Opteron 6168 's Advantages
Lower TDP (115W vs 190W)
Intel Xeon Platinum 8356H 's Advantages
Released 11 years and 1 months late
Higher specification of memory (DDR4-2933 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.9GHz vs 1.9GHz)
Larger L3 cache size (35.75MB vs 12MB)