Xiaomi Robot Vacuum S40Pro EU
No test site has tested it yet, so it is not in our ranking.
- Clutter on the floor 3D sensor detects obstacles
Price since 9 Oct
Before you buy, compare it with 2 recommended alternatives
Beside it, two models on sale today that come closest to it on score and price, with the same kind of station where we have them.
Green is the best of these 3, also when they share the lead.
| This model Xiaomi Robot Vacuum S40Pro EU Best on 5 facts | Higher score, 33% cheaper Roborock Q7 M5 Best on 4 facts | Higher score, same price iRobot Roomba Combo 115 Best on 2 facts | |
|---|---|---|---|
| Most important facts | |||
| 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 | 209 €Saturn | 139 €OTTO best | 209 €Saturn |
| 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 | ★ 4.5 · 82 reviews | – | ★ 5.0 · 3 reviews |
| 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 | Just A Dad Approved |
| 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. In this comparisonWhen it matters
When it matters less
Source
| 15,000 Pa best | 10,000 Pa | 15,000 Pa best |
| 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
| 180 min best | 180 min best | 100 min |
| 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 | 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 | 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. In this comparisonWhen it matters
When it matters less
Source
| 10 mm best | no | no |
| How long the maker says a dust bag lasts with daily use. With pets or a lot of carpet it is shorter. When it matters
When it matters less
Source
| – | up to 30 days | – |
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.
Prices per shop
On 1 November 2026 the lowest price for the Xiaomi Robot Vacuum S40Pro EU is 209 € at Saturn, delivery to Germany included.
All prices include VAT and delivery to Germany. We may earn a commission when you buy through these links. It never changes our ranking.
At the same price, a shop in your own country comes first, then a shop selling its own stock before a marketplace seller, then the shorter delivery time, then free returns and the longer return window. Commission never counts.
Price history
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Xiaomi Robot Vacuum S40Pro EU specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Xiaomi · on the market since November 2025
Dimensionsrobot and dock
From the published dimensions. The robot passes under furniture with 10 cm of clearance or more.
Suction and brushes 4 facts
- Suction power
Among the models we track
15,000 Pa on this model
Lowest
450 Pa Highest
42,000 Pa Middle
6,000 PaHigher than 775 of the 998 models we track.
When it matters
- Deep-pile carpet and rugs, where dust sinks in.
- Pet hair, sand and crumbs trodden into fibres.
When it matters less
- On hard floors the gain from a higher figure is small: the dust lies on top.
Source: mi.com · checked on 25 Sept
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.
- 15,000 Pa
- Anti-tangle brush
529 of the 557 models we track have this.
When it matters
- Long hair and pet hair, which wrap around a bristle brush.
- Homes where you would rather not cut hair off the brush.
When it matters less
- Short hair and few pets hardly tangle anyway.
Source: mi.com · checked on 25 Sept
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.
- yes
- Extending side brush
When it matters
- Corners and edges along kickboards, where a round robot leaves a strip of dust.
- Rooms with many walls and furniture edges.
When it matters less
- In open rooms with few corners it adds little.
Source: mi.com · checked on 25 Sept
The side brush swings out in a corner or along a kickboard, so the dust there is swept in too.
- yes
- Carpet detection
When it matters
- Rugs and carpets, where the robot should raise its suction.
- Mopping in a home with rugs, which have to stay dry.
When it matters less
- Without carpets or rugs it has nothing to detect.
Source: mi.com · checked on 2 Oct
The robot notices when it drives onto a carpet. Most then raise their suction, and a mopping robot lifts its mop or leaves it at the dock.
- detects carpet and boosts suction
Mopping 6 facts
- Mop type
When it matters
- Homes with a lot of hard floor that you want mopped, not just wiped.
- Dried-on dirt in a kitchen, which spinning pads or a roller scrub off better than a dragged cloth.
When it matters less
- If you only vacuum, the mop’s build decides nothing.
Source: mi.com · checked on 26 Sept
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.
- spinning pads
- Mop lift on carpet
Among the models we track
10 mm on this model
Lowest
5 mm Highest
30 mm Middle
10.5 mmLower than 152 of the 295 models we track.
When it matters
- Homes with rugs and hard floors side by side.
- Mopping without the robot leaving the rugs damp.
When it matters less
- Without rugs the mop never has to lift.
Source: mi.com · checked on 8 Oct
How far the robot lifts the mop when it drives onto a carpet. From about 10 mm a medium pile stays dry.
- 10 mm
- Mop extends to the edges
When it matters
- Kitchens and hallways where dirt gathers along the kickboard.
- Homes with many corners and table legs.
When it matters less
- In open rooms the strip it leaves along the wall is small.
Source: mi.com · checked on 25 Sept
The pad slides out along a wall or a kickboard, so the last few centimetres are mopped as well.
- yes
- Automatic mop detach
When it matters
- Homes with carpets or rugs that should stay dry.
- High-pile rugs that no mop lift clears.
When it matters less
- Without carpets the mop can stay on.
Source: mi.com · checked on 10 Oct
The robot leaves the mop at the dock before it vacuums a carpet, so the carpet never gets wet. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- Mop refreshed while mopping
When it matters
- Large hard floors, where a mop that is never rinsed spreads dirt around.
- Kitchens with sticky spills.
When it matters less
- In a small home the mop does not get dirty enough in one run for it to matter.
Source: mi.com · checked on 27 Oct
The robot returns to the dock during a run to rinse the mop, instead of pushing dirty water around. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- Water tank in the robot
When it matters
- Large hard floors mopped in one go.
- A robot whose dock does not refill it during a run.
When it matters less
- With a dock that refills the robot during the run, the tank’s size hardly matters.
Source: mi.com · checked on 25 Sept
How much clean water the robot carries. It sets how long it mops before a refill, which a dock does by itself.
- 310 ml
Navigation and obstacles 6 facts
- Navigation
When it matters
- Several rooms, where a map lets you send the robot to one of them.
- Cleaning in the dark, which lidar does and a camera alone does not.
When it matters less
- In one open room even simple navigation covers the floor.
Source: mi.com · checked on 3 Oct
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.
- LiDAR turret
- Obstacle avoidance
When it matters
- Cables, socks and toys left on the floor.
- Pets, whose accidents a robot should steer around.
When it matters less
- In a home that is tidied before each run it matters less.
Source: mi.com · checked on 3 Oct
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.
- 3D sensor (structured light)
- Climbs thresholds up to
Among the models we track
20 mm on this model
Lowest
3 mm Highest
60 mm Middle
20 mmHigher than 372 of the 977 models we track.
When it matters
- Door sills and raised strips between rooms.
- Thick rugs whose edge the robot has to climb.
When it matters less
- In a flat home with no sills it decides nothing.
Source: mi.com · checked on 3 Oct
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.
- 20 mm
- Climbing system for high thresholds
When it matters
- Door sills higher than most robots can take.
- Thick rugs and raised doorsteps between rooms.
When it matters less
- In a home without sills it decides nothing.
Source: mi.com · checked on 10 Oct
An extending leg or wheel that carries the robot over a high threshold. Without one it usually stops at about 2 cm. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- No-go zones
When it matters
- Pet bowls, a play corner or a rug with tassels the robot should skip.
- Places where it gets stuck, such as under a low chair.
When it matters less
- In a clear home with nothing to avoid you will rarely use it.
Source: mi.com · checked on 2 Oct
How you keep the robot out of a place: a zone you draw in the app, a virtual wall or a magnetic strip on the floor.
- zones in the app
- Recharge and resume
When it matters
- Large homes the robot cannot finish on one charge.
- Carpets, which drain the battery faster.
When it matters less
- In a small home the robot finishes before it needs to charge.
Source: mi.com · checked on 2 Oct
When the battery runs low in the middle of a run, the robot recharges and then carries on where it stopped.
- yes
Robot 5 facts
- Robot height
Among the models we track
9.9 cm on this model
Lowest
5.6 cm Highest
36.1 cm Middle
9.5 cmHigher than 807 of the 1073 models we track.
When it matters
- Sofas, beds and cabinets with little room underneath.
- Dust that gathers under furniture you never move.
When it matters less
- With furniture on high legs or flat on the floor it decides nothing.
Source: mi.com · checked on 3 Oct
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 9.9 cm
- Robot diameter
When it matters
- Dining chairs and tables with legs close together.
- Narrow gaps between furniture and walls.
When it matters less
- In a room with little furniture the robot’s width decides little.
Source: mi.com · checked on 27 Oct
How wide the robot is. Narrower gets between chair legs more easily, wider usually means a bigger dust bin.
- 35.5 cm
- Robot weight
When it matters
- Carrying the robot up and down the stairs to clean another floor.
- A home on several floors with one robot for all of them.
When it matters less
- If it stays on one floor, its weight does not matter.
Source: mi.com · checked on 27 Oct
What the robot weighs. It counts most if you carry it up a staircase every day.
- 4.2 kg
- Dust bin in the robot
When it matters
- A robot without an auto-empty dock, which you empty by hand.
- Pets and long hair, which fill a small bin within one run.
When it matters less
- With an auto-empty dock the bin is emptied after every run, so its size hardly matters.
Source: mi.com · checked on 27 Oct
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.
- 430 ml
- Noise while cleaning
Among the models we track
70 dB on this model
Lowest
20 dB Highest
80 dB Middle
65 dBHigher than 562 of the 674 models we track.
When it matters
- Cleaning while you work, sleep or watch TV at home.
- Open-plan living spaces where sound carries.
When it matters less
- When it runs while nobody is home the figure hardly matters.
Source: bol.com · checked on 30 Oct
The noise in decibels while cleaning, 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. Emptying by the dock is louder and listed on its own.
- 70 dB
Battery 2 facts
- Battery capacity
Source: mi.com · checked on 25 Sept
The capacity of the battery. It hints at the runtime, but how much the robot draws counts just as much.
- 5,200 mAh
- Runtime per charge
Among the models we track
180 min on this model
Lowest
40 min Highest
360 min Middle
150 minHigher than 630 of the 1103 models we track.
When it matters
- Large homes or several floors cleaned in one go.
- Carpet, where the robot uses more power.
When it matters less
- In a small home most robots finish well before the battery runs low.
Source: bol.com · checked on 30 Oct
How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped.
- 180 min
Smart features and warranty 3 facts
- Matter
When it matters
- Running the robot alongside devices from other makers in one app.
- Not wanting to depend on the maker’s own app.
When it matters less
- If the maker’s app is all you use, it adds nothing.
Source: mi.com · checked on 27 Oct
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. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- Voice assistants
When it matters
- Starting the robot by voice while your hands are full.
- A home already run with Alexa, Google or Siri.
When it matters less
- If you start it from the app or a schedule, you will not miss it.
Source: mi.com · checked on 27 Oct
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Google Assistant
- Warranty
When it matters
- A robot with a dock full of pumps and moving parts, where more can break.
- An expensive robot you plan to keep for years.
When it matters less
- For a cheap robot you would replace rather than repair, the extra years count for less.
Source: bol.com · checked on 30 Oct
The warranty the maker gives in Germany. Consumer law here stands apart from it and can last longer.
- 3 years
Frequently asked questions about the Xiaomi Robot Vacuum S40Pro EU
What has the Xiaomi Robot Vacuum S40Pro EU cost?
Since we began measuring on 9 October 2026, its lowest price was 209 € (1 November 2026, at Saturn) and its highest 210 € (9 October 2026). On average it cost 210 €. Each figure is the lowest price of a day at the shops we follow.
How do buyers rate the Xiaomi Robot Vacuum S40Pro EU?
Buyers rate the Xiaomi Robot Vacuum S40Pro EU 4.5 out of 5, from 82 reviews at Saturn (DE). We read the ratings on 1 November 2026.
Can the Xiaomi Robot Vacuum S40Pro EU mop?
Yes, with two spinning mop pads.
Does the Xiaomi Robot Vacuum S40Pro EU work with Alexa, Google Home or Siri?
It works with Alexa and Google Assistant.
How high a threshold can the Xiaomi Robot Vacuum S40Pro EU climb?
Thresholds up to 20 mm, the maker says. Measure your own thresholds: the ones to a bathroom or balcony are often higher.
Does the Xiaomi Robot Vacuum S40Pro EU fit under low furniture?
The robot is 9.9 cm tall, so it fits under furniture with at least 10 cm of clearance.
The maker
Xiaomi
- Reviews on Trustpilot
- Headquarters: China
- Founded in 2010
Xiaomi Corporation is a consumer electronics and smart manufacturing company whose products include smartphones, electric vehicles and smart home hardware such as robot vacuum cleaners. It was founded on 6 April 2010 and has been listed on the Main Board of the Hong Kong Stock Exchange since 9 July 2018. Its head office is at Xiaomi Campus in Haidian District, Beijing, China.



