Computers / Components / CPU's / Bus Speed (FSB) 800 MHz, Processor Speed 2500 MHz 

Intel BX80571E3300

Intel Socket T 775, Intel Celeron, 2500 MHz Clock Speed, 800 MHz Bus Speed, Architecture 45 nm, L2 Cache 1024 KB

Intel BX80576T9300

Intel Core2 Duo, 2500 MHz Clock Speed, 800 MHz Bus Speed, Architecture 45 nm, L2 Cache 6144 KB