The AMD Radeon HD 7870 has proven itself to be one of the best mainstream graphics cards on the market. Today we look at the XFX Radeon HD 7870 Black Edition that comes with the companies Dual Dissipation GPU cooler and a factory overclock of 1050 MHz on the core and 1250 MHz on the memory. Read on to see how the XFX Radeon HD 7870 Black Edition performs on our Intel Core i5 2500K test system!