AMD EPYC 7H12 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Larger L3 cache size (256MB vs 105MB)
Lower TDP (280W vs 350W)
Intel Xeon Max 9470 's Advantages
Released 3 years and 4 months late
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Newer PCIe version (5 vs 4)