Xeon E 2456 's Advantages
Released 6 years late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Higher base frequency (3.3GHz vs 3GHz)
Larger L3 cache size (18MB vs 13.75MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (80W vs 120W)