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is this normal...

P

Pelu

Golden Member
hey ... i was wondering why a duel channel 800 memory gives in sisoft benchmark 9.81GB/s with 71% efficiency... I ask because my best guess is two 6400 will be around 12800... 12.80GB/s

if u add the 29% of efficiency missing to 9.81 it will give around a 12.xxx number...

is this an anormally that needs correction or all fine... u cant get more transfer from dual channel at this memories...

by the way is in a K9A78-T board with 2 corsair memories... dont remember which ones, vista 32, and unganged memories... phenom one processor...
 
Dual channel mode works by placing ram in slots (#1 and #3), or (#2 and #4), or (#1,2,3,4). They should be RAM chips of the same capacity and speed, preferably brand, and most preferably the same kit (tested together). Enable dual channel mode on your BIOS (usually enabled by default) and then you're good to go.

As for your benchmarks, who gives a crap. It's a benchmark.
 
Originally posted by: Pelu
if u add the 29% of efficiency missing to 9.81 it will give around a 12.xxx number...
Click to expand...
Bingo! Efficiency takes a hit when using dual channel no matter the implementation, but total bandwidth doubles, so you still come out ahead.

 
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