CALROG.COM: DDR-333 Memory on the Horizon

DDR-333 Memory on the Horizon
By C. Rogers, 10.01

Slated for release in Q1 2002, a new standard in DDR-SDRAM will become released. Running on a double-pumped 166 MHz bus, DDR-333 memory will become the superior choice of memory for Athlon-based motherboards.

Based on a 184-pin design, DDR-333 will still differ in design from the 168-pin configuration of PC100/133 SDRAM.. While many believe that running data on both edges of a clock cycle doubles the performance of DDR memory, a 333 MHz bus this is just a theoretical limit. But performance is set to open a bottleneck in performance, as the latest DDR technology, PC2100, only addresses data at 2.1 GB/sec. Likewise, DDR-333 memory should allow up to 3.2 GB/sec of data transfer, mirroring the limits of PC800 RDRAM.

DDR-333 memory will still be cheaper to produce than RDRAM, which currently still costs 3 times as much as conventional SDRAM.

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