The standard AMD Radeon HD 6850 graphics card by SAPPHIRE comes clocked at 775MHz on the core and 1000MHz on the memory. For those that want to take it up to another level the Sapphire Radeon HD 6850 TOXIC Edition has the same internal architecture as the standard model, but the clock speeds are increased to 820MHz for the core and 1100MHz for the memory giving gamers a noticeable boost in performance. Read on to see how it performs and how much more we can overclock it!
Article Title: Sapphire Radeon HD 6850 Toxic Video Card Review
Article URL: http://legitreviews.com/article/1558/1/
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