Intel Xeon E5 2690 's Advantages
Higher base frequency (2.9GHz vs 2.6GHz)
Larger L3 cache size (20MB vs 12MB)
Xeon E 2414 's Advantages
Released 11 years and 9 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (55W vs 135W)