Shark DuoClean NV831 VS. Dyson V11 Animal

Features a suction-power of 185-Airwatts. Additionally, its Motor spins at up to 125,000rpm to create powerful suction.

Yes, it was designed to work for longer hours and it’s very powerful.

Features a Dynamic Load Sensor (DLS) system that automatically changes the motor speed between carpets and hard floors for powerful cleaning. Likewise, this device drives stiff nylon bristles deep into carpets to remove dirt & carbon-fiber-filaments to capture fine dust on hard floors.

The Dyson digital motor V11 spins at up-to 125,000rpm to help generate 20% more suction power than the Dyson Cyclone V10.

Comes with a Mini-Motorized-Tool that removes pet-hair and dirt from carpet and upholstery.

Up to 60-minutes of run-time Eco-Mode, 40-minutes in Auto-Mode & up-to 30-minutes in Boost Mode

It is acoustically engineered to absorb vibrations and dampen noise in-order to keep sound-levels down.

The Torque-drive-head drives stiff nylon bristles deep into carpet to remove dirt. This unit also intelligently optimizes suction to deep-clean carpets.

It takes 4.5-hours to get fully-charged.

Yes (with maintenance alerts).

This device quickly transforms to a handheld-device for quick clean-ups, spot-cleaning & cleaning of difficult places.

The cord-free stick, Low profile cleaner heads and slim design makes it easy to maneuver when cleaning low and awkward spaces.

Yes

Yes (it’s powered by 7-cell lithium-ion batteries).

It is light-weight and very powerful.

It quickly and easily transforms to a handheld-device for cleaning of the stairs, in the car and over sofas.

185-Airwatts (Boost-mode).

0.2-Gallons.

It features a fully-sealed filtration system that traps 99.97% of particles as small as 0.3-microns.

3-modes (Eco-mode, Auto-mode & Boost-mode).

Comes with a drop-in docking station that charges and stores the machine.

Torque-drive-head, mini-motorized-tool, crevice-tool, stubborn-dirt-brush, combination-tool & wand-storage-clip.

It’s of great quality & durability.

This device is expensive.

• Has twice the suction of any cord-free vacuum. • It runs for up to 60-minutes fade-free floor cleaning. • 14 cyclones generate forces of more than 79,000g. • Filter maintenance reminders and blockage reports. • Whole-machine filtration captures 99.97% of microscopic Allergens. • The unique battery powered system uses 7-cell lithium-ion batteries. • LED screen displays mode and machine maintenance alerts. • Intelligent cleaning modes of: Eco-mode, auto-mode and boost-mode. • Dyson DLS system automatically changes motor-speed between carpets & hard-floors. • High Torque cleaner head intelligently adapts to different floor types in Auto mode. • LCD screen displays run time countdown and machine performance in real-time.

 It is expensive.