Intel Xeon E3 1220 v3 's Advantages
Lower TDP (80W vs 125W)
Xeon W 1370P 's Advantages
Released 7 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR3-1600)
Newer PCIe version (4 vs 3)
Higher base frequency (3.6GHz vs 3.1GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)