homestyle

So I was planning on getting a P45-U3DP board and another video card.

I was gonna pop my current 4850 into the x8 slot and put a high end 4870 1GB card in the x16 slot.

How much of an increase would I see?


If I opt instead for dual 4850 512 MB, how much of an increase would I see?

daellum67

if you run crossfire on that board, both slots will be x8 slots.

its probably a better choice to just get another 4850 unless you plan on replacing your current 4850 with a more powerful card later (dual or tri 4870's)

SyncMaster753

both cards will be 8x PCIe 2.0 for each card, so the slot will not bottleneck either card, but for the sole reason that performance you would get from the two would be very similar to if you get another 4850

as it is the limiting factor for each job they have to do.

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GSingh

The 4870 will downclock to meet the 4850's clocks so basically, you will have 2 4850's except one will have ddr5. Just get yourself another 4850 .

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urgrandpasdog

What?

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GSingh

lol I totally mis-wrote that. Thanks for the heads up. Check again.

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low strife

He means the 4870 will downclock to 4850 speeds.

skorched

Good read here if you haven't already done so.

http://www.hardwarecanucks.com/forum...ce-review.html

grunion

They won't downclock, but you lose 512mb of the 1gig 4870.

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darksideleader

in the end, just a get another HD 4850.
and i wouldn't get another card to crossfire unless you have a bigger display that supports a larger resolution.