Xeon E7 2830 's Advantages
Higher base frequency (2.133GHz vs 2.1GHz)
Lower TDP (105W vs 125W)
Xeon D 2798NT 's Advantages
Released 10 years and 10 months late
Higher specification of memory (3200 vs 1333)
Larger L3 cache size (30MB vs 24MB)
More modern manufacturing process (10nm vs 32nm)