Xeon D 2775TE 's Advantages
Released 9 years and 11 months late
Higher specification of memory (2933 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (25MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (100W vs 130W)
Intel Xeon E5 1620 's Advantages
Higher base frequency (3.6GHz vs 2GHz)