Intel Xeon E5 2603 v2 's Advantages
Lower TDP (80W vs 115W)
Intel Xeon E7 4850 v3 's Advantages
Released 1 years and 9 months late
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.2GHz vs 1.8GHz)
Larger L3 cache size (35MB vs 10MB)