Xeon W 1390P 's Advantages
Released 10 years and 1 months late
Higher specification of memory (3200 vs 1333)
Higher base frequency (3.5GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Xeon E7 4820 's Advantages
Larger L3 cache size (18MB vs 16MB)
Lower TDP (105W vs 125W)