The SAPPHIRE HD 5670 ULTIMATE has 400 Stream Processors and sports 1GB of the latest DDR5 memory. With clock speeds of 775MHz core and 1000MHz (4GHz effective) for the memory, it delivers the same performance as fan cooled models, but with a totally silent heatpipe cooler, making it the fastest silent cooled graphics card available today.



Link: GeekInvaders