id say the 945 better clock speed other that that there pretty much the same
but y a P D ?? if you mobo is socket 775 and supports dual core technology and has 800Mhz max bus speed then y not get a core2duo ???
take a look http://www.newegg.com/Product/Produc...82E16819115014
and if your board can handle 1066Mhz bus then you can get a E6400 ???
thats supposing your boad can handle core2duo's ?