Opteron 2218 HE 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Lower TDP (68W vs 100W)
Xeon D 2775TE 's Advantages
Released 15 years late
Higher specification of memory (2933 vs 2)
Newer PCIe version (4 vs 1)
More modern manufacturing process (10nm vs 90nm)