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Intel Core i7 920 Nehalem 2.66GHz Processor Review

Intel Core i7 920 Nehalem 2.66GHz Processor Review - PCSTATS
Abstract: If you're a computer enthusiast, you're likely already familiar with Intel's Core i7 processors, which have been widely hailed as the fastest desktop processors available on the market today. Introduced at the end of 2008, Intel's newest desktop processors are finally maturing and becoming more accessible in the market. It's time to take a look a fresh look at the Core i7 processor.
 95% Rating:   
Filed under: CPU / Processors Published:  Author: 
External Mfg. Website: Intel Aug 15 2009   Julian Apong  
Home > Reviews > CPU / Processors > Intel Core i7 920

32-Bit CPU Synthetic Benchmarks: SiSoft Sandra Processor & Memory

SiSoft Sandra 2009 - Processor Source: Sandra

Sandra is designed to test the theoretical power of a complete system and individual components. The numbers taken though are again, purely theoretical and may not represent real world performance.

Higher results are best.

PCSTATS Benchmark ReportSiSoft Sandra 2009 v15.72 - Processor
Processor Arithmetic Dhrystone ALU: GIPS Ranking
Intel Core i7 920 68.25
Intel Core 2 Duo E8500 24.86
Intel Core 2 Duo E8400 23.56
AMD Phenom II X4 955 Black Edition 43.7
AMD Phenom II X3 720 Black Edition (DDR2) 28.64
AMD Phenom II X3 720 Black Edition (DDR3) 28.7
AMD Phenom II X2 550 Black Edition 21.26
AMD Athlon II X2 250 20.52
Processor Arithmetic Whetstone iSSE3: Gflops Ranking
Intel Core i7 920 60.22
Intel Core 2 Duo E8500 23.41
Intel Core 2 Duo E8400 22.17
AMD Phenom II X4 955 Black Edition 42.17
AMD Phenom II X3 720 Black Edition (DDR2) 27.64
AMD Phenom II X3 720 Black Edition (DDR3) 27.9
AMD Phenom II X2 550 Black Edition 20.47
AMD Athlon II X2 250 19.81
Processor Multi-Media Int x8 iSSE3: Mpixels/s Ranking
Intel Core i7 920 119.35
Intel Core 2 Duo E8500 57.08
Intel Core 2 Duo E8400 54.17
AMD Phenom II X4 955 Black Edition 125.63
AMD Phenom II X3 720 Black Edition (DDR2) 81.85
AMD Phenom II X3 720 Black Edition (DDR3) 81.92
AMD Phenom II X2 550 Black Edition 59.87
AMD Athlon II X2 250 57.93
Processor Multi-Media Float x4 iSSE2: Mpixels/s Ranking
Intel Core i7 920 95.4
Intel Core 2 Duo E8500 32.83
Intel Core 2 Duo E8400 31.22
AMD Phenom II X4 955 Black Edition 55
AMD Phenom II X3 720 Black Edition (DDR2) 36.04
AMD Phenom II X3 720 Black Edition (DDR3) 36.08
AMD Phenom II X2 550 Black Edition 26.67
AMD Athlon II X2 250 25.8
Processor Multi-Media Float x2 iSSE2: Mpixels/s Ranking
Intel Core i7 920 49.63
Intel Core 2 Duo E8500 16.63
Intel Core 2 Duo E8400 15.76
AMD Phenom II X4 955 Black Edition 29.99
AMD Phenom II X3 720 Black Edition (DDR2) 19.68
AMD Phenom II X3 720 Black Edition (DDR3) 19.68
AMD Phenom II X2 550 Black Edition 14.54
AMD Athlon II X2 250 14.07

SiSoft Sandra's straight CPU number crunching realy highlights the architectural prowess of the Core i7 920. It's fantastic at heavy-duty mathematical operations, and when they're in healthy supply it opens up a huger performance lead over the Phenom 955BE.

SiSoft Sandra 2009 - Memory Source: Sandra

Sandra is designed to test the theoretical power of a complete system and individual components. The numbers taken though are again, purely theoretical and may not represent real world performance.

Higher bandwidth and lower latencies are best.

PCSTATS Benchmark ReportSiSoft Sandra 2009 v15.72 - Memory
Multicore Efficiency Bandwidth: GB/s Ranking
Intel Core i7 920 30.51
Intel Core 2 Duo E8500 9.57
Intel Core 2 Duo E8400 9.11
AMD Phenom II X4 955 Black Edition 4.75
AMD Phenom II X3 720 Black Edition (DDR2) 3.67
AMD Phenom II X3 720 Black Edition (DDR3) 3.72
AMD Phenom II X2 550 Black Edition 3.86
AMD Athlon II X2 250 3.06
Multicore Efficiency Latency: ns Ranking
Intel Core i7 920 17
Intel Core 2 Duo E8500 42
Intel Core 2 Duo E8400 44
AMD Phenom II X4 955 Black Edition 89
AMD Phenom II X3 720 Black Edition (DDR2) 83
AMD Phenom II X3 720 Black Edition (DDR3) 80
AMD Phenom II X2 550 Black Edition 103
AMD Athlon II X2 250 91
Memory Bandwidth Int iSSE2: GB/s Ranking
Intel Core i7 920 18.86
Intel Core 2 Duo E8500 6.77
Intel Core 2 Duo E8400 7.26
AMD Phenom II X4 955 Black Edition 12.18
AMD Phenom II X3 720 Black Edition (DDR2) 11.38
AMD Phenom II X3 720 Black Edition (DDR3) 11.45
AMD Phenom II X2 550 Black Edition 10.3
AMD Athlon II X2 250 10.25
Memory Bandwidth Float iSSE2: GB/s Ranking
Intel Core i7 920 18.86
Intel Core 2 Duo E8500 6.65
Intel Core 2 Duo E8400 7.27
AMD Phenom II X4 955 Black Edition 12.17
AMD Phenom II X3 720 Black Edition (DDR2) 11.41
AMD Phenom II X3 720 Black Edition (DDR3) 11.42
AMD Phenom II X2 550 Black Edition 10.26
AMD Athlon II X2 250 10.25
Memory Latency (Random): ns Ranking
Intel Core i7 920 81
Intel Core 2 Duo E8500 86
Intel Core 2 Duo E8400 77
AMD Phenom II X4 955 Black Edition 83
AMD Phenom II X3 720 Black Edition (DDR2) 82
AMD Phenom II X3 720 Black Edition (DDR3) 84
AMD Phenom II X2 550 Black Edition 87
AMD Athlon II X2 250 85
Memory Latency (Linear): ns Ranking
Intel Core i7 920 9
Intel Core 2 Duo E8500 12
Intel Core 2 Duo E8400 11
AMD Phenom II X4 955 Black Edition 15
AMD Phenom II X3 720 Black Edition (DDR2) 14
AMD Phenom II X3 720 Black Edition (DDR3) 15
AMD Phenom II X2 550 Black Edition 16
AMD Athlon II X2 250 15

High-speed triple channel DDR3 memory make for some huge bandwidth numbers for the Core i7 920, and the on-board memory controller cuts memory latency to incredibly low levels. This is another easy win for the Core i7.

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Contents of Article: Intel Core i7 920
 Pg 1.  Intel Core i7 920 Nehalem 2.66GHz Processor Review
 Pg 2.  Intel Core i7 Technology
 Pg 3.  CPU Power Consumption Tests
 Pg 4.  Overclocking Nahalem - eight cores, new architecture
 Pg 5.  32-bit CPU System Benchmarks: SYSMark 2007, PCMark Vantage
 Pg 6.  — 32-Bit CPU Synthetic Benchmarks: SiSoft Sandra Processor & Memory
 Pg 7.  32-Bit CPU Calculation Benchmarks: Super Pi, wPrime2.0
 Pg 8.  32-Bit CPU Calculation Benchmarks: ScienceMark2.3, WinRAR
 Pg 9.  32-Bit CPU Rendering Benchmarks: Cinebench R10, Bibble 5
 Pg 10.  32-Bit CPU Rendering Benchmarks: POV-Ray, 3.7, SPECviewPerf 10
 Pg 11.  32-Bit CPU Synthetic Gaming Benchmarks: 3DMark Vantage, 3DMark 06
 Pg 12.  32-Bit CPU Gaming Benchmarks: Crysis, FEAR
 Pg 13.  lots of power, is it what you want?

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