Diamond MM has now launched a new model of the Radeon HD 7870–the Double Black Diamond Over Clocked version. This is projected to fit sweetly into an invitingly lower price bracket than the original’s price range of $250-350, much like the Double Black Diamond edition was lower priced than the original Radeon HD 7970.

But for a couple of ‘double diamond’ stickers, including one on the blower fan, at first glance the two cards look no different. However, the Double Black Diamond 7870 is one step up over the original 7870 with an overclock of 50MHz to the GPU and 25MHz (200MHz GDDR5 effective.) It even produces much lesser amounts of heat than the 6970.

The only card the Double Black Diamond HD 7870 matches up to in its price range is the Radeon HD 6970. Even so, it just beats the 6970 in every test it is put to! Performance-wise it is great with most games. The core clock speeds could be increased by 19% over the reference card and the memory clock by 12%.

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