Xeon E7 4850 's Advantages
Larger L3 cache size (24MB vs 22.5MB)
Lower TDP (130W vs 175W)
Xeon w3 2525 's Advantages
Released 13 years and 4 months late
Higher specification of memory (4400 vs 1333)
Higher base frequency (3.5GHz vs 2GHz)
More modern manufacturing process (10nm vs 32nm)