Xeon E7 2820 's Advantages
Lower TDP (105W vs 350W)
AMD Threadripper PRO 7965WX 's Advantages
Released 12 years and 6 months late
Higher specification of memory (5200 vs 1333)
Higher base frequency (4.2GHz vs 2GHz)
Larger L3 cache size (128MB vs 18MB)
More modern manufacturing process (5nm vs 32nm)