AMD Ryzen Threadripper PRO 5945WX 's Advantages
Released 12 years late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 2)
Higher base frequency (4.1GHz vs 1.9GHz)
Larger L3 cache size (64MB vs 12MB)
More modern manufacturing process (7nm vs 45nm)
Opteron 6168 's Advantages
Lower TDP (115W vs 280W)