AMD Ryzen Embedded 8640U 's Advantages
Released 2 years and 1 months late
Higher specification of memory (DDR5-5600 vs DDR4-3200)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (28W vs 280W)
AMD Ryzen Threadripper PRO 5955WX 's Advantages
Higher base frequency (4GHz vs 3.5GHz)
Larger L3 cache size (64MB vs 16MB)