AMD Ryzen 9 7845HX's Advantages
Integrated graphics card
Newer PCIe version (5.0 vs 4)
Larger L3 cache size (64MB vs 16MB)
Lower TDP (45W vs 45W)
AMD Ryzen 7 PRO 8845HS's Advantages
Released 1 years and 3 months late
Higher specification of memory (DDR5-5600 vs DDR5-5200)
Higher base frequency (3.8GHz vs 3.0GHz)
More modern manufacturing process (4nm vs 5nm)