Sapphire HD 7850 - Graphics Card

There is 2 version of Sapphire 7850 series, Sapphire HD 7850 2GB GDDR5 and also the HD 7850 OC edition (2GB GDDR5), both of Sapphire 7850 graphics card has comes with almost the same specs, but the 7850 OC edition equipped with faster GPU clock, it has 920 MHz of core clock and 5000 MHz of memory clock speed while the HD 7850 standard equipped with 860 MHz of core clock and 4800 MHz of memory