Xeon E 2414 's Advantages
Released 10 years and 6 months late
Higher specification of memory (DDR5-4800 vs DDR3-1600)
Newer PCIe version (5 vs 3)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (55W vs 80W)
Intel Xeon E3 1240 v3 's Advantages
Higher base frequency (3.4GHz vs 2.6GHz)