Intel Xeon X5677 's Advantages
Lower TDP (130W vs 280W)
AMD Ryzen Threadripper PRO 5955WX 's Advantages
Released 12 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (4GHz vs 3.466GHz)
Larger L3 cache size (64MB vs 12MB)
More modern manufacturing process (7nm vs 32nm)