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Articles: CPU

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Again, let’s begin with the synthetic benchmarks results showing the memory bus bandwidth and memory subsystem latency:

 

FSB=200MHz

FSB=200MHz

FSB=200MHz

FSB=240MHz

DDR400
(2-2-2-10)

DDR436
(2-3-2-10)

DDR480
(2-3-3-10)

DDR480
(2-3-3-10)

ScienceMark 2.0,
Memory Bandwidth, MB/s

5628

6098

6346

6374

ScienceMark 2.0,
Memory Latency, cycles

104

96

88

88

ScienceMark 2.0,
Memory Latency, ns

43.13

39.82

36.5

36.66

SiSoft Sandra 2005,
RAM Int Buffered Bandwidth

6014

6353

6534

6510

SiSoft Sandra 2005,
RAM Float Buffered Bandwidth

5952

6268

6464

6440

Synthetic benchmarks show that as the memory frequency increases, so does its bandwidth, and the latency logically goes down. As for the results obtained for the 240MHz memory, they are about the same in both cases: when we have the nominal clock generator frequency of 200MHz and the new 5/4 divider, as well as clock generator overclocked to 240MHz and the common 1/1 divider.

Now let’s take a look at the complex benchmarks:

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