Samsung, in my opinion is the better Smart TV. The interface of Smart TVs aren’t always user friendly but Samsung interface is pretty easy to get the hang of. This doesn’t mean that all Samsung models are better than all LG models because it really depends on what model you’re talking about.
You’ll have many people say LG is better so it really comes down to what you’re specifically looking for. Quality wise, if you choose the right models, both brands can offer high quality picture.
Price wise, both brands are pretty competitive. I think the biggest thing to consider is which operating system you prefer to use. For some, they may even find that after buying a Smart TV that they don’t actually need most of the built