Opteron 6274 's Advantages
Larger L3 cache size (16MB vs 8MB)
Xeon E 2224G 's Advantages
Released 7 years and 6 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 2.2GHz)
Lower TDP (71W vs 115W)