AMD Phenom II X4 940 and 920 CPUs

Written by Richard Swinburne

January 8, 2009 | 05:23

Tags: #2 #45nm #920 #940 #benchmarks #core #cpu #ii #oc #overclock #overclocking #perform #performance #phenom #processor #quad #result #review #soi #testing #x4

Companies: #amd

SiSoftware Sandra Lite 2009.SP1 Beta (15.42)

Website: Sisoftware

Sisoft Sandra Unbuffered Memory Test

  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 940 (4x2.93GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 920 (4x2.66GHz, 6.4GHz QPI, SMT enabled)
  • AMD Phenom II X4 (4x2.6GHz, 2.0GHz HTT)
  • AMD Phenom II X4 940 (4x3.0GHz, 1.8GHz HTT)
  • AMD Phenom II X4 920 (4x2.8GHz, 1.8GHz HTT)
  • AMD Phenom X4 9950 BE (4x2.6GHz, 2.0GHz HTT)
  • AMD Phenom X4 9850 BE (4x2.5GHz, 2.0GHz HTT)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR3)
  • AMD Athlon X3 8750 BE (3x2.4GHz, 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 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR2)
  • AMD Athlon X2 7750 BE (2x2.7GHz, 1.8GHz HTT)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR3)
    • 17493.5
    • 17411.0
    • 17206.0
    • 10899.0
    • 10664.0
    • 10642.0
    • 9246.0
    • 9245.5
    • 8994.0
    • 8899.5
    • 7958.5
    • 7547.0
    • 7536.5
    • 7503.0
    • 7209.0
    • 7126.0
    • 7068.5
    • 7040.0
    • 6992.5
    • 6588.5
    • 5769.0
    • 5544.0
0
5000
10000
15000
20000
MB/s (higher is better)
  • MB/s

Sisoft Sandra also claims the performance is significantly greater in a clock for clock comparison with the Phenom IIs and the previous generation. The new 940 and 920 CPUs aren't far behind despite the memory controller frequency drop - both are about 15 percent faster than the previous generation here.

Sisoft Sandra Random Memory Latency Test

  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR3)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 940 (4x2.93GHz, 6.4GHz QPI, SMT enabled)
  • 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 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 II X4 (4x2.6GHz, 2.0GHz HTT)
  • AMD Phenom II X4 940 (4x3.0GHz, 1.8GHz HTT)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR2)
  • AMD Phenom X4 9950 BE (4x2.6GHz, 2.0GHz HTT)
  • AMD Phenom II X4 920 (4x2.8GHz, 1.8GHz HTT)
  • AMD Phenom X4 9850 BE (4x2.5GHz, 2.0GHz HTT)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR2)
  • AMD Athlon X3 8750 BE (3x2.4GHz, 1.8GHz HTT)
  • AMD Athlon X2 7750 BE (2x2.7GHz, 1.8GHz HTT)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR3)
    • 66.0
    • 72.0
    • 74.0
    • 76.0
    • 76.0
    • 76.0
    • 77.0
    • 78.0
    • 80.0
    • 82.0
    • 82.0
    • 83.0
    • 83.0
    • 83.0
    • 84.0
    • 84.0
    • 84.0
    • 84.0
    • 85.0
    • 87.0
    • 94.0
    • 94.0
0
25
50
75
100
Nanoseconds (lower is better)
  • Nanoseconds

The latency is ever so slightly improved according to Sisoft Sandra, and it's mostly better than the DDR2 Intel solutions as well.
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