Intel Xeon E5 2665 's Advantages
Larger L3 cache size (20MB vs 16MB)
Lower TDP (115W vs 125W)
Xeon W 1370P 's Advantages
Released 9 years and 2 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.6GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)