Intel Xeon E5 1410 v2 's Advantages
Lower TDP (80W vs 135W)
Intel Xeon E5 1681 v3 's Advantages
Released 8 months late
Higher specification of memory (DDR4-2133 vs DDR3-1333)
Higher base frequency (2.9GHz vs 2.8GHz)
Larger L3 cache size (25MB vs 10MB)