The Asus EAH3850 Top is factory overclocked and has a clock speed of 730MHz on the core and 1.9GHz on the memory. The card uses 256MB of DDR3 RAM and is built on a 55nm fabrication process. One of the nicest features of the Asus EAH3850 Top is the built-in 5.1surround sound that allows video and audio out on an HDMI cable.