Xeon 6756E 's Advantages
Released 10 years and 9 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 25MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2680 v2 's Advantages
Higher base frequency (2.8GHz vs 1.8GHz)
Lower TDP (115W vs 225W)