AMD's Ryzen 9 5900HX flagship notebook CPU has leaked out and is going to be part of the next-gen Cezanne-H family of processors based on the Zen 3 core architecture. The Ryzen 9 5900HX is spotted by TUM_APISAK within the Geekbench database and features faster performance than 8 core desktop-grade processors.

AMD Ryzen 9 5900HX Flagship Zen 3 Notebook CPU Destroys Intel's Core i7-10700K & Last-Gen Ryzen 7 3800X CPUs In Single and Multi-Threaded Benchmarks

The AMD Ryzen 9 5900HX CPU is going to be the flagship offering within AMD's Cezanne-H line of notebook chips. The processor will be featuring brand new Zen 3 cores which we have seen on the desktop Ryzen 5000 lineup and as such, we can expect some huge gains in single-thread processor performance.

Specifications wise, the AMD Ryzen 9 5900HX will be offering 8 cores and 16 threads. The chip will feature 16 MB of L3 cache and 4 MB of L2 cache. The base clock for the chip is rated at 3.30 GHz & the boost clock is rated at 4.70 GHz. A detailed log of the benchmark run shows that all cores were hitting 4.70 GHz during the test. Other features of the chip include an enhanced Vega GPU and also overclocking support which would be a first for AMD on the notebook segment.

AMD Ryzen 5000 APU Lineup (Preliminary Specs):