Xeon 6756E 's Advantages
Released 12 years and 1 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (96MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)
Opteron 6278 's Advantages
Higher base frequency (2.4GHz vs 1.8GHz)
Lower TDP (115W vs 225W)