AMD Ryzen Embedded 8645HS 's Advantages
Higher specification of memory (5600 vs 4800)
Newer PCIe version (4 vs 3)
Higher base frequency (4.3GHz vs 2GHz)
Larger L3 cache size (16MB vs 6MB)
More modern manufacturing process (4nm vs 10nm)
Intel Atom x7809C 's Advantages
Lower TDP (25W vs 45W)