Intel Core 2 Duo E6400

The Intel Core 2 Duo E6400 packs 2 cores and 4 threads. Clocks span 2.13GHz base to 2.13GHz boost. It drops into the LGA775 socket with a 65W TDP — about 32.5W per core. Board socket comes first when pairing parts — after that, make sure your cooler's rating covers the chip.

At $189.95 it sits in the mid-range processor bracket. Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current processor prices across retailers. Warranty coverage follows Intel's standard policy — confirm regional terms on the listing. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.