The HIS HD 4850 iCooler IV & HD 4870 iCooler x3 HDMI Video Cards are based on the RV770 core, built on the 55 nanometer manufacturing process and has 956 million transistors. These video cards have different coolers, the 4850 comes with the iCooler 4 cooler and the 4870 comes with the iCooler x3 cooler. The 4850 has a core speed on this product is 625MHz and the 1GB of GDDR3 256 bit memory is 1986MHz DDR. The 4870 has a core speed on this product is 750MHz and the 512MB of GDDR5 256 bit memory is 3.6GHz DDR.

The core speed on the HIS HD 4770 512MB Video Card is 750MHz and the 512MB of GDDR5 128 bit memory is 3.2GHz. It comes with 640 stream processing units for vertex, pixel and geometry data, 40 texture units and 16 raster operators. The pixel fillrate is 12 Gpixels/sec, texture fillrate is 24 GTexels/s and the memory bandwidth is 51.2 GB/s. The HIS HD 4770 512MB Video Card has major bang for the buck! Watch the video to find out more…

The core speed on the HIS HD 4870 IceQ 4+ Turbo 1GB Video Card is 770MHz and the 1GB of GDDR5 256 bit memory is 4GHz DDR. Note that a standard 4870 video cards only have a core speed of 750MHz and a memory speed of 3.6GHz DDR. It comes with 800 stream processing units for vertex, pixel and geometry data, 40 texture units and 16 raster operators. The pixel fillrate is 12.3 Gpixels/sec, texture fillrate is 30.8GTexels/s and the memory bandwidth is 128GB/s. Be sure to check out the CrossFire results. Watch the video to find out more…

HIS HD 4830 512MB GDDR3 Video Card has a PCIE Interface of 2 compared to the older video cards which has a PCIE Interface of 1. This Video Card is based on the RV770 LE core which is built on the 55 nanometer manufacturing process and has 956 million transistors. The core speed on this product is 575MHz and the 512MB of GDDR3 256 bit memory is 1.8GHz DDR. It comes with 640 stream processing units for vertex, pixel and geometry data, 32 texture units and 16 raster operators. The pixel fill rate is 9.2GPixels/sec, the texture fillrate is 18.4GTexels/sec, and the memory bandwidth is 57.6GB/s.