Tom's Hardware > Forum > Graphic & Displays > ATI > Memory bandwith different in CCC and GPU Z (4850)

Memory bandwith different in CCC and GPU Z (4850)

Forum Graphic & Displays : ATI - Memory bandwith different in CCC and GPU Z (4850)

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wasil   02-21-2009 at 09:23:33 PM

hi,

I have a Gigabyte 4850 1GB factory overclocked @ 700/993 mhz. The thing is that the memory bandwidth on CCC and GPUZ comes different.

In GPU-Z its 63.6GB/s
In CCC its 59 GB/s

How can i know which is the actual one for this card? I believe that 63.6 GB/s is standard for 4850.

Thanks in advance

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meodowla   02-21-2009 at 09:28:37 PM
- 0 +

What if factory O.C cards get well only with those drivers provided by vendor...

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wasil   02-21-2009 at 09:30:50 PM
- 0 +

hmmm, i do have 9.1 installed and i think my card came with 8.9.

I havent tried 8.9 yet. Could that be the issue? But then again, wouldnt GPU-Z show the same then?

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strangestranger   02-21-2009 at 09:44:01 PM
- 0 +

As far as i know,the CCC shows the theoretical bandwidth based on default clocks whilst gpu-z reports on them as they are.

------------------------------ I'm a git, deal with it.

Antec 1200,PC Power & Cooling 750,Gigabyte DS4-x48,Intel Q9550@3.4 W/Xigmatek S1283,8GB OCZ DDR2 800,ATI 4870X2,X-FI>CA 640C amp>Tannoy R300/Senn 595's
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