Xeon E7 2830 's Advantages
Lower TDP (105W vs 270W)
Intel Xeon w5 3435X 's Advantages
Released 11 years and 10 months late
Higher specification of memory (4800 vs 1333)
Higher base frequency (3.1GHz vs 2.133GHz)
Larger L3 cache size (45MB vs 24MB)
More modern manufacturing process (10nm vs 32nm)