Intel Xeon E5 4603 's Advantages
Lower TDP (95W vs 175W)
Intel Xeon w5 2445 's Advantages
Released 10 years and 9 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (26.25MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)