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crossfire 7950 poor result..

well Ive bit the bullet.. Ive got an Asus sabertooth r2.0 board on route to me.
Ive also been wondering why my ram has been showing as running at 800mhz... ive now discovered that 1600mhz ram shows as 800mhz!!

did I ever say I was new to this?
 
It's just because DDR means Double data rate, so if something (CPU-Z)* shows you 800MHz of memory speed it means in fact it works like 1600 MHz. To getting you more confused I'd say internal RAM speed is 200 MHz, this gives you a 800 MHz bus speed (DDR3 = x4), whether 1600 MHz is real-efficiency (x2 due to that double data rate).

*You better check CPU-Z, because it's a 0.01% of chances that your memory is working @ 800 MHz effective.. as nobody knows which "showing" you meant ;)
 
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Ive changed my board to the sabertooth 990fx and ran a benchtest and im getting much the same score but its much smoother and temps are a lower and more matched.
 
biuro74 said:
It's just because DDR means Double data rate, so if something (CPU-Z)* shows you 800MHz of memory speed it means in fact it works like 1600 MHz. To getting you more confused I'd say internal RAM speed is 200 MHz, this gives you a 800 MHz bus speed (DDR3 = x4), whether 1600 MHz is real-efficiency (x2 due to that double data rate).

*You better check CPU-Z, because it's a 0.01% of chances that your memory is working @ 800 MHz effective.. as nobody knows which "showing" you meant ;)
Click to expand...
yip it is cpu-z thats telling me 800Mhz
 
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