Hi guys can you tell me which processor is good for games
intel pentium 4 640 3.2ghz or amd athlon 64 3200+ 2ghz

The AMD Athlon 64 3200+, then overclock it to 2.4ghz and you will really start to see a preformance increase over the Pentium 4 640 3.2ghz processor in terms of gaming.

Although Intel processors a good processors, they are overrated for their price IMO.

Pemtium D Smithfield cores are a prime example of that. Worst dual core processor you can buy. Infact they are that bad of a dual core processor that a single core mainstream processor can out benchmark them in nearly 90% of all benchmark test when up against the same ghz speed. Xbit labs had a big artical on the first generation Pentium D's

AMD Athlon 64 X2 4200+
2GB Dual Channel DDR 3200
Nvidia 6800GT
SATA II 250gig 7200rpm 8mb cache
Gigabyte Nforce 4 SLI

The video card is gonna be a bigger concern with the latest greatest processor, whichever you choose.

754 3700+ @ 255x10 HTx4
ASUS K8Ne Deluxe
2GB PQI DDR3200 / 6600GT
Ultra 500w x-connect PSU

Powerbok G4 1.67 1GB DDR 100GB 7200rpm / 9700 vid

AMD64 3400+/768MB/5700VE
1 Toshiba & a Dell