Opteron 2218 HE 's Advantages
Lower TDP (68W vs 71W)
Xeon E 2124G 's Advantages
Released 11 years and 5 months late
Higher specification of memory (2666 vs 2)
Newer PCIe version (3 vs 1)
Higher base frequency (3.4GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 90nm)