Xeon E 2434 's Advantages
Released 5 years late
Higher specification of memory (DDR5-4800 vs DDR4)
Higher base frequency (3.4GHz vs 2.7GHz)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (55W vs 205W)
Intel Xeon Platinum 8280 's Advantages
Larger L3 cache size (38.5MB vs 12MB)