Intel Xeon E5 1620 's Advantages
Lower TDP (130W vs 350W)
AMD Threadripper PRO 7975WX 's Advantages
Released 11 years and 7 months late
Higher specification of memory (DDR5-5200 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (4GHz vs 3.6GHz)
Larger L3 cache size (128MB vs 10MB)