Xeon E7 2830 's Advantages
Higher base frequency (2.133GHz vs 1.8GHz)
Larger L3 cache size (24MB vs 20MB)
Intel Xeon E5 2630L v3 's Advantages
Released 3 years and 5 months late
Higher specification of memory (1866 vs 1333)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (55W vs 105W)