Opteron 4310 EE 's Advantages
Lower TDP (35W vs 95W)
Xeon E 2278G 's Advantages
Released 6 years and 5 months late
Higher specification of memory (2666 vs 1600)
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 2.2GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)