Xeon E7 4870 's Advantages
Lower TDP (130W vs 250W)
Intel Xeon Gold 6542Y 's Advantages
Released 12 years and 8 months late
Higher specification of memory (5200 vs 1333)
Higher base frequency (2.9GHz vs 2.4GHz)
Larger L3 cache size (60MB vs 30MB)
More modern manufacturing process (10nm vs 32nm)