AMD Ryzen Embedded 8645HS's Advantages
Higher specification of memory (DDR5-5600 vs DDR5-4800)
Higher base frequency (4.3GHz vs 2.2GHz)
Lower TDP (45W vs 205W)
Intel Xeon Gold 5520's Advantages
Newer PCIe version (5 vs 4)
Larger L3 cache size (52.5MB vs 16MB)