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DDR2-667 Test Mode

Now we will see how the DDR2 SDRAM modules behave at 667MHz frequency. OCZ PC2 4200 Enhanced Bandwidth Platinum memory couldn’t work at this frequency with its default timings, so we had to manually select 5-5-5-12 timings for it.

Synthetic tests come first:

 

Corsair CM2X512-5300C4PRO

GEIL PC2-5300

OCZ PC2 4200 EB Platinum

OCZ PC2 4300

PQI25400

ScienceMark 2.0

Memory Bandwidth, MB/s

5470

5432

5415

5349

5413

Memory Latency, cycles

283

293

294

294

293

Memory Latency, ns

80.75

83.6

83.89

83.89

83.6

SiSoft Sandra 2005

RAM Int Buffered Bandwidth, MB/s

6009

5992

6036

5859

5994

RAM Float Buffered Bandwidth, MB/s

5992

6006

6020

5854

5998

RAM Int Unbuffered Bandwidth, MB/s

5196

5103

5109

4650

5102

RAM Float Unbuffered Bandwidth, MB/s

5195

5108

5105

4651

5104

The Corsair CM2X512-5300C4PRO memory seems to be overall the best in this test, although the OCZ PC2 4200 Enhanced Bandwidth Platinum has the best result in the memory bandwidth test of SiSoft Sandra 2005 with enabled memory prefetch and buffering.

And here are the results in real applications:

Corsair’s CM2X512-5300C4PRO modules provide the highest performance at 667MHz frequency. The sticks from GeIL and PQI have good results against the competitors, too.

 
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