I've heard of c band sar, and x band sar. Is x band higher resolution? I understand it has properties where x sees through fewer things, but is x fundamentally

I've heard of c band sar, and x band sar. Is x band higher resolution? I understand it has properties where x sees through fewer things, but is x fundamentally better resolution or something? If not wouldn't higher wavelength be better for seeing through and resolving objects?