AMD Athlon II X3 400e

The AMD Athlon II X3 400e packs 3 cores and 6 threads. Clocks run from 2.2GHz base to 2.2GHz boost. It drops into the AM3 socket with a 45W TDP — about 15W per core. Match the socket to your motherboard first; cooler TDP rating second.

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 AMD's standard policy — confirm regional terms on the listing. Every published spec is tabulated below, and compatibility against your current part list is checked automatically. If this processor is not quite the right fit, the category page lists close alternatives at similar prices for a quick side-by-side comparison.