Xeon E7 8870 's Advantages
Higher base frequency (2.4GHz vs 1.9GHz)
Lower TDP (130W vs 350W)
Intel Xeon Platinum 8490H 's Advantages
Released 11 years and 9 months late
Higher specification of memory (4800 vs 1333)
Larger L3 cache size (112.5MB vs 30MB)
More modern manufacturing process (10nm vs 32nm)