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Monday, January 30, 2006
OCZ DDR2 PC2-4200 Gold GX XTC Dual Channel

4. PCMark05

PCMark05 is an application-based benchmark and a premium tool for measuring overall PC performance. It uses portions of real applications instead of including very large applications or using specifically created code. This allows PCMark05 to be a smaller installation as well as to report very accurate results. As far as possible, PCMark05 uses public domain applications whose source code can be freely examined by any user.

PCMark05 includes 4 categorized suites for benchmarking your computer. These include CPU, Graphics, Memory and a Hard Disk Drive benchmark. In our case, we selected to run only the Memory test suite.

Slightly better performance with the lower timings. See how many PCMarks difference there is between the normal 533/3-3-3-12 and the overclocked settings of 701/4-4-4-12. This is more noticeable in the following table.

PCMark05 Memory Test SPD 533 600 701
Memory Read 16MB (MB/s) 6075.582 6205.491 7014.274 7958.627
Memory Read 8MB (MB/s) 6406.421 6577.926 7413.110 8396.770
Memory Read 192KB (MB/s) 25150.959 25245.230 30179.357 33071.785
Memory Read 4KB (MB/s) 42078.898 42235.941 50629.973 54825.168
Memory Write 16MB (MB/s) 4017.910 4039.432 4815.410 5244.419
Memory Write 8MB (MB/s) 4024.651 4036.327 4816.421 5294.441
Memory Write 192KB (MB/s) 10761.424 10798.358 12930.479 14183.286
Memory Write 4KB (MB/s) 10815.565 10817.952 12978.836 14255.510
Memory Copy 16MB (MB/s) 4330.231 4535.864 4882.204 5650.584
Memory Copy 8MB (MB/s) 4332.603 4496.229 4683.905 5396.824
Memory Copy 192KB (MB/s) 8973.796 8983.383 10733.932 11791.171
Memory Copy 4KB (MB/s) 10792.621 10804.696 12968.026 14199.596
Memory Latency 16MB (MAccesses/s) 8.802 9.844 9.899 11.420
Memory Latency 8MB (MAccesses/s) 9.317 10.607 10.569 12.017
Memory Latency 192KB (MAccesses/s) 136.394 136.872 163.976 179.660
Memory Latency 4KB (MAccesses/s) 799.481 802.304 961.221 1053.108

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