I'm always searching for cards to add to my mining fleet, but with the inflated prices of 5870's it's difficult to find the cards in the price range I want. I can occasionally find 5850's though. I have space in two rigs for one card each. One rig is empty (not currently running ) and the other is running with a 5870 right now. I would add to the running rig first, obviously, but my question becomes this:
If I'm running a 5870 and and 5850 in the same rig, will the 5870 only produce the mhash of the 5850? I'm wondering because when you crossfire a 5850 and a 5870, the 5870 drops to the clocks/performance of the 5850. But is crossfire required for mining, or can I simply plug the card in and the device manager will see it, and I start mining?
Is anyone currently doing this? If so I would sincerely appreciate any and all advice you can give me. Thanks in advance!!!