Intel Xeon E3 1240 v2 's Advantages
Higher base frequency (3.4GHz vs 2GHz)
Lower TDP (69W vs 135W)
Intel Xeon E5 2698B v3 's Advantages
Released 2 years and 8 months late
Higher specification of memory (DDR4-2133 vs DDR3)
Larger L3 cache size (40MB vs 8MB)