Post
Topic
Board CPU/GPU Bitcoin mining hardware
Re: Brand new 5870s for $139.99 again
by
Mousepotato
on 22/12/2011, 20:38:47 UTC
You wouldn't wait for the 7 series? they are just around the corner and supposedly cut power consumption by a wide margin. That is... if you are paying for electric.

From the initial findings, the answer is no.  58XX is still king:

http://www.tomshardware.co.uk/radeon-hd-7970-benchmark-tahiti-gcn,review-32344-14.html

HD7970: 414 Mh/s @ 254 W
HD5870: 375 Mh/s @ 190 W

Straight out of the box w/o overclocking.