"The core speed on the HIS HD 4870 X2 2GB GDDR5 Video Card is 750MHz and the 2GB (1GB per GPU) of GDDR5 256 bit memory is 3.6GHz DDR. It comes with 800x2 stream processing units for vertex, pixel and geometry data, 80 (40x2) texture units, 32 (16x2) raster operators. This is the fastest video card currently on the market! Watch the video to find out more." ~3dGameMan.com