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We have posted benchmarks of the P4S533 in two earlier reviews, that is, as a comparison to the AMD Thoroughbred XP2200+ and as a test system for the ATI FireGL 8800. Both reviews contain a ton of benchmarks already, so we are only briefly touching on the performance in areas that were not used in these earlier reviews.

SiSoft Sandra Memory Bandwidth

The SIS chipset is the one exception amongst current chipsets that natively supports a 200 MHz memory bus running asynchronous to the processor front side bus. A 200 MHz DDR memory interface will theoretically yield 3200 MB / sec bandwidth but, of course, there are other limitations like bus utilization that kill the bandwidth right there. Still, how much bandwidth is possible with the current DDR technology? We have seen scores of up to 3300 MBs with the new dual channel Rambus boards based on Intel's i850 chipset but how does the "budget" SIS chipset using DDR fare?

Yes, that is correct, those are scores of a DDR board, even though the system was overclocked to run at 150 MHz FSB which pushed the memory bus to 225 MHz. Not bad for the PC2100 DIMM used.

At stock setting, the numbers were naturally lower but not by that much:

SiSoft Sandra Buffered memory bandwidth as a factor of ratio and FSB setting. 133-4:5 means that the CPU FSB was running at 133 MHz with the memory bus running in 4:5 ratio, that is PC2700 mode. 4:6 means that the memory bus was running in PC3200 mode. Keep in mind that the relative increase in FSB frequencies almost doubles the increase to the memory bus frequency. (Integer bandwidth in red, Floating Point Bandwidth in blue). Those are some wicked high scores

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