AMD Ryzen 9 3900X

The AMD Ryzen 9 3900X offers 12 cores and 12 threads. It drops into the AM4 socket with a 105W TDP — about 8.8W per core. Clocks run from 3.8GHz base to 4.6GHz boost. 64MB of L3 cache helps in cache-sensitive games and workloads. Match the socket to your motherboard first; cooler TDP rating second.

Its $170.64 price tag places it squarely in mid-range territory. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Warranty coverage follows AMD's standard policy — confirm regional terms on the listing. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.