Intel Xeon E3 1565L v5 's Advantages
Released 11 months late
Higher base frequency (2.5GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 120W)
Intel Xeon E5 4660 v3 's Advantages
Higher specification of memory (2133 vs 2133)
Larger L3 cache size (35MB vs 8MB)