Xeon E 2456 's Advantages
Released 17 years and 4 months late
Higher specification of memory (4800 vs 667)
Newer PCIe version (5 vs 1)
Higher base frequency (3.3GHz vs 1.8GHz)
More modern manufacturing process (10nm vs 90nm)
Opteron 8210 EE 's Advantages
Lower TDP (45W vs 80W)