AMD Ryzen Embedded 8840U 's Advantages
Higher base frequency (3.3GHz vs 2.6GHz)
More modern manufacturing process (4nm vs 5nm)
Lower TDP (28W vs 235W)
Xeon 6553P B 's Advantages
Released 10 months late
Higher specification of memory (6400 vs 5600)
Newer PCIe version (5 vs 4)
Larger L3 cache size (144MB vs 16MB)