Xeon W 1390P 's Advantages
Released 6 years and 8 months late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 3GHz)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2623 v3 's Advantages
Lower TDP (105W vs 125W)