Intel Xeon Platinum 8351N 's Advantages
Released 14 years and 5 months late
Higher specification of memory (DDR4-2933 vs DDR3
Depends on motherboard)
Higher base frequency (2.4GHz vs 2.333GHz)
More modern manufacturing process (10nm vs 65nm)
Xeon E5345 's Advantages
Lower TDP (80W vs 225W)