Dolphin is a CPU intensive program. You have one of the best laptop CPUs possible. You'll be fine for most games that don't need an overclock.
Use one of the latest dev builds (4.0-905 as of writing), make sure you have the latest Nvidia drivers, and follow the power plan and GPU performance part of this guide: https://forums.dolphin-emu.org/Thread-unofficial-laptop-performance-guide
Use one of the latest dev builds (4.0-905 as of writing), make sure you have the latest Nvidia drivers, and follow the power plan and GPU performance part of this guide: https://forums.dolphin-emu.org/Thread-unofficial-laptop-performance-guide