Intel Xeon E5 2678 v3 's Advantages
Larger L3 cache size (30MB vs 15MB)
Lower TDP (120W vs 130W)
Intel Xeon w3 2425 's Advantages
Released 8 years and 1 months late
Higher specification of memory (4400 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3GHz vs 2.5GHz)
More modern manufacturing process (10nm vs 22nm)