Intel Xeon E5 1603 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (2.8GHz vs 2.3GHz)
Larger L3 cache size (10MB vs 8MB)
Intel Xeon E3 1220L v2 's Advantages
Lower TDP (17W vs 140W)