 2009, Rendering Dragon Image at 1920x1080 (HDTV)
WinRAR 3.90 Beta 1Version 3.90 Beta 1, Benchmark: THG-Workload (334 MB)
WinZip 12Version 12, Compression=Best, Benchmark: THG-Workload (334 MB)
Synthetic Benchmarks and Settings
3DMark VantageVersion: 1.02, GPU and CPU scores
PCMark VantageVersion: 1.00, System, Memory, Hard Disk Drive benchmarks, Windows Media Player 10.00.00.3646
SiSoftware Sandra 2009 SP3CPU Test=CPU Arithmetic/MultiMedia, Memory Test=Bandwidth Benchmark
Chris Angelini is an Editor Emeritus at Tom's Hardware US. He edits hardware reviews and covers high-profile CPU and GPU launches.