Xeon D 2775TE 's Advantages
Lower TDP (100W vs 210W)
Xeon w7 2555X 's Advantages
Released 2 years and 6 months late
Higher specification of memory (4800 vs 2933)
Newer PCIe version (5 vs 4)
Higher base frequency (3.3GHz vs 2GHz)
Larger L3 cache size (33.75MB vs 25MB)