Many laptops that have HDMI or DisplayPort are wired directly to the discrete GPU which means that connecting an external monitor to one of these laptops should boost the gaming performance. There will be no difference in the performance If the port is connected to the lower-powered integrated graphics.22 Jul 2020
Can I use a gaming laptop with a monitor?
If you own a modern gaming laptop (Nvidia 20-series GPU or equivalent), it should handle a dual high-resolution display without breaking a sweat. Running a dual 1440p monitor setup is substantially more taxing than a similar 1080p setup.3 May 2019
Can you hook up a gaming laptop to a monitor?
Connect to multiple external monitors using the DisplayPort or HDMI ports on your docking station. This can allow for 4K displays or other advanced display features like higher refresh rates that your laptop might not natively support. Make use of a wired Ethernet connection through the docking station.