Xeon W 1390P 's Advantages
Released 5 years and 4 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 2.8GHz)
Larger L3 cache size (16MB vs 8MB)
Intel Xeon E3 1515M v5 's Advantages
Lower TDP (45W vs 125W)