If you want to purchase a gaming laptop, you have to keep in mind about such vital configuration that includes,
Proper hardware along with CPU and GPU.
Adequate upgradable VRAM and RAM.
Brilliant bright and flawless display.
Sufficient Storage of HDD and SSD.
Make sure also that the gaming laptop has an excellent output in sound. In order to get an immersive experience, such audio parts of a gaming laptop should always be excellent.