yeah all recent CPus (bar a few weird laptop ones, iirc) are 64 bit capable :)

um no such thing as "best" they always grossly WAY over charge for most recent CPU, so IMHO not worth it unless yer rich. a syou may only be talking about a 25% speed increase or less.

good cpu + good motherboard + good ram + good SYSTEM hard drive is much better than just a super dooper CPU :)

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