Xeon w7 3555 's Advantages
Released 12 years and 3 months late
Higher specification of memory (4800 vs 1600)
Newer PCIe version (5 vs 2)
Larger L3 cache size (75MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)
Opteron 6284 SE 's Advantages
Lower TDP (140W vs 325W)