AMD Ryzen 9 PRO 8945HS 's Advantages
Released 10 months late
Larger memory bandwidth (120GB/s vs 89.6GB/s)
Higher base frequency (4GHz vs 3.5GHz)
AMD Ryzen 5 Pro 7640U 's Advantages
Higher specification of memory (7500 vs 7500)
Newer PCIe version (4.0 vs 4)
Lower TDP (30W vs 54W)