Intel Core 2 Duo E4600

The Intel Core 2 Duo E4600 brings 2 cores and 4 threads. Clocks span 2.4GHz base to 2.4GHz boost. It drops into the LGA775 socket with a 65W TDP — about 32.5W per core. Match the socket to your motherboard first; cooler TDP rating second.

Expect to pay around $98.95, which lands it among budget options. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Support and warranty service run through Intel, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.