AMD Athlon II X2 221

The AMD Athlon II X2 221 brings 2 cores and 4 threads. It drops into the AM3 socket with a 65W TDP — about 32.5W per core. Clocks span 2.8GHz base to 2.8GHz boost. Confirm motherboard socket compatibility before anything else, then size the cooler to the TDP.

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 AMD, with terms that vary by region. Every published spec is tabulated below, and compatibility against your current part list is checked automatically. The category page surfaces comparable models near the same price, which makes shortlisting against this processor straightforward.