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CPU Intel P4 840 D P4 820 D P4 630 P4 640 P4 650 P4 660 P4 670 AMD Athlon64 3500+ 3700+ 3800+ 4000+ X2-3800+ X2-4200+ X2-4400+ X2-4600+ X2-4800+ 1-Way Opteron Opteron 144 Opteron 146 Opteron 148 Opteron 150 Opteron 152 2-Way Opteron Opteron 240 Opteron 242 Opteron 244 Opteron 246 Opteron 248 Opteron 250 Opteron 252 2-Way Dual Core Opteron Opteron 270 Opteron 275 nVidia GF 7800GT GF 6800GT GF 6600GT ATI R X850 XT PE R X850 XT R X800 XT PE R X800 XT R X800 XL Memory Corsair Crucial Kingston Mushkin OCZ |
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| DDR-II Roundup The State of the Art | |
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(Review by John Cook, May 19, 2005) |
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256 MB OCZ Low Latency DDR (I) Starting at: |
Everest Home Memory Read
Everest Home is a freeware program that has really caught the attention of the enthusiast community. In particular, the memory read and latency benchmarks seem to be particularly popular. In the Memory Read benchmark, we see the Crucial Ballistix at 280Mhz fsb and 3:4 ram divider leading the class despite giving up a few MHz of speed. The Mushkin comes in second, followed closely by the Corsair PC5400Pro. The PDP despite coming in first in Sandra, comes in fourth place.

Everest Home Latency
Every Home Latency test is something the Athlon64 crowd has embraced with both arms. Certainly, it’s been established that tighter latency on the Athlon64 platform produces superior results, everything else being equal. That statement has been similar on the Pentium4 DDR platforms to an extent, yet the Pentium4 seems to be more forgiving of loose latency with less penalties incurred. The Latency portion of this test provides a good measure of how increasing ram frequency while using looser timings effect overall memory latency. As you know, increasing ram frequency while holding the same timings will decrease latency secondary to the added frequency itself which is a benefit. However, when trading timings for frequency, there comes a point on many platforms where the compromise in timings doesn’t justify the return in frequency. I like to use this benchmark as a quick and dirty gauge to determine if the timings for frequency trade is prudent. That said, what we see is that in correlation to the findings in Sandra and Everest, the Crucial Ballistix running at 280 4:4:4:12 is able to best all other modules, again despite a 5MHz deficit on fsb. Of note, the vanilla Ballistix or non-Tracer DIMMs are double sided (whereas all other modules tested are single sided), which adds the benefit of keeping twice the number of pages open at any given time. The Mushkin and PDP running at 285 fsb 3:4 divider come in a close second and third respectively.

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OCZ 2 x 512 MB PC2-4200 DDR2 RAM |
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