4850+4830 crossfire - Page 2 - Overclock.net

ocfanboy · 09-18-09

Thanks guys, really appreciate it

can't wait to set it up Tom

T3h_Ch33z_Muncha · 09-18-09

Quote:

Originally Posted by jackeyjoe

your CF knowlege is outdated

Both can run at different speeds (and for a while too).

As for OP it will run fine and you will have more performance that a 4870. If your card has 800SP's you should flash it to a 4850 BIOS so you have increased performance

rly? so if i had 4870 1GB+4890 CF they would both run at their respective clocks (SP's are the same etc)? SWEET! So it's just when you have a 512 and a 1GB card where the faster one is brought down to the slower one's specs?

darksideleader · 09-18-09

Quote:

Originally Posted by T3h_Ch33z_Muncha

rly? so if i had 4870 1GB+4890 CF they would both run at their respective clocks (SP's are the same etc)? SWEET! So it's just when you have a 512 and a 1GB card where the faster one is brought down to the slower one's specs?

only the amount of vram will be brought down to the lower spec. Crossfire can work with different shader amounts, vram frequency and core clocks. The gpu however have to be in the same generation and class, so basically same bus width.

But no point in actually spending the extra cash on a new card with 1GB when you only got 512mb.

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4850+4830 crossfire

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