Intel Xeon E5 2666 v3 's Advantages
Lower TDP (135W vs 350W)
AMD Threadripper PRO 7975WX 's Advantages
Released 8 years and 11 months late
Higher specification of memory (DDR5-5200 vs DDR4-2133)
Newer PCIe version (5 vs 3)
Higher base frequency (4GHz vs 2.9GHz)
Larger L3 cache size (128MB vs 25MB)