Xeon E 2456 's Advantages
Released 13 years and 9 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Higher base frequency (3.3GHz vs 2.4GHz)
Larger L3 cache size (18MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)