Overclocking Intel's Core i7 920

Written by Richard Swinburne

November 6, 2008 | 08:57

Tags: #920 #benchmark #bios #by #core #easy #eclipse #guide #i7 #i7-920 #overclocking #p6t #performance #result #step

Companies: #asus #intel #msi #test

SiSoftware Sandra Lite 2009.SP1 Beta (15.42)

Website: Sisoftware

Sisoft Sandra Unbuffered Memory Test

  • Core i7 920 OC (4x4GHz, 1,600MHz DDR3, 3.6GHz QPI)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, 4.8GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT disabled)
  • Core i7 940 (4x2.93GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, Turbo disabled, SMT enabled)
  • Core i7 920 (4x2.66GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, Dual Channel, SMT enabled)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR3)
  • AMD Phenom X4 9950 BE (4x2.6GHz, 2.0GHz HTT)
  • AMD Phenom X4 9850 BE (4x2.5GHz, 2.0GHz HTT)
  • AMD Phenom X4 9750 (4x2.4GHz, 1.8GHz HTT)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR2)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR3)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR2)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR2)
  • Core i7 965 (4x3.2GHz, Single Channel, SMT enabled)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR2)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR3)
    • 27509.0
    • 17493.5
    • 17433.0
    • 17421.5
    • 17411.0
    • 17409.5
    • 17206.0
    • 11642.0
    • 8994.0
    • 8775.0
    • 8752.5
    • 8340.0
    • 7958.5
    • 7547.0
    • 7536.5
    • 7503.0
    • 7209.0
    • 7126.0
    • 7068.5
    • 7040.0
    • 6992.5
    • 6602.0
    • 6588.5
    • 5544.0
0
5000
10000
15000
20000
25000
30000
MB/s (higher is better)
  • MB/s

Sisoft Sandra Random Memory Latency Test

  • Core i7 920 OC (4x4GHz, 1,600MHz DDR3, 3.6GHz QPI)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR3)
  • Core i7 965 (4x3.2GHz, Single Channel, SMT enabled)
  • Core i7 965 (4x3.2GHz, Turbo disabled, SMT enabled)
  • Core i7 965 (4x3.2GHz, 4.8GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, Dual Channel, SMT enabled)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 940 (4x2.93GHz, 6.4GHz QPI, SMT enabled)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR3)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT disabled)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR3)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR2)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR3)
  • Core i7 920 (4x2.66GHz, 6.4GHz QPI, SMT enabled)
  • AMD Phenom X4 9950 BE (4x2.6GHz, 2.0GHz HTT)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR2)
  • AMD Phenom X4 9850 BE (4x2.5GHz, 2.0GHz HTT)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR2)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR2)
  • AMD Phenom X4 9750 (4x2.4GHz, 1.8GHz HTT)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR3)
    • 61.0
    • 66.0
    • 71.0
    • 72.0
    • 72.0
    • 72.0
    • 72.0
    • 74.0
    • 76.0
    • 76.0
    • 76.0
    • 76.0
    • 77.0
    • 78.0
    • 80.0
    • 81.0
    • 83.0
    • 84.0
    • 84.0
    • 84.0
    • 84.0
    • 85.0
    • 88.0
    • 94.0
0
25
50
75
100
Nanoseconds (lower is better)
  • Nanoseconds

Likewise, Sisoft Sandra shows us a 57 percent performance increase in memory bandwidth for our overclocked Core i7 CPUs, and a drop in latency of 5ns to boot.
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