The slide detailing the 3990X mentions its core count of 64-core/128-thread, total cache (L2 + L3), which is a staggering 288 MB, and TDP of “just” 280 W. There is no mention of the chip’s…

AMD Paves Upgrade Path for TRX40 Platform with 64-core 3990X in 2020

Source: [H]ardOCP – AMD Paves Upgrade Path for TRX40 Platform with 64-core 3990X in 2020