Intel Xeon E5 2698B v3 's Advantages
Larger L3 cache size (40MB vs 18MB)
Xeon E 2456 's Advantages
Released 8 years and 11 months late
Higher specification of memory (DDR5-4800 vs DDR4-2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.3GHz vs 2GHz)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (80W vs 135W)