Opteron 6180 SE 's Advantages
Lower TDP (140W vs 280W)
AMD Ryzen Threadripper Pro 3945WX 's Advantages
Released 9 years and 5 months late
Higher specification of memory (DDR4-3200 vs DDR3-1333)
Newer PCIe version (4.0 vs 2)
Higher base frequency (4.0GHz vs 2.5GHz)
Larger L3 cache size (64MB vs 12MB)
More modern manufacturing process (7nm vs 45nm)