AMD Ryzen 100-100000061WOF 9 5900X 12-Core AM4 3.70 GHz Unlocked CPU Processor, Cores 12, Threads 24, Base Clock 3.70 GHz, Max Boost Clock Up to 4.80 GHz, L2 Cache 6MB, L3 Cache 64MB, CMOS TSMC 7nm FinFET, Socket AM4, PCI Express Version PCIe 4.0 , Default TDP 105W. AM4 motherboards using the powerful Zen 3 architecture, the 7nm 5th generation Ryzen processor offers significantly improved performance compared to its predecessor. AMD Ryzen 9 5900X 3.7 GHz 12-Core AM4 Processor.