Post
Topic
Board Beginners & Help
Re: HD7970x2 One can run at full speed but 2 will only run at half speed
by
linuxninja39
on 15/04/2013, 04:51:47 UTC
Running one GPU nets a TOTAL of ~500. Running both nets a TOTAL of ~500, each only running at ~250. If I start out running just one it'll hit ~500. If I enable the second one, the first one will drop to ~250.

I haven't tried the powertune option yet.