AMD Ryzen Embedded 8840U 's Advantages
Higher specification of memory (5600 vs 4800)
Higher base frequency (3.3GHz vs 2.0GHz)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (28W vs 300W)
Intel Xeon Platinum 8558U 's Advantages
Newer PCIe version (5 vs 4)
Larger L3 cache size (260MB vs 16MB)