AMD will update its 3rd generation Ryzen Threadripper product stack sooner than expected. The flagship 64-core/128-thread Ryzen Threadripper 3990X will be available to purchase on February 7, 2020, priced at USD $3,990. The company debuted the "Zen 2" based 3rd gen Threadripper family last November with the 24-core Threadripper 3960X and the 32-core Threadripper 3970X, while teasing the 64-core flagship, the 3990X. AMD detailed this halo-flagship product some more at its 2020 CES event. Designed for the TRX40 platform in the sTRX4 package, the 3990X is differentiated from 64-core EPYC "Rome" products with its narrower monolithic quad-channel memory interface (compared to 8-channel for EPYCs).

The Ryzen Threadripper 3990X ships with clock-speeds of 2.90 GHz with 4.30 GHz boost, a gargantuan 288 MB of total cache (L2 + L3), and the same I/O as the 3970X: 4-channel memory interface with support for up to 2 TB of memory; a PCI-Express 4.0 x8 pipe to the TRX40 chipset, and up to three gen 4.0 x16 links to the processor package. AMD also showed a performance sneak-peak, comparing a machine with a single 3990X squaring off against a machine with 2P Intel Xeon Platinum 8280 processors that add up to 56 cores and 112 threads. In the side-by-side V-Ray render test, the 3990X emerged 30% faster than the Intel setup, but here's the kicker: the 3990X "only" costs $3,990, versus $20,000 for the 2P Xeon 8280 (processors alone). The HEDT chip also supports ECC memory.