iRobot Roomba 620
No lab has tested it yet, so it is not in our ranking.
Which robot is right for your home? Find out in 7 questions →
Before you buy, compare it with 2 recommended alternatives
No shop here sells this model today, so beside it the highest-scored model with the same kind of station that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model iRobot Roomba 620 Best on 1 fact | Cheapest of the top 10 Roborock Q7 L5 Best on 2 facts | Highest score here Tikom G8000 Max Best on 3 facts | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | 111 €Amazon.de best | 169 €Amazon.de |
| Score | not in our ranking | best | |
| Rank | – | rank 2 of 2 without a station | rank 1 of 2 without a station |
| Customer rating | ★ 4.4 · 2,734 reviews best | ★ 4.1 · 2,342 reviews | ★ 4.4 · 4,566 reviews best |
| Mopping | |||
| Mop type | – | flat or vibrating pad | flat or vibrating pad |
| Washes the mop | – | no | no |
| Hot-air drying | – | no | – |
| Station | |||
| Station same on all | charging dock only | charging dock only | charging dock only |
| Plumbing hookup | – | no | – |
| Brush and obstacles | |||
| Anti-tangle brush | – | yes | – |
| Obstacle avoidance | – | – | none |
| Climbs thresholds up to higher is better | 16 mm | 20 mm best | 18 mm |
| Size, noise and age | |||
| Robot height lower is better | 9.1 cm | 9.9 cm | 7.6 cm best |
| On the market since | – | January 2025 | March 2025 |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
iRobot Roomba 620 specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Dimensionsrobot and dock
From the published dimensions. The robot passes under furniture with 10 cm of clearance or more.
Navigation and obstacles 1 fact
- Climbs thresholds up to
The highest threshold the robot takes, as the maker states it. Measure your own: the step into a bathroom or onto a balcony is often higher.
- 16 mm
Robot 3 facts
- Robot height
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 9.1 cm
- Robot diameter
How wide the robot is. Narrower gets between chair legs more easily, wider usually means a bigger dust bin.
- 34.8 cm
- Robot weight
What the robot weighs. It counts most if you carry it up a staircase every day.
- 3.58 kg
Battery 2 facts
- Battery capacity
The capacity of the battery. It hints at the runtime, but how much the robot draws counts just as much.
- 3,000 mAh
- Runtime per charge
How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped.
- 60 min
Smart features and warranty 1 fact
- Home Assistant
Whether the robot works with Home Assistant, the home automation software you run yourself. Official means the integration comes with Home Assistant itself, community that volunteers maintain it.
- official integration
Sources: homesupport.irobot.com · home-assistant.io
Frequently asked questions about the iRobot Roomba 620
How high a threshold can the iRobot Roomba 620 climb?
Thresholds up to 16 mm, the maker says. Measure your own thresholds: the ones to a bathroom or balcony are often higher.
Does the iRobot Roomba 620 fit under low furniture?
The robot is 9.1 cm tall, so it fits under furniture with at least 10 cm of clearance.
How long does the iRobot Roomba 620 run on one charge?
60 minutes on its quietest setting.


