Xeon EC5539 's Advantages
Lower TDP (65W vs 270W)
Intel Xeon W 3365 's Advantages
Released 11 years and 5 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Higher base frequency (2.7GHz vs 2.266GHz)
Larger L3 cache size (48MB vs 4MB)
More modern manufacturing process (10nm vs 45nm)