2.0GHz is too slow for Dolphin . Doesn't matter if you have an i7 or not
Turbo Boost will help it run faster (2.8GHz) if your laptop doesn't overheat .
Here is the guide that will guide you how to max out your laptop performance :
https://forums.dolphin-emu.org/Thread-unofficial-laptop-performance-guide
However ...
Since you have a multi-media laptop . There is no doubt it will overheat when you use both dedicated GPU and CPU
If laptop overheat , CPU and GPU will throttle and you will lose performance by a lot
Turbo Boost will help it run faster (2.8GHz) if your laptop doesn't overheat .
Here is the guide that will guide you how to max out your laptop performance :
https://forums.dolphin-emu.org/Thread-unofficial-laptop-performance-guide
However ...
Since you have a multi-media laptop . There is no doubt it will overheat when you use both dedicated GPU and CPU
If laptop overheat , CPU and GPU will throttle and you will lose performance by a lot
Laptop: (Show Spoiler)
Mini PC :: (Show Spoiler)