Intel Xeon E5 2603 v3 's Advantages
Larger L3 cache size (15MB vs 8MB)
Xeon E 2134 's Advantages
Released 3 years and 10 months late
Higher specification of memory (2666 vs 1600)
Higher base frequency (3.5GHz vs 1.6GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (71W vs 85W)