Xeon E 2456 's Advantages
Released 11 years and 7 months late
Higher specification of memory (4800 vs 3)
Higher base frequency (3.3GHz vs 2GHz)
Larger L3 cache size (18MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2418L 's Advantages
Lower TDP (50W vs 80W)