Crossfire 4850 vs 4870?

Boosted98gsx · Sep 15, 2008

Anyone have any comparisons or links to tests between the two? I want to know what the price point differences are for 1 option over the other. 2 visiontek 4850's are $300, while a visiontek 4870 is $270. Which gives better performance?

I would hope that the pair of 4850's would snuff out the 4870.

Also, what about 2 4870's in crossfire vs the 4870x2?

SeanBest · Sep 15, 2008

I have a pair of crossfired 4870s.

http://www.ocforums.com/showthread.php?t=577203

Here are some of my results. Had some low scores until I OC'd my cpu then scores went way way up. I play CoD4 at 1680x1050 everything on max, in XP x64, and I get avg 250 fps or so, depending on map and amount of people.

ALiEN2953 · Sep 16, 2008

in 90% of games the 2 4850s would be faster, though there are many games that dont support crossfire, in these the 4870 will win everytime.

Boosted98gsx · Sep 16, 2008

well i'm on a 9500 with 2 4850's atm. Have a 9950 on order (2.6ghz quad). Trying to get some better FPS, but even in TF2, I'm hitting a max of 60 fps at the 1 peg lower than 1680x1050.

Badbonji · Sep 16, 2008

On TF2 I get 80-120Fps with my two 8800gts 512mb. Not so hard on an old game engine with slightly updated graphics. This is at 1920x1200. I would go with the HD4870 over CF though, as single cards will perform much more consistently across all games, where the HD4850 CF might scale well in some, but not at all in others.

Boosted98gsx · Sep 16, 2008

I think my main bottleneck is the fact that I'm on a 2.2ghz processor. Seems to be choking my graphics capabilities no matter what cards I run.

Phrenetical · Sep 20, 2008

Well i dont know what 2*4850's would pull in benchies but im pretty happy with one 4870 and not having the headache of always worrying if set game or synthetic was properly using xfire

Very very happy.

Zurvan · Sep 20, 2008

Well i feel multi-gpu cuts down a lot a freedom in terms of the softwares to choose, specially the OpenSource ones. There are always stability / driver/ support issues, and scaling in not LINEAR. Unless you have a separate gaming PC ,i think 4870 is enough for most stuff at 1680x1050
Or rather wait for the 4850x2.

Crossfire 4850 vs 4870?

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