Xeon D 2775TE 's Advantages
Released 7 years and 5 months late
Higher specification of memory (2933 vs 2133)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (100W vs 135W)
Intel Xeon E5 1686 v3 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Larger L3 cache size (30MB vs 25MB)