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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Joe NYC who wrote (115683)	6/13/2000 1:26:00 AM
From: Scumbria	Read Replies (3) \| Respond to of 1572190

Joe, If you compare BX chipset with other chipsets, you get a difference of a full speed grade on many tests. And this is just comparing off chip North bridges. Since there is no BX equivalent on the market in Intel world, I don't think 1 to 2 speedgrades are unreasonable for on chip North Bridge, compared to Via Apollo 133A or 820 / 840. The advantage the BX carries is lots of research into the algorithms used. This can make a huge difference in the ratio of page hits vs. page misses, and thus a large difference in latency. All that an on-chip memory controller does for you is to reduce latency by a few clocks, so there is less impact on performance. The MediaGX takes great advantage of the on-chip SDRAM controller, but this is greatly amplified by a small L1 cache and no L2 cache, which results in a large number of DRAM accesses. Scumbria