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7970 voltage unlocked in stock I think the HIS is, not sure about the VTX, the gigabyte ones are locked.
But why do you want to swap a 7950 for 7970? why don't you add another 7950 for more performance. (if you really need)
I replaced my 7970 for 2x7950.
I have 2x7950 already in my gaming rig for mining. Thinking of moving them to a seperate machine for 24/7 and with some of the proceeds of mining getting a 7970 single simple card without all the heat of 2 cards into my gaming rig.
Currently I have to switch off mining to game and I am missing my gaming. When not gaming, the 7970 can also mine.
Thanks for the replies, looks like the HIS is the only viable one.
Furry muff.
This is the one you want then. Voltage unlocked, decent cooler.
http://www.overclockers.co.uk/showproduct.php?prodid=GX-108-GI&groupid=701&catid=56&subcat=938
Blimey Ocuk don't have that many 7970's left.
To be honest the stock Gigabyte 7970 runs at 1GHz and a little cheaper. I fitted mine yesterday and it runs BF3 and Project cars at ultra settings with the FPS over 100 most of the time. I don't think the HIS 7970's are unlocked either as I was informed before I bought the Gigabyte![]()
Hm, are you still making enough money off mining to compensate for the increased difficulty and electricity cost? Or are you mining something other than bitcoin?