HD4870x2 + HD4870 Crossfire?

i prefer upgrading than buying new one, if you guys have some point let me know it.

is those cards are good if placed together? i wonder if there are difference score than HD4870x2 with single card
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  1. Yes, there is a remarkable amount of horspower that you can add by doing tri-fire with the 4870 series, make sure it is a 48701GB edition however.

    A while ago I upgraded to Tri-fire and I documented the results here:

    http://www.tomshardware.com/forum/260564-33-4870x2-4870-fire-benchmarks-quad-core-results

    I think it is worth a look. I did Dual core, then Quad core results.
    Also, let it be known that ever since Catalyst 9.8 there were huge gains for Tri and Quad Fire rigs, some games improving up to 50% in fps. I witnessed these gains first hand.
  2. but how about the temps? i got HD4870 1GB edition 54C at full load, and i wonder what temps might be appear when HD4870x2 + HD4870 ( 2GB+1GB) Tri-CF.
  3. Good cooling is a must

    My 4870x2 ran up at 70C most of the time - and add a second 4870x1 and it will get worse. The 4870x2 is handicapped with cooling since the hot air from the first GPU blows over the second. At a minimum your fans will be on high a lot.

    Sounds like a great graphics configuration
  4. cyber07 said:
    but how about the temps? i got HD4870 1GB edition 54C at full load, and i wonder what temps might be appear when HD4870x2 + HD4870 ( 2GB+1GB) Tri-CF.


    I never had any issues with cooling, I did have 7 120mm fans in my case though....

    With that being said, your 48701GB will stay at recommended temps, it is the X2 you should worry about. I ended up buying an arctic cooling accelero Xtreme cooler for my X2, which ended up being a great cooler, after some issues were sorted.

    Check this thread out as well: http://www.tomshardware.com/forum/265403-33-arctic-cooling-accelero-4870x2-review
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