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Dual xeon 2643 vs i5-2400

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  • Dual xeon 2643 vs i5-2400

    Hello. I have a dual Xeon 2643 @ 3.3 GHz and a core i5-2400 @ 3.1 GHz. I get the following scores for the two in Memory Mark and CPU Mark.

    Can anyone explain why the i5-2400 is just as good as the 2643 in Memory Mark ? The i5-2400 is using 4x4 GB Kingston DDR3-10600 and the Xeon 2643 is using 4x8 GB Hynix DDR3-12800.

    2643
    Memory Mark: 2174
    Databse Operations: 65.2
    Read Cached: 24874
    Read Uncached: 10876
    Write: 8452
    Latency: 36.1
    Threaded: 24057

    i5-2400
    Memory Mark: 2240
    Databse Operations: 76.9
    Read Cached: 23899
    Read Uncached: 12159
    Write: 8482
    Latency: 26.2
    Threaded: 17825

    2643
    CPU Mark: 14093
    Integer Math: 29677
    Floating Point Math: 13772
    Prime Numbers: 44.0
    Extended Instructions: 83.7
    Compression: 22582
    Encryption: 3163
    Physics: 768
    Sorting: 13674
    Single Threaded 1869

    i5-2400
    CPU Mark: 6244
    Integer Math: 8308
    Floating Point Math: 6593
    Prime Numbers: 24.5
    Extended Instructions: 22.5
    Compression: 7784
    Encryption: 1036
    Physics: 391.4
    Sorting: 4865
    Single Threaded 1805

  • #2
    The results are only 3% different. So it isn't dramatic. Very small percentage differences tend to be harder to explain.

    Maybe the Xeon is using ECC RAM?

    Did you check the timings in BIOS?

    Are they both running dual channel?

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