Help choosing cpu

[mido_51]

Hello,
hello i need some help i will upgrade my computer and I'm very confused between using my old cpu :Intel cor2duo e4600 2.40mhz or new athlon x2 250 3.0mhz and i will buy ati 6770 vga card and I'm afraid of the bottleneck issue and i Will play heavy games so what is the best one between the 2 cpu's

 

[amuffin]

Upgrade your core 2 duo to a core 2 quad if your current motherboard supports it!

 

[GI_JONES]

Those 2 cpu's require completely different motherboards. What motherboard do you have?