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[softpedia] ATI's HD4800 Series Pairs with HD3870

post #1 of 12
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Enlarge pictureLet's say your high-end desktop gaming system is built using one of ATI's Radeon HD 3870 DDR4 graphics cards. How about upgrading your graphics performance level by adding one, if not actually two ATI Radeon HD 4850 video cards? Although these cards have not been officially released yet, users should expect them to allow CrossFire setups with older generation cards, at least so if we’re to trust a recent post on the Forumdeluxx.de website.

Apparently, one the forum's users has not only succeeded in getting his hands on two Radeon HD 4850 cards, but he also managed to connect the two in a CrossFireX setup, along with an additional Radeon HD 3870 card. Not only does the setup work, but it also provides an impressive 3DMark06 benchmark score, with 14,180 marks. Using just the two Radeon HD 4850 in CrossFireX, the user's system managed to score 12,300 marks under a Windows Vista 64-bit operating system.


Enlarge pictureThe system was built using a Phenom 9850 Quad-Core processor clocked at 3009MHz, and was running on no less than 4GB of RAM memory. The system's CPU was cooled down by means of a liquid cooling solution. The two Radeon HD 4850 cards had a GPU clock speed of 750 MHz, while the HD 3870 card was clocked at 769MHz. All in all, this was quite an impressive feat that also managed to provide us with an important bit of information about ATI' yet to be officially released graphics cards.

Since we are talking about the very first public test of this kind, we can't know for certain whether AMD will allow the HD 4000 series to be connected in CrossFireX setup with a HD 3000 series card, as the user of the aforementioned forum did. Guess we will find that out soon enough, right after the cards hit the store shelves.

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post #2 of 12
Hmm someone else tried to xfire a 3870x2 with a 4850 and it didn't work.
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post #3 of 12
maybe it only works with certain cards in certain orders ... so the 3870x2 might only work with a 4870 4870x2
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post #4 of 12
or maybe you have to wait for new drivers.
post #5 of 12
How did that system only score 12,000 in 3DMark 06?
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post #6 of 12
Quote:
Originally Posted by Porthios View Post
How did that system only score 12,000 in 3DMark 06?
cpu is phenom
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post #7 of 12
That's what threw me off. I'm sitting here thinking, "All of that power and only 12k?" but I suppose that makes sense.

Again, I just want a side by side result of the single card at stock clocks and overclocked against it's rival equivilant. Until then I call bunk on "performance benchmark results".
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post #8 of 12
If that's true then this is awesome. This would allow people to worry less about selling their cards...
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post #9 of 12
i love that cross - Xfire capability... makes me wish i hadn't sold my Gecube '70 even more...

they ought to call it XCrossfireX

or, XXX Crossfire XXX <- Crossfire, adult (you know what i mean) edition
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post #10 of 12
Quote:
Originally Posted by Porthios View Post
How did that system only score 12,000 in 3DMark 06?
I was wondering the same thing until I saw the post below...

Quote:
Originally Posted by Andr3az View Post
cpu is phenom
AMD needs to pick it up.
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