Automatic suction adjustment (dirt sensing) clean Sense Technology which is an infrared sensor which detects when your floor is dirty and ramps up the suction
Battery runtime / Charging time up to about 60 Minutes of runtime
Cleaning performance on carpet picked up 98% of the sand
Dust-bin capacity bigger canister
Dust-bin sealing (to prevent dust escape) all the sharks have a sealed canister
Automatic suction adjustment (dirt sensing) built-in infrared sensor that supposedly detects dust you can't even see and when it does that it increases the power
Battery runtime / Charging time about an hour
Cleaning performance on carpet 96.4 percent
Filtration quality (HEPA rating, multi-stage) sealed HEPA filtration system
Fold-flat or telescoping design one-of-a-kind wand that bends
Suction power (air watts) 17.5 kilopascals
User interface/display clarity LED display which I really like
Just Okay
Odor control / carbon-filter effectiveness I don't think it neutralizes any odors personally
Weight about nine pounds
Needs Improvement
Hair-wrap prevention / anti-tangle tech it basically failed