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Intel Lynnfield Memory Performance Analysis

Published on 2nd November 2009 by Richard Swinburne

SiSoftware Sandra Lite 2009 SP3 Home Professional

Website: Sisoftware

SiSoft Sandra Memory Bandwidth

  • 1,600MHz CL9
  • 1,600MHz CL8
  • 1,600MHz CL7
  • 1,600MHz CL6
  • 2,000MHz CL9
  • 2,000MHz CL8
  • 2,000MHz CL7
    • 19584
    • 19795
    • 20003
    • 20178
    • 23933
    • 24273
    • 24576
0
5000
10000
15000
20000
25000
MB/s
  • MB/s

SiSoft Sandra Memory Bandwidth

  • 1,800MHz CL9
  • 1,800MHz CL8
  • 1,800MHz CL7
  • 2,133MHz CL9
  • 2,133MHz CL8
    • 21687
    • 22001
    • 22356
    • 25018
    • 25509
0
5000
10000
15000
20000
25000
MB/s
  • MB/s

Again we see a similar clear trend with Sisoft Sandra, although the increased bandwidth with reducing latency and increasing frequency is not as heavily pronounced as in Everest.

SiSoft Sandra Memory Latency

  • 1,600MHz CL9
  • 1,600MHz CL8
  • 1,600MHz CL7
  • 1,600MHz CL6
  • 2,000MHz CL9
  • 2,000MHz CL8
  • 2,000MHz CL7
    • 59
    • 56
    • 53
    • 51
    • 53
    • 50
    • 48
0
10
20
30
40
50
60
nanoseconds
  • nanoseconds

SiSoft Sandra Memory Latency

  • 1,800MHz CL9
  • 1,800MHz CL8
  • 1,800MHz CL7
  • 2,133MHz CL9
  • 2,133MHz CL8
    • 57
    • 55
    • 52
    • 53
    • 50
0
10
20
30
40
50
60
nanoseconds
  • nanoseconds

The latency reduction is almost identical to the decline Everest showed.

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