This has been done thousands of times so far and it ends with the same answer. Beyonce is better at dancing, Gaga is better at making a show, both have excellent vocals. Done.
This thread has been made a million times. Beyoncé is definitely the better dancer and singer, she also has incredible stage presence. She could just stand there and still impress people.
The answer has always depended on what you like. If you are a person that enjoys theatrics and large spectacles, Gaga is your gurl. If you like showmanship and more raw performances, Bey is your gurl.
This has been done thousands of times so far and it ends with the same answer. Beyonce is better at dancing, Gaga is better at making a show, both have excellent vocals. Done.
Additionally, Gaga's shows are more visually ambitious, whereas Bey focuses on just band cohesion and strong choreo and video screens to serve visuals. They're both flawless, top-tier performers.