The data shows that the average laptop CPU in 2024 has 56% better thread performance, and 123% better total performance, compared to the average laptop in 2019.
Laptop thread 2019: 1689 avg. score
Laptop total 2019: 6396 avg. score
Laptop thread 2024: 2643 avg. score
Laptop total 2024: 14288 avg. score
For the specific case, just look up the benchmarks for the CPUs you are comparing.