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Crossfire or upgrade?

Last response: in Graphics & Displays
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March 7, 2010 12:30:12 AM

ok.my father has a 5750 and now i have 4870 installed on my computer.i was thinking should i exchange my 4870 with 5750 and then crossfire 5750 with a new 5770 or wait untill 58xx gets cheaper and buy a 5850 ?

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a c 130 U Graphics card
March 7, 2010 12:37:20 AM

I'd just wait for the HD5850. I don't know too much on how well a '50 and a '70 card will crossfire.
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a b U Graphics card
March 7, 2010 1:27:55 AM

Okay first heres the thing: 2x 5770 = 1X 5870, which makes it $100 cheaper. However, the 5750 is not an upgrade over your 4870 as a single card. The 5770 performs on par with the 4870. What would you rather have higher performance or a single card. That question is up to you. If it's a single card go for the 5830 and above. If its two cards outperforming a mainstream single card go for 2x 5770s.
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a b U Graphics card
March 7, 2010 1:32:54 AM

Oh also if you Crossfired the 4870s that'd give you good performance, however you'd have to have a pretty good PSU for that.
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March 7, 2010 9:57:17 AM

nrnx said:
Okay first heres the thing: 2x 5770 = 1X 5870, which makes it $100 cheaper. However, the 5750 is not an upgrade over your 4870 as a single card. The 5770 performs on par with the 4870. What would you rather have higher performance or a single card. That question is up to you. If it's a single card go for the 5830 and above. If its two cards outperforming a mainstream single card go for 2x 5770s.

i don't know about 5830. i mean if someone's going for 58xx series he'd go for 5850 because 5830 isn't good for this series people would rather go for a 5770 for a better price.
from the other side: i bought a 9500gt for physx and made it work with 4870 with modded drivers if i wanna go for 57xx series (crossfire) it means no more slot for 9500gt and the money has gone to waste.
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March 7, 2010 12:07:09 PM

correct me if i am wrong but if you crossfire a 5750 main card with a 5770 doesn't it step down the second card, and you would technically have something like 2x 5750? that doesn't seem too productive to me. i agree with shadow get the 5850 you will not be disappointed.
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a c 130 U Graphics card
March 7, 2010 12:12:43 PM

The HD5830 is decently good, it's just in the wrong price. You should run a single-card setup, which would be an HD5830 or an HD5850, especially if you want to keep using PhysX.
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