Yeah I would suggest doing it, I upgraded from a 9850 to a 940 an it's the best thing I could have done.
As for your questions I'm not to sure but I think all 940's are BE an a good overclock on air around 3.8 - 4
You will love the temp difference.
As for your questions I'm not to sure but I think all 940's are BE an a good overclock on air around 3.8 - 4
You will love the temp difference.