Intel Xeon E5 2630L v3 's Advantages
Lower TDP (55W vs 120W)
Intel Xeon E5 4660 v3 's Advantages
Released 9 months late
Higher specification of memory (DDR4-2133 vs DDR4-1866)
Higher base frequency (2.1GHz vs 1.8GHz)
Larger L3 cache size (35MB vs 20MB)