Roborock Saros 20X
No store we follow ships this model to the United States. This page says what it can do, and which similar robots you can buy here.
Which robot is right for your home? Find out in 7 questions →
Before you buy, compare it with 2 recommended alternatives
No store 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 Roborock Saros 20X Best on 3 facts | Cheapest of the top 10 Roborock Qrevo 2 Pro Best on 3 facts | Highest score here Roborock Saros 20 Flow Best on 3 facts | |
|---|---|---|---|
| Price and ranking | |||
| The lowest price today at a store that ships to you, shipping included. A price with an asterisk comes from a store abroad, and its shipping cost is our own estimate. Lowest price | – | $549Roborock (brand store) best | $1,499Roborock (brand store) |
| Our own score out of 10: 60% test-site results, 25% store ratings and 15% the maker’s facts. Price does not count. Score | not in our ranking | best | |
| The test sites that have tested this model, each linked to its own review. Tests | – | Just A Dad Approved | Just A Dad Approved |
| Where the model stands in our ranking, among the robots with the same kind of station. Rank | – | rank 12 of 85 with an all-in-one station | rank 1 of 85 with an all-in-one station |
| The average of the stars buyers give at the stores, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | – | – |
| 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
Source
| spinning pads | spinning pads | roller mop |
| How far the robot lifts the mop when it drives onto a carpet. From about 0.4 in (10 mm) a medium pile stays dry. In this comparisonWhen it matters
Source
| 0.6 in (15 mm) | 0.6 in (15 mm) | 0.6 in (15 mm) |
| The robot leaves the mop at the dock before it vacuums a carpet, so the carpet never gets wet. When it matters
Source
| yes (best) | yes (best) | no |
| The dock washes the mop for you, so you do not rinse it by hand. When it matters
Source
| – | yes | yes |
| Drying is done with warm air instead of cold. It is faster and it helps against smell. When it matters
Source
| yes | yes | yes |
| 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 all | all-in-one station | all-in-one station | all-in-one station |
| How long the maker says a dust bag lasts with daily use. With pets or a lot of carpet it is shorter. In this comparisonWhen it matters
Source
| – | up to 170 days best | up to 65 days |
| 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
Source
| – | no (assumed) | no (assumed) |
| 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
Source
| yes | yes | yes |
| 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
Source
| – | 3D sensor (structured light) | AI camera |
| 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
Source
| – | 0.8 in (20 mm) | 1.8 in (45 mm) best |
| An extending leg or wheel that carries the robot over a high threshold. Without one it usually stops at about 0.8 in (2 cm). When it matters
Source
| yes (best) | no (assumed) | yes (best) |
| Size, noise and age | |||
| How tall the robot is. It decides whether it fits under your sofa, bed or cabinet. In this comparisonWhen it matters
Source
| 3.1 in (8 cm) best | 3.8 in (9.7 cm) | 3.5 in (9 cm) |
| The noise in decibels, in the setting its source names: makers mostly give the standard setting, stores often the highest. 65 dB is like a vacuum at half power, 55 dB like a conversation. In this comparisonWhen it matters
Source
| 63 dB | 63 dB | – |
| The month the model first went on sale. It shows how old the technology in it is. On the market since | – | July 2026 | September 2026 |
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.
Roborock Saros 20X specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
Dimensionsrobot and dock
From the published dimensions. The robot passes under furniture with 3.2 in of clearance or more. The dock needs a spot 15 in wide and 18.7 in deep.
Suction and brushes 2 facts
- Anti-tangle brush
473 of the 493 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.
- Short hair and few pets hardly tangle anyway.
Source: bol.com · checked on Sep 29
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 baseboards, where a round robot leaves a strip of dust.
- Rooms with many walls and furniture edges.
- In open rooms with few corners it adds little.
Source: de.roborock.com · checked on Oct 10
The side brush swings out in a corner or along a baseboard, so the dust there is swept in too.
- yes
Mopping 4 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.
- If you only vacuum, the mop’s build decides nothing.
Source: bol.com · checked on Sep 29
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
0.6 in (15 mm) on this model
Lowest
0.2 in (5 mm) Highest
1.2 in (30 mm) Middle
0.4 in (10.5 mm)Higher than 225 of the 282 models we track.
When it matters
- Homes with rugs and hard floors side by side.
- Mopping without the robot leaving the rugs damp.
- Without rugs the mop never has to lift.
Source: coolblue.nl · checked on Oct 8
How far the robot lifts the mop when it drives onto a carpet. From about 0.4 in (10 mm) a medium pile stays dry.
- 0.6 in (15 mm)
- Mop extends to the edges
When it matters
- Kitchens and hallways where dirt gathers along the baseboard.
- Homes with many corners and table legs.
- In open rooms the strip it leaves along the wall is small.
Source: de.roborock.com · checked on Oct 10
The pad slides out along a wall or a baseboard, so the last few inches are mopped as well.
- yes
- Automatic mop detach
51 of the 108 models we track have this.
When it matters
- Homes with carpets or rugs that should stay dry.
- High-pile rugs that no mop lift clears.
- Without carpets the mop can stay on.
Source: de.roborock.com · checked on Oct 10
The robot leaves the mop at the dock before it vacuums a carpet, so the carpet never gets wet.
- yes
Dock 4 facts
- Dries the mop
When it matters
- Mopping often, since a damp mop in the dock starts to smell.
- Humid rooms, where a mop dries slowly.
- If you take the pads off and wash them yourself, you will not miss it.
Source: de.roborock.com · checked on Oct 10
The dock dries the mop afterwards, so it does not sit there wet and start to smell.
- yes
- Hot-air drying
245 of the 295 models we track have this.
When it matters
- Mopping daily, when the mop barely dries before the next run.
- A smell from the dock in a warm or humid home.
- If you mop only now and then, cold air dries the mop in time.
Source: de.roborock.com · checked on Oct 10
Drying is done with warm air instead of cold. It is faster and it helps against smell.
- yes
- Dispenses detergent
When it matters
- Kitchens and greasy floors, where water alone leaves a film.
- Not wanting to add cleaner by hand each time.
- Some floors, such as oiled wood, are best mopped with water only, so there it adds nothing.
Source: de.roborock.com · checked on Oct 10
The dock mixes detergent into the water itself, from its own bottle.
- yes
- Dock size (w × d × h)
When it matters
- A small hallway or a niche where the dock has to fit.
- Placing the dock under a cabinet or a counter.
- Along an open wall with room to spare it decides little.
Source: de.roborock.com · checked on Sep 29
The width, depth and height of the dock. Measure the spot you have in mind, and leave room for the lid and for the robot driving in.
- 15 × 18.7 × 19.2 in (38.1 × 47.5 × 48.8 cm)
Navigation and obstacles 1 fact
- Climbing system for high thresholds
63 of the 116 models we track have this.
When it matters
- Door sills higher than most robots can take.
- Thick rugs and raised doorsteps between rooms.
- In a home without sills it decides nothing.
Source: de.roborock.com · checked on Oct 10
An extending leg or wheel that carries the robot over a high threshold. Without one it usually stops at about 0.8 in (2 cm).
- yes
Robot 5 facts
- Robot height
Among the models we track
3.1 in (8 cm) on this model
Lowest
2.2 in (5.6 cm) Highest
5.7 in (14.5 cm) Middle
3.7 in (9.5 cm)Lower than 769 of the 1002 models we track.
When it matters
- Sofas, beds and cabinets with little room underneath.
- Dust that gathers under furniture you never move.
- With furniture on high legs or flat on the floor it decides nothing.
Source: de.roborock.com · checked on Sep 29
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 3.1 in (8 cm)
- Robot diameter
When it matters
- Dining chairs and tables with legs close together.
- Narrow gaps between furniture and walls.
- In a room with little furniture the robot’s width decides little.
Source: de.roborock.com · checked on Sep 29
How wide the robot is. Narrower gets between chair legs more easily, wider usually means a bigger dust bin.
- 13.9 in (35.3 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.
- If it stays on one floor, its weight does not matter.
Source: de.roborock.com · checked on Sep 29
What the robot weighs. It counts most if you carry it up a staircase every day.
- 11.1 lb (5.05 kg)
- Dust bin in the robot
When it matters
- A robot without a self-emptying dock, which you empty by hand.
- Pets and long hair, which fill a small bin within one run.
- With a self-emptying dock the bin is emptied after every run, so its size hardly matters.
Source: bol.com · checked on Sep 29
How much dust the robot holds before you empty it. It matters less with a self-emptying dock, which empties the bin after every run.
- 260 ml
- Noise
Among the models we track
63 dB on this model
Lowest
38 dB Highest
80 dB Middle
65 dBLower than 273 of the 475 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 runs while nobody is home the figure hardly matters.
Source: bol.com · checked on Sep 29
The noise in decibels, in the setting its source names: makers mostly give the standard setting, stores often the highest. 65 dB is like a vacuum at half power, 55 dB like a conversation.
- 63 dB
Battery 1 fact
- Runtime per charge
Among the models we track
180 min on this model
Lowest
45 min Highest
360 min Middle
150 minHigher than 557 of the 989 models we track.
When it matters
- Large homes or several floors cleaned in one go.
- Carpet, where the robot uses more power.
- In a small home most robots finish well before the battery runs low.
Source: bol.com · checked on Sep 29
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 2 facts
- Voice assistants
When it matters
- Starting the robot by voice while your hands are full.
- A home already run with Alexa, Google or Siri.
- If you start it from the app or a schedule, you will not miss it.
Source: bol.com · checked on Sep 29
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Google Assistant
- Home Assistant
When it matters
- A smart home run from Home Assistant.
- Automations, such as cleaning when everybody has left.
- If you only use the maker’s app, it adds nothing.
Source: home-assistant.io · checked on Oct 2
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: bol.com · de.roborock.com · coolblue.nl · home-assistant.io
Frequently asked questions about the Roborock Saros 20X
Can the Roborock Saros 20X mop?
Yes, with two spinning mop pads.
Does the Roborock Saros 20X work with Alexa, Google Home or Siri?
It works with Alexa and Google Assistant. Home Assistant has an official integration for this model.
Does the Roborock Saros 20X fit under low furniture?
The robot is 3.1 in (8 cm) tall, so it fits under furniture with at least 3.2 in of clearance.
How long does the Roborock Saros 20X run on one charge?
180 minutes on its quietest setting.
Does the Roborock Saros 20X lift its mop on carpet?
Yes, it lifts the mop 0.6 in (15 mm) as soon as it drives onto carpet. It can also leave the mop behind in the station, so the carpet stays dry.
The maker
Roborock
- Reviews on Trustpilot
- Headquarters: China
- Founded in 2014
Roborock, the trading name of Beijing Roborock Technology Co., Ltd., develops and makes robot vacuums and cordless stick vacuums. It was founded in July 2014 and is headquartered in Beijing, China, with research and branch offices in Shanghai and Shenzhen. Xiaomi invested in the company in September 2014, and its first product, the Mi Home Robotic Vacuum Cleaner, went on sale in September 2016.



