NVIDIA’s reference 7800 GT features 20 rendering pipelines, a core clock of 400 MHz, and a memory clock of 500 MHz (1 GHz DDR) while the reference 7800 GTX features 24 rendering pipelines, a core clock of 430 MHz, and a memory clock of 600 MHz (1.2 GHz DDR). However, XFX (like many other vendors) overclocks even the standard versions of these cards, with their 7800 GT core clocked to 450 MHz and the memory pushed up to 525 MHz (1.05 GHz DDR).



Link: The Tech Lounge