Xeon E7 4850 's Advantages
Lower TDP (130W vs 250W)
Xeon 6740E 's Advantages
Released 13 years and 2 months late
Higher specification of memory (6400 vs 1333)
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (96MB vs 24MB)
More modern manufacturing process (5nm vs 32nm)