Buy a second 3870 or a 4850?

WWYD? I am thinking about buying a second 3870 instead of buying a 4850. I am not usre if that is the wisest move, but it seems to me that a crossfired 3870 setup packs more punch than a single 4850. Also, if I get a second 3870, will a GDDR4 card be compatible with a GDDR3 version? I already have a GDDR4 version and I was thinking of getting one of the cheaper GDDR3 models. I mean 70 dollars for a 3870 is very appealing.
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  1. With the P965 chipset the 4850 would be the better option, The P965 has a 16x/4x Crossfre. With the 4X slot you could loose as much as 30% performance.

    If you have a newer MB then your profile then the Xfire would be a option. Toms did a test on 4x/8x/16x PCIe slots and the 4X lost around 33%.

    So If I was you I would get the 4850, Because that single card is going to be faster on all games. Crossfire is not supported by every game. Plus the 16X/4X crossfire on the P965 chipset is a nother reason.

    1Haplo
  2. the 4850 performs just like the 3870 X2 just with out the hassle.

  3. 1haplo said:
    With the P965 chipset the 4850 would be the better option, The P965 has a 16x/4x Crossfre. With the 4X slot you could loose as much as 30% performance.

    If you have a newer MB then your profile then the Xfire would be a option. Toms did a test on 4x/8x/16x PCIe slots and the 4X lost around 33%.

    So If I was you I would get the 4850, Because that single card is going to be faster on all games. Crossfire is not supported by every game. Plus the 16X/4X crossfire on the P965 chipset is a nother reason.

    1Haplo


    Good point. I was just hoping to take the cheaper route and have x-fire bragging rights. I do have the same MB, but it is about time to upgrade/overhaul my entire system. I can always sell my 3870 and offset the costs to come out to about the money I would've spent in the first place. Thanks for your input.
  4. L1qu1d said:
    the 4850 performs just like the 3870 X2 just with out the hassle.

    http://www.guru3d.com/vga/vga-cod4.png


    Thanks for the chart. I was looking at tomshardware charts and the xfire 3870's and 4850 went tat for tat. 1 card is better overall if they are close so thats what I will probably go with. thanks for your input
  5. cappster said:
    I was just hoping to take the cheaper route and have x-fire bragging rights.


    That would give you bragging rights? To who?
  6. Jebus:)
  7. rodney_ws said:
    That would give you bragging rights? To who?


    Honestly, probably just to my self or probably to people who just know enough about computers to be somewhat impressed that I have a dual graphics setup. Its kind of like having a twin turbo setup on your car when you really only need one big turbo to go just as fast. Catch my drift?
  8. Well, I didn't buy either rather I purchased an e8500 wolfdale instead. I felt that a better processor would give me a FPS boost that I was looking for as my e6400 just wasn't doing it for me anymore. I am running bios version 1.8 so I shouldn't have any problems with compatibility as version 1.8 supports wolfdale processors.
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