AMD Athlon64 X2 4800+ Processor
 

If you want the best processor on the market there is little doubt that it is going to be based on the AMD Athlon64 architecture. If you are a true gaming enthusiast you're best off going with an Athlon64/FX processor, those of you who need a multimedia powerhouse should stick to the dual core AMD Athlon64 X2 4800+. For the answers to "why" that is, keep on reading...

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13% increase in vcore voltage to gain 4.6% higher clockspeed is not overclocking with common sense using extreme cooling or not. :)

I'd stay with 1.5 vcore and 3 GHz speed. After all, it is the processor + specs yielding the nice overclock headroom and not the cooling.