Xeon E 2456 's Advantages
Released 9 years and 3 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.3GHz vs 2.4GHz)
Larger L3 cache size (18MB vs 15MB)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (80W vs 85W)