Intel Xeon E5 1686 v3 's Advantages
Larger L3 cache size (30MB vs 24MB)
Xeon E 2468 's Advantages
Released 9 years and 3 months late
Higher specification of memory (DDR5-4800 vs DDR4-2133)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (65W vs 135W)