Xeon W 1390P 's Advantages
Released 9 years and 2 months late
Higher specification of memory (3200 vs 1600)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5 2689 's Advantages
Larger L3 cache size (20MB vs 16MB)
Lower TDP (115W vs 125W)