Good article again, Wesley. Pity its not DDR500 at 2-2-2. I'm still holding off upgrading. I wouldnt trust that VIA chipset with the Corsair RAM. Plenty of people run their memory outside SPD specs withot problems. And don't give up on the i875 yet. There's a lot of issues with DDR2 and 915/925. I notice that ABIT have brought out a Sckt775 865 mobo. Hmm I wonder why?
Also the P4/i875 seems to equal or better the S939 a64 in unbuffered sandra which I wouldnt have expected because of the on die a64 mem. controller etc.. Then in the buffered test the a64 clearly gets the upper hand which again is a suprise as many of the buffers are associated with MMX/SSE/SSE2 where the a64s are supposed to be weaker. I only trust the unbufferd tests but this may explain the fact that the FX chips beat the P4s on memory bandwidth but were behind on the bandwidth intensive encoding tests.
In the one test (Samsung mem.) where you test the a64 at different bus speeds (200&240MHz), the gaming results were equal or worse in the game tests despite an ~85 increase in mem. bandwidth ! Unfortunately you had different memory timings but it reinforces the importance of latency reduction rather than bandwidth for gaming performance.
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Pumpkinierre - Tuesday, June 15, 2004 - link
Good article again, Wesley. Pity its not DDR500 at 2-2-2. I'm still holding off upgrading. I wouldnt trust that VIA chipset with the Corsair RAM. Plenty of people run their memory outside SPD specs withot problems. And don't give up on the i875 yet. There's a lot of issues with DDR2 and 915/925. I notice that ABIT have brought out a Sckt775 865 mobo. Hmm I wonder why?Also the P4/i875 seems to equal or better the S939 a64 in unbuffered sandra which I wouldnt have expected because of the on die a64 mem. controller etc.. Then in the buffered test the a64 clearly gets the upper hand which again is a suprise as many of the buffers are associated with MMX/SSE/SSE2 where the a64s are supposed to be weaker. I only trust the unbufferd tests but this may explain the fact that the FX chips beat the P4s on memory bandwidth but were behind on the bandwidth intensive encoding tests.
In the one test (Samsung mem.) where you test the a64 at different bus speeds (200&240MHz), the gaming results were equal or worse in the game tests despite an ~85 increase in mem. bandwidth ! Unfortunately you had different memory timings but it reinforces the importance of latency reduction rather than bandwidth for gaming performance.