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For overclocking today we used the latest beta version of MSI Afterburner 2.2 which allowed us to increase the voltages.
By increasing the core voltage by +87 we achieved a stable overclock at 863mhz. It was possible to improve this a little more, but we noticed some very minor artifacting which could lead to long term problems. We aren't chasing impressive figures on this page, but realistic 24/7 speeds. Due to the voltage increases core temperatures rose by around 3c under load.
The overclocked speeds translate in a rather healthy performance boost, rising from 6,250 points to 6,844 points in 3DMark 11.
They make great cards, although I read a thread on guru3d last month from some guy who bought a similarly cooled card and he said it failed on him in the space of a few weeks. maybe he got unlucky.
570 is a great price now, very competitive and faster than HD6970 at reference clocks.
I would probably still spend a bit more on 580.
My frozr card was running v ery hot. IO removed the cooler, and replaced the thermal paste. it fixed the problem. its a common factory related issue going on threads on internet. whoever is applying paste is not applying enough.
Nice. good price for a modified card too. I am happy with my 560 however. I only game at 1080p and dont worry about anti aliasing.
Good range of cards, never owned one, but the reviews are always positive. I would always change the thermal paste on a card before using it, as factory application is always garbage.
This is why I never buy XFX, because you invalidate warranty now by taking the cooler off. (stickers on the screws).