Intel Xeon E5 2603 v2 's Advantages
Lower TDP (80W vs 210W)
Xeon w5 2545 's Advantages
Released 10 years and 11 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.5GHz vs 1.8GHz)
Larger L3 cache size (30MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)