Xeon E 2186G 's Advantages
Higher base frequency (3.8GHz vs 3.4GHz)
Xeon E 2434 's Advantages
Released 5 years and 7 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (55W vs 95W)