I want to buy a cheap gaming laptop, because I’m a student so the budget can’t be too high, the price is about $800 if you have good ideas can recommend to me, thank you very much.
I had a similar problem in that I wanted to use a Laptop because I travel quite a lot but any "Gaming Laptop" that I could find with a decent GPU also has a 15+ inch screen, which is not good for using on an aircraft.
If you use an external GPU (eGPU) you can buy a more compact laptop (and lower cost) then use an eGPU on a TV to play.