AMD Ryzen Threadripper 2990WX 's Advantages
Lower TDP (250W vs 350W)
AMD Ryzen Threadripper 7980X 's Advantages
Released 5 years and 2 months late
Higher specification of memory (DDR5-5200 vs DDR4-2933)
Larger memory bandwidth (166.4GB/s vs 87.42GB/s)
Newer PCIe version (5 vs 3.0)
Higher base frequency (3.2GHz vs 3.0GHz)
Larger L3 cache size (256MB vs 64MB)
More modern manufacturing process (5nm vs 12nm)