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Senior Member
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引用:
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作者Louis Lin
原來如此,感謝 
所以8bit=1byte
比如說記憶體模組位寬64bits
DDR400頻寬=400MHz*(64/8)*2(雙通)=6.4GB,對吧? |
計算過程不正確, 零分 (開個玩笑  )
DDR : double data rate
DDR400 頻寬= 200Mhz(clock) x 2(double data rate) x 64/8 (bus width) = 3.2 GB
Dual channel DDR400 頻寬 = 200Mhz(clock) x 2(double data rate) x 128/8 (bus width) = 6.4 GB |