Intel Xeon w3 2425 's Advantages
Released 10 years and 9 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E3 1280 v2 's Advantages
Higher base frequency (3.6GHz vs 3GHz)
Lower TDP (69W vs 130W)