Both of them have their own merits but between the two, I would definitely go to online gambling. I'm that kind of a person who tend to do many things when I have my laptop with. Most of the time, I'm with this laptop doing different kind of stuff (money matters, reading, watching, etc.) and this just provides me an avenue to do my gambling sessions without lifting my ass off of the chair. This definitely limits my social interaction with other people but I'm not that type of individual in the first place. 
Correct, they both are a good place to do gambling but I do prefer online because it's convenient and comfortable since your at home and you can do other stuffs as well like, watch your favorite series while resting from gambling and etc. unlike if you go to a traditional casino, you're there mainly to gamble and perhaps socialize but i'm a home person, not very good in socializing so ill go with online casino.