Intel Xeon E3 1220L v2 's Advantages
Lower TDP (17W vs 120W)
Intel Xeon E5 2678 v3 's Advantages
Released 2 years and 8 months late
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.5GHz vs 2.3GHz)
Larger L3 cache size (30MB vs 8MB)