AMD Ryzen 9 3900X

The build-up to AMD’s launch party for its Ryzen 3000 CPUs – aka third-generation Ryzen, aka Zen 2 – has been huge, and the Ryzen 3000 processors are the first mainstream CPUs to utilize a 7nm manufacturing process. After flirting with the crown for the first two Ryzen generations, this could be the day when AMD claims an outright victory. But how has it managed this feat?

Zen 2 adds an improved L2 TAGE branch predictor, has a larger micro-op cache, doubles the maximum size of the L3 cache to 32MB per CCX and doubles the AVX floating-point performance. There’s also a third address-generation unit, larger buffers (reorder buffer, integer scheduler, physical register file, entry store queue and more), multiplication latency is reduced to three cycles from four and there