Xeon E 2134 's Advantages
Released 6 years and 2 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.5GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (71W vs 95W)
Intel Xeon E5 4603 's Advantages
Larger L3 cache size (10MB vs 8MB)