Results and Final Thoughts
I played around with TRIXX for a few days testing it out on Unigine's Heaven benchmark, Far Cry 3 and Battlefield 3. I was able to achieve a nice and relatively pain-free overclock on my Radeon HD 7950.
At stock, the Radeon HD 7950 is 900/1250. I was able to crank it to 1015/1563 and be stable while looping Heaven. This is an incredible result, as it gives me a huge increase in memory bandwidth from the stock 240GB/sec to 300GB/sec. All of this is from stock volts and stock TDP.
Cranking up the Board Power Li to +20 and VDDC to the 1300-mark, I was getting some incredible overclocking results out of the Sapphire HD 7950 OC Edition. From its stock 900/1250, I was cranking 1015/1750 stable under Heaven loops. This is a huge overclock on the RAM, and over 10% on the core.
Game stability was a different question, Far Cry 3 was only stable up to around 990/1450MHz, where Battlefield 3 didn't mind 985/1557MHz. Cranking up to 1GHz on the core playing Battlefield 3 was stable for around four minutes, but it crashed to the desktop.
All in all, Sapphire's TRIXX Tweak Utility is a great option for you to use - and something I definitely recommend.
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