Xeon E7 8830 's Advantages
Lower TDP (105W vs 115W)
Intel Xeon E7 4850 v3 's Advantages
Released 4 years and 2 months late
Higher specification of memory (1866 vs 1333)
Higher base frequency (2.2GHz vs 2.133GHz)
Larger L3 cache size (35MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)