I have both and the Hasselblad gets most of the use. There is no difference in the image quality if both are on a tripod.

Rollei TLR - one lens option, compact with waist level viewer, a bit awkward to handle, slow 3.5 lens (important to handhold), tiny filters/hood tiny tripod works fine with leaf shutter makes for a very compact kit, really poor view screen compared to acute matte in the Hassy

Hassy - Multiple lenses, great 45 deg finders+screens, everything is larger and heavier, better ergonomics IMHO for hand holding

I think I'd like my Rollei more with a better finder and use it when the larger kit makes no sense. Both work and have made great images. It all depends on what is important to you.