Xeon E7 8830 's Advantages
Higher base frequency (2.133GHz vs 2GHz)
Lower TDP (105W vs 115W)
Intel Xeon E7 8880L v3 's Advantages
Released 4 years and 2 months late
Higher specification of memory (1866 vs 1333)
Larger L3 cache size (45MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)