Intel Xeon E5 2608L v3 's Advantages
Higher specification of memory (1866 vs 4)
Larger L3 cache size (15MB vs 8MB)
Lower TDP (52W vs 80W)
Intel Xeon E3 1280 v5 's Advantages
Released 1 years and 1 months late
Higher base frequency (3.7GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)