I'm gonna crossfire... but

OK, right now, at this moment, I have a single MSI R6850 Cyclone... overclocked to 860/1100. I still wanted to go a bit overboard and get another Cyclone... but seeing how an opportunity like this showed up... I'm starting to doubt it.

Now I have two options. ATM, I have a single 6850 Cyclone. I can buy another 6850 Cyclone, or a Sapphire 6870 for $10 more. If you include the rebates, I already did my 1-limit on my current Cyclone, meaning that if I actually DO get a MIR from Sapphire, I'll save $10.
HOWEVER... I only have 1 day to decide. The $20 discount on the 6870 ends today...


My current video card
crossfired with..
Option 1
Option 2


The reason why I'm thinking to get a 6870 is because I hear that a 6850/70 crossfire is slighter better than a 6850 crossfire.. but slightly worse than a 6870 crossfire. Is this correct?
8 answers Last reply
More about gonna crossfire
  1. Short and sweet, yes.
  2. doesnt the faster card downclock to meet the slower card? if so i dont see what the difference would be. unless archies are THAT different.
  3. yes it downclocks itself to the speed of the slower of the two cards :)
  4. wooodoggies said:
    doesnt the faster card downclock to meet the slower card? if so i dont see what the difference would be. unless archies are THAT different.

    The difference between the 6850 and 6870 are more than clock speeds, you still have more SP's in the end.
  5. yes but if u got one faster card in crossfire, the other one will downgrade itself to the second slower card ;)
  6. wooodoggies said:
    doesnt the faster card downclock to meet the slower card? if so i dont see what the difference would be. unless archies are THAT different.


    Correct. it has been known for this not to happen but most times the faster card downclocks to match the slower one.
    I would just get another Cyclone if i was you, that way you get full MSI Afterburner suport on both cards for the best OC results.

    Mactronix :)
  7. cheers to macman :)
  8. Toms did an article on GPU scaling last summer, which is why I answered as I did.

    The difference is extremely small, but it is there.
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