AMD challenges Pentium 4 with Double Data Rate



Advanced Micro Devices (AMD) has stepped up its efforts in the chip war against rival Intel with the launch of its new chipset that allows computer...



Advanced Micro Devices (AMD) has stepped up its efforts in the chip war against rival Intel with the launch of its new chipset that allows computer manufacturers to adopt faster memory for PCs, writes Daniel Thomas.

The 760 chipset enables computer makers to connect AMD's Athlon processor with Double Data Rate (DDR) DRam, a faster version of SDram.

DDR should help solve the problem of the memory bus bottleneck - where the CPU is capable of running much faster than the memory and chipset, which means that it frequently has to wait for data to get through. DDR helps ease the problem because it runs at 200MHz or 266MHz - twice as fast as standard memory. The 760 chipset will run at the same level.

Intel is due to release its 1.4GHz and 1.5 GHz Pentium 4 processors later this month, with the accompanying chipset running at 400MHz. Although Pentium 4 is likely to work with DDR DRam eventually, initially it will only be paired with the more expensive Rambus memory.

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