- Intel Pentium 4 Processor @ 2.40 GHz
- Iwill P4R533-N Motherboard or Intel D850MVSE Motherboard
- 4 x 128 MB Samsung PC800 RDRAM or 4 x 128 MB Samsung PC1066 RDRAM
- nVidia GeForce 2 GTS 64MB
- Maxtor DiamondMax Plus 60
- Creative Labs SoundBlaster Live! Value
- SMC EtherPower 10/100 NIC
- LG 40x IDE CDROM
- Enermax EG465P-VE
All benchmarks were executed three times, and the results averaged. A word of the wise - look at the following graphs for the sake of interest only. We very strongly feel that far too much emphasis is placed on the performance of motherboards nowadays. Performance should be one of the very last criteria used to judge the value of a motherboard, if at all. Far too often performance is used to value a board as opposed to component quality or design. Make sure a board is stable and well-built first, then worry about finding one that's 1% faster.
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As expected, Cachemem's memory bandwidth tests illustrate that PC1066 RDRAM is able to significantly outperform the slower PC800 variety. It should be noted, as well, that the bus efficiency at the two speeds remains virtually unchanged. Increasing to PC1066 speeds causes only a 3% drop in read efficiency, and the 850E chipset actually increases write efficiency versus the 850.
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We were somewhat surprised by the huge decrease in latency when moving to PC1066 speeds. It's likely that the faster 40ns core access time of the PC1066 is factoring in here, although this does appear to be a much greater difference than logic would dictate.
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ScienceMark is a benchmark we've been using increasingly often here at Hardware Analysis. As we've seen in the past, it is primarily dependent on brute force CPU power, and fluctuates little with FSB or memory speeds. Naturally, there's little to no difference here. ScienceMark is also very indicative of typical scientific programs - something to consider when building a system.