Hello. Can you guys please suggest me which rog should I go for?

I will be using the laptop for uni, gaming and casual media consumption. I'm eyeing the g715. But, I'm scared of the size.

The g501 FHD ver is nice and slim, bug I dunno about the thermal management.

And I dunno the difference between gtx960m and gtx970m? Is the difference large? Or just slightly different?