AMD Ryzen 7 2700U 's Advantages
Integrated graphics card
Lower TDP (15W vs 45W)
AMD Ryzen 5 PRO 8645HS 's Advantages
Released 6 years and 6 months late
Higher specification of memory (DDR5-5600 vs DDR4-2400)
Newer PCIe version (4 vs 3.0)
Higher base frequency (4.3GHz vs 2.2GHz)
Larger L3 cache size (16MB vs 4MB)
More modern manufacturing process (4nm vs 14nm)