Intel Xeon E5 1607 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.1GHz vs 2.1GHz)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 2658 's Advantages
Larger L3 cache size (20MB vs 10MB)
Lower TDP (95W vs 140W)