iRobot Roomba s9 Plus VS. iRobot Roomba 650

Height is 3.2 inches. Very low profile design – so it can clean under low profile furniture.

1991 Sq.ft - Covers quite a wide area. Uses vSLAM Visual Navigation system to map and remember areas to be cleaned.

40x Suction Power - The 3 stage cleaning system detects thick carpets and boosts the robot's suction power 40 times - stronger than Roomba i7 Plus.

With the power boost technology, Roomba S9 can capture and remove pet hair left on carpets and hard floors. It also uses Dual Multi-Surface rubber brushes to clean wall edges where pet hair might hide.

With its D-shaped design and PerfectEdge Technology, Roomba s9 can perfectly clean Corners, Edges and the details in between.

120 minutes – just like Roomba i7 PLUS. This is a enough vacuuming time. If the room is not covered within that time, the robot will go back to the charging dock and resume with the cleaning process.

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Uses its Dual Multi-Surface Rubber to clean both hard floors and carpets. When it gets to carpets, it boosts its suction power 40 times

Cleans Deeper than all robotic vacuum cleaners on the market. When it gets to thick carpets, it boosts its suction power 40x thus living no dust in the carpet.

Can be used in very large rooms of about 1991 Sq.ft

Once the battery is low, the robot will automatically dock its self for re-charging.

After recharging, Roomba s9 PLUS continues with its cleaning tusk. However, it keeps memory of where it stopped, so that is where it resumes from.

Can clean from room to room. It maps the all floor and know where to start from.

With its strong sensing technology, Roomba s9 PLUS automatically detects stairs objects on the ground – it cleans around them but does not bump into them. When it comes to stairs, it avoids them to prevent accidents.

65 lb – the same noise level as Roomba i7 plus

It boosts suction power 40x – better than Roomba i7 plus and other robot vacuum cleaners on the market.

The High Efficiency HEPA filtration system will capture germs, air pollutants, pollen, dust and pet dander from the air in your room.

Uses the vSLAM Visual Navigation to map and remember all cleaning routes.

Comes with an Advanced Dirt Detect Technology which detects high concentration of dirt. So when it gets to an area with lots of dirt, it will spin over the same area capturing both large and small debris

Once the dust bin is full, the robot empties the bin on its own. So you don't have to bother yourself with emptying the bin.

Can be controlled with a mobile application. Via the phone, you can create cleaning schedules and monitor covered areas.

Yes, simply download iRobot Mobile App.

It is Wifi Enabled – sync it with your home Wifi and control it with Amazon Alexa device.

Create cleaning schedules for a week using iRobot HOME App.

Yes, can connect very well with Amazon Alexa. This will enable you control the device using voice commands.

The Spot Mode feature can be used to command Roomba s9 Plus to clean specific areas.

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3.62 inches tall - can go under furniture above 3.62 inches.

3300 mAh

500 ml

Has a full bin indicator which lights up when the bin is full. However, that shouldn’t worry you – simply because the robot will self empty its self.

12.2 x 12.2 x 3.5 inches

20 pounds

• Empties its self • 40x more suction power • Recharge & Resume, Intelligent Navigation, Entire Level Cleaning • Clean or schedule by room • Wi-Fi & Smart Home Connected • Cleans carpet and hard floors • 3-Stage Cleaning System • Automatic Dirt Disposal • Anti-Allergen System • Cleans Wall Edges and corners very well

• Expensive • Does not come with Virtual Walls