Intel Xeon E3 1280 v5 's Advantages
Released 2 years and 1 months late
Higher base frequency (3.7GHz vs 3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 130W)
Intel Xeon E5 1607 v2 's Advantages
Higher specification of memory (1600 vs 4)
Larger L3 cache size (10MB vs 8MB)