Intel Xeon W 2123 's Advantages
Higher base frequency (3.6GHz vs 3.5GHz)
AMD Ryzen Embedded 8640U 's Advantages
Released 6 years and 8 months late
Higher specification of memory (DDR5-5600 vs DDR4-2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 8.25MB)
Lower TDP (28W vs 120W)