Xeon W 1370P 's Advantages
Released 7 years and 8 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.6GHz vs 1.8GHz)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2603 v2 's Advantages
Lower TDP (80W vs 125W)