hey rachel, theres a stunning difference between laptop peformance and desktop peformance for the same money.
however ill guess u travel alot so you've got no choice.
but because of that you need to pay more money to enjoy games in high quality.
this is the first gaming laptop i see and u need to put more money in it its 800$
http://www.newegg.com/Product/Product.aspx?Item=N82E16834154112&ignorebbr=1
fallout 4 benchmarks with this kind of laptop
https://www.youtube.com/watch?v=Zk9GNW0kv7M
as you can see it caries between 50 and 60 fps.
from what country are you? maybe we get some better deals because im more familiar with european prices.