OCZ DDR2 memory group test

Author: Richard Swinburne
Published: 16th July 2007
Comments (12) Stumble

Memory Bandwidth


Unbuffered Memory Performance

Sisoft Sandra Unbuffered Memory Test

  • OCZ DDR2 PC2-6400 SLI-Ready Edition (800MHz Low Latency)
  • OCZ DDR2 PC2-6400 SLI-Ready Edition (800MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (800MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (800MHz)
  • Kingston HyperX KHX9600D2K2/2G (800MHz)
  • Corsair CM2X1024-9136C5D (800MHz)
  • Corsair CM2X1024-10000C5D (800MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (1066MHz)
  • Corsair CM2X1024-9136C5D (1142MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (1151MHz)
  • OCZ DDR2 PC2-6400 SLI-Ready Edition (1156MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (1178MHz)
  • Kingston HyperX KHX9600D2K2/2G (1200MHz)
  • Corsair CM2X1024-9136C5D (1200MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (1210MHz)
  • Kingston HyperX KHX9600D2K2/2G (1232MHz)
  • Corsair CM2X1024-10000C5D (1250MHz)
  • 5184
  • 4820
  • 4821
  • 5188
  • 5274
  • 5027
  • 5133
  • 5012
  • 5152
  • 5038
  • 5046
  • 4943
  • 4953
  • 5179
  • 4961
  • 4995
  • 5291
0
1000
2000
3000
4000
5000
MB/s

Everest Memory Read Test

Everest Memory Read Test

  • OCZ DDR2 PC2-6400 SLI-Ready Edition (800MHz Low Latency)
  • OCZ DDR2 PC2-6400 SLI-Ready Edition (800MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (800MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (800MHz)
  • Kingston HyperX KHX9600D2K2/2G (800MHz)
  • Corsair CM2X1024-9136C5D (800MHz)
  • Corsair CM2X1024-10000C5D (800MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (1066MHz)
  • Corsair CM2X1024-9136C5D (1142MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (1151MHz)
  • OCZ DDR2 PC2-6400 SLI-Ready Edition (1156MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (1178MHz)
  • Kingston HyperX KHX9600D2K2/2G (1200MHz)
  • Corsair CM2X1024-9136C5D (1200MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (1210MHz)
  • Kingston HyperX KHX9600D2K2/2G (1232MHz)
  • Corsair CM2X1024-10000C5D (1250MHz)
  • 7340
  • 7273
  • 7371
  • 7842
  • 7854
  • 7574
  • 7639
  • 7187
  • 7182
  • 7193
  • 7118
  • 7158
  • 7236
  • 7208
  • 7309
  • 7342
  • 7405
0
1000
2000
3000
4000
5000
6000
7000
8000
MB/s

Everest Memory Write Test

Everest Memory Write Test

  • OCZ DDR2 PC2-6400 SLI-Ready Edition (800MHz Low Latency)
  • OCZ DDR2 PC2-6400 SLI-Ready Edition (800MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (800MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (800MHz)
  • Kingston HyperX KHX9600D2K2/2G (800MHz)
  • Corsair CM2X1024-9136C5D (800MHz)
  • Corsair CM2X1024-10000C5D (800MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (1066MHz)
  • Corsair CM2X1024-9136C5D (1142MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (1151MHz)
  • OCZ DDR2 PC2-6400 SLI-Ready Edition (1156MHz)
  • OCZ DDR2 PC2-8500 Reaper HPC Edition (1178MHz)
  • Kingston HyperX KHX9600D2K2/2G (1200MHz)
  • Corsair CM2X1024-9136C5D (1200MHz)
  • OCZ DDR2 PC2-9200 FlexXLC Edition (1210MHz)
  • Kingston HyperX KHX9600D2K2/2G (1232MHz)
  • Corsair CM2X1024-10000C5D (1250MHz)
  • 2160
  • 2079
  • 2124
  • 2542
  • 2585
  • 2294
  • 2206
  • 2276
  • 2355
  • 2354
  • 2368
  • 2314
  • 2466
  • 2474
  • 2357
  • 2489
  • 2497
0
500
1000
1500
2000
2500
MB/s

The write speed of the 9200 FlexXLC at 800MHz low latency is appreciable to the Kingston memory and both are far larger than the Corsair offerings. Even overclocked to CAS-3 we couldn't get the SLI Ready Edition modules to do 1T, which means it drops some core bandwidth to the other modules also running low latencies. It's only a fraction faster than the CAS-4/1T EPP settings but both perform less then the rest of the field in raw bandwidth testing.

As the clock frequency increases along with the timings, there's a gentle progression towards a larger bandwidth in Everest, but nothing out performs the modules at ultra low latency 800MHz.

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