Comparing 2 robot vacuums
Your shortlist side by side: today’s price, our score and every fact the maker states.
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- Highest score
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- Best on the most facts
iRobot Roomba Combo 115On the market since April 2026
No price today
not in our ranking Best on 2 facts
Prices updated at 08:38Test results read on 9 Sept to 17 Oct
Side by side
Green is the best of these 2, also when they share the lead.
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|---|---|---|
| The facts that decide most | ||
| The lowest price today at a shop that delivers to you, delivery included. A price with an asterisk comes from a shop abroad, and its delivery cost is our own estimate. Lowest price | 353 €Amazon.de | – |
| Our own score out of 10: 60% test-site results, 25% shop ratings and 15% the maker’s facts. Price does not count. Score | not in our ranking | |
| The average of the stars buyers give at the shops, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | – |
| Suction in pascal, as the maker measures it. More pascal helps on carpet, but it says little about how well the robot picks grit off a hard floor. When it matters
When it matters less
Source
| – | 15,000 Pa |
| How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped. In this comparisonWhen it matters
When it matters less
Source
| 65 min | 100 min best |
| 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. In this comparisonWhen it matters
When it matters less
Source
| 20 mm best | 16 mm |
| How tall the robot is. It decides whether it fits under your sofa, bed or cabinet. In this comparisonWhen it matters
When it matters less
Source
| 9.9 cm | 7.9 cm best |
| How far the robot lifts the mop when it drives onto a carpet. From about 10 mm a medium pile stays dry. When it matters
When it matters less
Source
| – | no |
| How the robot maps your home and follows that map. Lidar measures with a laser and works in the dark, a camera looks along and recognises more. When it matters
When it matters less
Source | camera | LiDAR turret |
| Tests, rank and ratings | ||
| The test sites that have tested this model, each linked to its own review. Tests | Just A Dad Approved Vacuum Wars TechRadar Tom's Guide | – |
| Where the model stands in our ranking, among the robots with the same kind of station. Rank | rank 3 of 5 without a station | – |
| Mopping | ||
| How the mop is built: flat pads, two spinning discs or a roller. Discs press harder on dried-on dirt, a roller rinses itself while it works. When it matters
When it matters less
Source | no mop | flat or vibrating pad |
| The robot leaves the mop at the dock before it vacuums a carpet, so the carpet never gets wet. When it matters
When it matters less
Source
| – | no (assumed) |
| The dock washes the mop for you, so you do not rinse it by hand. When it matters
When it matters less
Source
| no | no |
| Drying is done with warm air instead of cold. It is faster and it helps against smell. When it matters
When it matters less
Source
| no | no |
| Station | ||
| The station the robot returns to, and what it does by itself, such as emptying the bin or washing and drying the mops. Station same on both | charging dock only | charging dock only |
| The dock can be connected to the tap and the drain, so you never fill or empty a tank. It does need a connection nearby. When it matters
When it matters less
Source
| no | no |
| Brush and obstacles | ||
| A brush that guides hair to the side instead of letting it wind around the shaft. It saves the cutting work in homes with long hair or pets. When it matters
When it matters less
Source | no | no (assumed) |
| How the robot sees loose things on the floor, such as cables, socks or a pet accident. A camera with depth sensing sees more than a bumper that reacts on contact. When it matters
When it matters less
Source | none | none |
| An extending leg or wheel that carries the robot over a high threshold. Without one it usually stops at about 2 cm. When it matters
When it matters less
Source | no (assumed) | no (assumed) |
| Noise and age | ||
| The noise in decibels, in the setting its source names: makers mostly give the standard setting, shops often the highest. 65 dB is like a vacuum at half power, 55 dB like a conversation. When it matters
When it matters less
Source
| 62 dB | – |
| The month the model first went on sale. It shows how old the technology in it is. On the market since | October 2023 | April 2026 |
| Suction and brushes | ||
| The side brush swings out in a corner or along a kickboard, so the dust there is swept in too. When it matters
When it matters less
Source | no | no (assumed) |
| Whether the robot copes with pet hair: a brush that hair does not wind around and a dock that empties the bin for you. Where the maker does not say so itself, we read it from those two. When it matters
When it matters less
Source
| no | – |
| Mopping | ||
| The pad slides out along a wall or a kickboard, so the last few centimetres are mopped as well. When it matters
When it matters less
Source
| – | yes |
| The robot returns to the dock during a run to rinse the mop, instead of pushing dirty water around. When it matters
When it matters less
Source
| – | no (assumed) |
| The robot or its dock works with steam. It loosens dried-on dirt and grease, or washes the mop hotter than water alone. When it matters
When it matters less
Source
| – | no (assumed) |
| Dock | ||
| The dock empties the robot’s dust bin, usually after every run. You only empty the dock’s bag or bin. When it matters
When it matters less
Source
| no | no |
| The dock dries the mop afterwards, so it does not sit there wet and start to smell. When it matters
When it matters less
Source
| no | no |
| The dock mixes detergent into the water itself, from its own bottle. When it matters
When it matters less
Source
| no | no |
| Navigation and obstacles | ||
| An arm on the robot that picks up small loose things such as socks, so they are not in its way. When it matters
When it matters less
Source
| – | no (assumed) |
| Robot | ||
| How wide the robot is. Narrower gets between chair legs more easily, wider usually means a bigger dust bin. In this comparisonWhen it matters
When it matters less
Source
| 33 cm | 30.3 cm |
| How much dust the robot holds before you empty it. It matters less with an auto-empty dock, which empties the bin after every run. When it matters
When it matters less
Source
| 500 ml | – |
| What the robot weighs. It counts most if you carry it up a staircase every day. When it matters
When it matters less
Source
| – | 2.15 kg |
| Battery | ||
| The capacity of the battery. It hints at the runtime, but how much the robot draws counts just as much. Source
| – | 2,500 mAh |
| Smart features and warranty | ||
| Matter is the standard that lets devices from different makers work together. With it you can run the robot outside the maker’s own app. When it matters
When it matters less
Source | no (assumed) | no (assumed) |
| Which voice assistants the robot works with, such as Google Assistant or Alexa. When it matters
When it matters less
Source | Alexa, Google Assistant | Alexa, Google Assistant, Siri |
| The warranty the maker gives in Germany. Consumer law here stands apart from it and can last longer. When it matters
When it matters less
Source
| – | 2 years |
| 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. When it matters
When it matters less
Source
| – | official integration |
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.