Xeon w7 3555 's Advantages
Released 12 years and 9 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.7GHz vs 2.1GHz)
Larger L3 cache size (75MB vs 16MB)
More modern manufacturing process (10nm vs 32nm)
Opteron 6272 's Advantages
Lower TDP (115W vs 325W)