A:Answer Hi Paul - Thanks for your interest in GE! If you are comparing Model #: JB655DKWW and Model #: JB750DJWW, both are self-cleaning, but JB750DJWW offers steam clean option. It also has True European Convection with Precise Air technology which includes a third heating element and a reversing fan that provides enhanced heat and air circulation. Play Video: https://www.youtube.com/embed/wpFm4FVS-Ak?rel=0 - Additional features are Convection Roast, Warm, Control Pad with numbers for easy programming, 6 Pass Broil (vs 4 Pass Broil), 3 Oven Racks (vs 2). Keep in touch at GEAppliances.com. Sue