Xeon W 1390P 's Advantages
Released 10 years and 1 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 2.2GHz)
Larger L3 cache size (16MB vs 3MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E3 1220L 's Advantages
Lower TDP (20W vs 125W)