Skip to main content

Unstoppable: DDR400 vs. Rambus

Speed Comparison: DDR400 Vs. DDR333 Vs. DDR266, Continued

The SiSoft Sandra 2002 Pro Memory Benchmark shows the exact bandwidth of the various memory modules. However, we cannot vouch for these figures in practice.

Equal Bandwidths: DDR400 And RDRAM (PC800)

LabelNameEffective Clock RateData BusBandwidth
PC66SDRAM66 MHz64 Bit0,5 GB/s
PC100SDRAM100 MHz64 Bit0,8 GB/s
PC133SDRAM133 MHz64 Bit1,06 GB/s
PC1600DDR200100 MHz64 Bit1,6 GB/s
PC1600DDR200 Dual100 MHz2 x 64 Bit3,2 GB/s
PC2100DDR266133 MHz64 Bit2,1 GB/s
PC2100DDR266 Dual133 MHz2 x 64 Bit4,2 GB/s
PC2700DDR333166 MHz64 Bit2,7 GB/s
PC2700DDR333 Dual166 MHz2 x 64 Bit5,4 GB/s
PC3200DDR400200 MHz64 Bit3,2 GB/s
PC3200DDR400 Dual200 MHz2 x 64 Bit6,4 GB/s
PC4200DDR533266 MHz64 Bit4,2 GB/s
PC4200DDR533 Dual266 MHz2 x 64 Bit8,4 GB/s
PC800RDRAM Dual400 MHz2 x 16 Bit3,2 GB/s
PC1066RDRAM Dual533 MHz2 x 16 Bit4,2 GB/s
PC1200RDRAM Dual600 MHz2 x 16 Bit4,8 GB/s
PC800RDRAM Dual400 MHz2 x 32 Bit6,4 GB/s
PC1066RDRAM Dual533 MHz2 x 32 Bit8,4 GB/s
PC1200RDRAM Dual600 MHz2 x 32 Bit9,6 GB/s

The table above lists the theoretically possible bandwidths of the individual memory modules.