The HD 6770 we're looking at today is the Vapor-X version from Sapphire and uses the pretty mean looking Vapor-X cooler. It's got a nice big fan, but the highlight to the cooler is the massive chunk of copper that you can see behind the fan which helps keep the card running nice and cool
Looking around the card, we've got a single 6-Pin PCI-E power connector at the back, our CrossFire connectors across the top and connectivity comes in the form of two Dual-Link DVI, HDMI and DisplayPort connectors. The setup of course supports Eyefinity.
The HD 6770 is pretty much a rebadged HD 5770 with support for HDMI 1.4a, which in turn gives us support for 3D. Outside of that, though, there's really no difference between the HD 5770 and the HD 6770.
That means we've got 800 Stream Processors, 850MHz Core Clock and the 1GB of GDDR5 comes in at 4800MHz QDR running on a 128-bit memory bus.
This particular HD 6770 comes with an overclock. Unfortunately that overclock is only an extra 10MHz on the core, bringing it to 860MHz. I understand that it's an overclock, but it's really frustrating when companies throw the OC label around for a 10MHz overclock.
I would've preferred to see the core just stay the same at 850MHz with no OC tag, or pushed to at least 880MHz and used it. 10MHz hardly seems deserving of an "OC" label. I can't put the blame on just Sapphire, though; we do see a lot of companies do it. None the less, it doesn't make it right.
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