There are two key differences:
a) Men and women often have different types of fat. Men tend to more often have so-called visceral fat, which lies under the muscle and cannot be removed with liposuction. Which type of fat you have is easily determined by the plastic surgeon in your personal consultation.
b) Liposuction is an excellent procedure for male breast reductions, especially when radio frequency assisted liposuction is added on. You may not need a surgical reduction with a longer recovery if your fat can be removed and your skin tightened with liposuction. Again, what works best for you is easily determined in a personal consultation.