You get a straight revs/pressure delivery from a supercharger therefore the boost is constant to the revs.

Turbos are far more efficient imo, with a Turbo the boost is an exponential delivery meaning the boost will keep increasing exponentialy until the whole thing explodes (hence why an actuator is needed). Turbos also have far less moving parts making them more reliable.

There are thousands of aspects to supercharges versus Turbos… but I’d always stick with a turbo….