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XFX Radeon HD 7770 Black Edition S Super Overclocked 1GB Video Card Review

By: Shawn Baker | AMD Radeon GPU in Video Cards | Posted: Feb 24, 2012 12:47 pm
TweakTown Rating: 79%Manufacturer: XFX

The Card








Looking at the card you can see that we've got the same double dissipation cooler that we've seen from the other HD 7000 series XFX cards. It's proved to be a good cooler so far and it looks good on the HD 7770 here. Moving around the card you can see at the back we've got just a single 6-pin PCIe power connector while moving across the top and closer to the front you'll see just a single CrossFire connector allowing up to only two cards in CrossFire.




On the I/O side of things you can see we've got a single Dual-Link DVI power on the far right, full size HDMI port along with two Mini DP ports. As usual I would've liked to have seen XFX include a Mini DP to DP connector in the bundle since we've got two ports here, but we're seeing most companies choose to ignore it these days. As always if you're going to be making use of DisplayPort, make sure you pick up a connector when you're buying the card, assuming you don't have one already.





Before we get into some of the XFX specifics, the HD 7770 carries with it the same 28nm technology we've seen on the other HD 7000 series cards. On the stream processor front we've got 640, 40 Texture Units and 16 ROPs.


Being dubbed the "GHz Edition" by AMD we've got a default core clock on the model of 1GHz or 1000MHz. As for the 1GB of GDDR5 memory, that comes in at 4500MHz QDR and sits on a 128-bit memory bus.




With a name like "Black Edition S Super Overclocked" you expect some decent clocks out of the XFX offering here today. Looking above you can see that the GPU clock comes in at a massive 1120MHz while the 1GB of GDDR5 has also been bumped up to a cool 5200MHz QDR resulting in a strong overclock.

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