Intel Xeon E5 2660 v3 's Advantages
Higher base frequency (2.6GHz vs 2.5GHz)
Larger L3 cache size (25MB vs 8MB)
Intel Xeon E3 1565L v5 's Advantages
Released 1 years and 8 months late
Higher specification of memory (2133 vs 2133)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 105W)