Intel Xeon E5 1620 's Advantages
Higher base frequency (3.6GHz vs 2.7GHz)
Lower TDP (130W vs 280W)
AMD Ryzen Threadripper PRO 5995WX 's Advantages
Released 10 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 10MB)
More modern manufacturing process (7nm vs 32nm)