iRobot Roomba 877 VS. iRobot Roomba i7

Its height is 3.62 inches. Similar height with all Roomba Vacuum cleaners. It can clean under furniture effectively.

1991 Sq.ft – can be used in both medium and large rooms

1700 Pa – stronger than most robot vacuums

Due to its High-Efficiency Filter which captures 99% of pet allergens and the Premium 3-stage cleaning System which captures more pet hair in a single pass. This model is ideal for homes with pets.

Its Dual Multi-Surface Rubber Brushes keep close contact with the surface, so they can clean wall edges and corners effectively

120 minutes – enough to clean a large room or apartment

N/A

Its cleaning brush is designed with rubber treads that work on different floor surfaces - hard floors and carpets. They do adjust and flex so as to capture every small particle and dirt.

Its Power boots function and Power-Lifting suction will deliver 10X more air for deep carpet cleaning

Can be used in large rooms due to its long run time of 120 minutes.

Yes, Roomba i7 auto docks its self after the 120 run time and recharges the battery to full capacity – getting ready for next usage.

After recharging the battery, Roomba i7 will auto resume with the cleaning task. It will start from where it stopped.

It can clean from room-to-room. The robot uses an Imprint Smart Mapping technology which helps it to know each room in your house. So it will clean from one room to another.

Uses its strong camera and sensors to detect cliffs and stairs.

Noise level is 65 db – not too loud as vacuum sticks.

Boosts suction power 10x when it gets to areas with lots of dust. It also boosts its power when it gets to thick carpets.

Features a High Efficiency HEPA filtration system which captures 99% of allergens, dust mites and small particles that could make you sick.

With the Imprint™ Smart Mapping technology and iAdapt 3.0 Navigation, Roomba i7 will plan and understand the entire floor of your home or apartment.

Uses the Advanced Dirt Detect Technology to detect high concentration of dirt in an area thus perform concentrated cleaning in that area.

Can be operated with a mobile application or a voice control device like Amazon Alexa. Create cleaning schedules via your mobile app and also monitor performance.

Install iRobot mobile application and connect with Roomba i7 from anywhere.

Uses wifi connectivity to sync with Amazon Alexa and iRobot mobile App

Can be controlled by voice using Amazon Alexa. All you have to do is to speak with Amazon Alexa to turn on Roomba i7.

Use the Spot Mode to command Roomba i7 to thoroughly clean areas with high concentration of dirt

3.62 inches – height. With this low profile, Roomba i7 go under the sofa and low profile furniture above 3.62 inches

3300 mAh

500 ml

Comes with a dual mode virtual wall barrier

13.3 x 13.3 x 3.6 inches

7.45 pounds

• Long battery runtime • HEPA Filtration • Equally good on hardwood and carpet • Ideal for regular cleaning • Cleans Effectively • Hassle Free Operation • Very Easy To Use • Cleans Under Furniture • Can be controlled with a smart phone • Strong suction power • Mapping and Smart Navigation system

• It is not fast • Small dust bin • Automatic Dirt Disposal is sold separately