Intel Xeon E3 1220L v3 's Advantages
Lower TDP (13W vs 105W)
Intel Xeon E5 4650 v3 's Advantages
Released 1 years and 9 months late
Higher specification of memory (DDR4-2133 vs DDR3-1600)
Higher base frequency (2.1GHz vs 1.1GHz)
Larger L3 cache size (30MB vs 4MB)