Intel Xeon E5 2623 v3 's Advantages
Lower TDP (105W vs 175W)
Xeon w3 2525 's Advantages
Released 9 years and 11 months late
Higher specification of memory (4400 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.5GHz vs 3GHz)
Larger L3 cache size (22.5MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)