Xeon E7 4850 's Advantages
Lower TDP (130W vs 270W)
Intel Xeon w7 3445 's Advantages
Released 11 years and 10 months late
Higher specification of memory (4800 vs 1333)
Higher base frequency (2.5GHz vs 2GHz)
Larger L3 cache size (52.5MB vs 24MB)
More modern manufacturing process (10nm vs 32nm)