Intel Core i7 - 965/920 - architecture and performance

Published by Jean-Luc Hadey on 03.11.08
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Synthetic benchmarks - SiSoftSandra

Sisoft Sandra XIIc CPU-Arithmetik Drystone Benchmarks, results in MIPS (million instructions per second)
Intel Core I7-965 Extreme Edition,3.2 GHz79'280
Inel Core I7-920, 2.66 GHz66'460
Intel Core2 Quad Extreme Q9650, 3.0 GHz55'781
Intel Core2 Dual E8600, 3.3 GHz30'983
Intel Core2 Dual E7200, 2.53 GHz23'544

more is better



Sisoft Sandra XIIc CPU-Arithmetik Whetstone Benchmarks, results in MFLOPS (million floating point operations per second)
Intel Core I7-965 Extr. Edition, 3.2 GHz 68'850
Intel Core I7-920, 2.66 GHz 58'170
Intel Core2 Quad Extreme Q9650, 3.0 GHz39'859
Intel Core2 Dual E8600, 3.3 GHz22'544
Intel Core2 Dual E7200, 2.53 GHz17'183

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In SiSoftSandra Core i7 is up to 72 percent faster than its predecessor.


Sisoft Sandra XIIc Memory Bandwidth Integer, results in MB/s
Intel Core I7-965 Extr. Edition, 3.2 GHz18'150
Intel Core I7-920, 2.66 GHz17'010
Intel Core2 Quad Extreme Q9650, 3.0 GHz7'412
Intel Core2 Dual E8600, 3.3 GHz7'332
Intel Core2 Dual E7200, 2.53 GHz5'990

more is better



Sisoft Sandra XIIc Memory Bandwidth Fliesskomma, results in MB/s
Intel Core I7-965 Extr. Edition, 3.2 GHz 18'260
Intel Core I7-920, 2.66 GHz 17'090
Intel Core2 Quad Extreme Q9650, 3.0 GHz7'354
Intel Core2 Dual E8600, 3.3 GHz7'305
Intel Core2 Dual E7200, 2.53 GHz6'023

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Even more drastic is the performance increase in memory bandwidth: A massive 248 percent.


Sisoft Sandra XIIc CPU-Multimedia Fliesskomma Benchmarks, results in MPixel/s
Intel Core I7-965 Extr. Edition,3 .2 GHz130.02
Intel Core I7-920, 2.66 GHz 109.22
Intel Core2 Quad Extreme Q9650, 3.0 GHz95.20
Intel Core2 Dual E8600, 3.3 GHz59.98
Intel Core2 Dual E7200, 2.53 GHz6.57

more is better



Sisoft Sandra XIIc CPU-Multimedia Integer Benchmarks, results in MPixel/s
Intel Core I7-965 Extr. Edition, 3.2 GHz168.11
Intel Core I7-920, 2.66 GHz141.08
Intel Core2 Quad Extreme Q9650, 3.0 GHz135.17
Intel Core2 Dual E8600, 3.3 GHz75.25
Intel Core2 Dual E7200, 2.53 GHz6.61

more is better


Also in the multimedia benchmarks Nehalem is up to 37 percent faster.






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Intel Core i7 - 965/920 - architecture and performance - CPUs Reviews - Reviews - ocaholic