The Smart Device Compare comparison

Narwal Freo X Ultra vs Roborock Saros 20 Flow

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Narwal Freo X Ultra and Roborock Saros 20 Flow

A summary of selected recorded differences between these robot vacuums. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Self Emptying (features): Narwal Freo X Ultra — No (The base station has no dust collection. Narwal contrasts the Freo X Ultra with robots that empty into their station, describing a built-in system that compresses dust into the robot's own disposable bag instead); Roborock Saros 20 Flow — Yes.
Apple Home (integrations): Narwal Freo X Ultra — No (Narwal names only Alexa, Google and Siri for this model, Siri running through the Narwal app rather than the Home app, and the robot carries no Matter certification that would open an Apple Home path); Roborock Saros 20 Flow — Yes.
Home Assistant (integrations): Narwal Freo X Ultra — No (The community Narwal integration, the only one that exists, lists the Freo X Ultra as not compatible: this model talks ZeroMQ on port 6789 plus the Tuya cloud instead of the WebSocket protocol the integration drives); Roborock Saros 20 Flow — Yes.
Matter (integrations): Narwal Freo X Ultra — No (A search of the CSA certified product database returns only the Narwal Flow and Flow 2, not this model); Roborock Saros 20 Flow — Yes.

Specifications to check side by side

Noise Level (features): Narwal Freo X Ultra — 58dB (Narwal rates the robot at as low as 58 dB while cleaning); Roborock Saros 20 Flow — 66.6dB.
Battery Life (power): Narwal Freo X Ultra — 210 minutes (Narwal's own comparison table rates the Freo X Ultra at 210 minutes per charge); Roborock Saros 20 Flow — 301 minutes.
Suction Power (suction performance): Narwal Freo X Ultra — 8200Pa; Roborock Saros 20 Flow — 36000Pa.

Information still to confirm

5 of 37 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · Narwal

Narwal Freo X Ultra

Last updated October 2026

View full device profile

Option 2 · Roborock

Roborock Saros 20 Flow

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

8differences with recorded values for every device

5rows with missing or unspecified information

Consider your setup

Apple Home

Narwal Freo X UltraNo
Roborock Saros 20 FlowYes

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Consider your setup

Home Assistant

Narwal Freo X UltraNo
Roborock Saros 20 FlowYes

Check the integration method, supported model and firmware. A catalog Yes does not establish local control or official support.

Inspect the specifications

Consider your setup

Matter

Narwal Freo X UltraNo
Roborock Saros 20 FlowYes

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Consider your setup

Battery Life

Narwal Freo X Ultra210 minutes
Roborock Saros 20 Flow301 minutes

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

Inspect the specifications

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 37 of 37 rows. “Not recorded” does not mean “No”.

Reading layout

Connectivity

2.4 GHz Wi-Fi

Narwal Freo X Ultra: Yes
Catalog note
IEEE 802.11b/g/n on 2412-2472 MHz, per the Narwal user manual
Roborock Saros 20 Flow: Yes

5 GHz Wi-Fi

Narwal Freo X Ultra: No
Catalog note
The manual's radio table lists only the 2.4 GHz band
Roborock Saros 20 Flow: No

Bluetooth

Narwal Freo X Ultra: Yes
Catalog note
BLE 5.0 on 2402-2480 MHz, per the Narwal user manual
Roborock Saros 20 Flow: Not recorded

Thread

Narwal Freo X Ultra: No
Roborock Saros 20 Flow: No

Z Wave

Narwal Freo X Ultra: No
Roborock Saros 20 Flow: No

Zigbee

Narwal Freo X Ultra: No
Roborock Saros 20 Flow: No

Features

Child Lock

Narwal Freo X Ultra: Yes
Catalog note
Child Lock is switched on and off from the base station touch panel, which carries its own indicator, per the Narwal user manual
Roborock Saros 20 Flow: Yes

Dock Dustbin Capacity

Narwal Freo X Ultra: Not applicable / unspecified
Roborock Saros 20 Flow: Not recorded

Noise Level

Narwal Freo X Ultra: 58dB
Catalog note
Narwal rates the robot at as low as 58 dB while cleaning
Roborock Saros 20 Flow: 66.6dB

Onboard Dustbin Capacity

Narwal Freo X Ultra: 1000ml
Catalog note
A 1 L disposable dust bag rides inside the robot, which compresses debris into it for up to 7 weeks
Roborock Saros 20 Flow: Not recorded

Real Time Tracking

Narwal Freo X Ultra: Yes
Catalog note
The Narwal Freo app follows the robot on the live map and reports the cleaning progress
Roborock Saros 20 Flow: Yes

Scheduling

Narwal Freo X Ultra: Yes
Catalog note
Cleaning schedules and per-mode parameters are set in the Narwal Freo app
Roborock Saros 20 Flow: Yes

Self Emptying

Narwal Freo X Ultra: No
Catalog note
The base station has no dust collection. Narwal contrasts the Freo X Ultra with robots that empty into their station, describing a built-in system that compresses dust into the robot's own disposable bag instead
Roborock Saros 20 Flow: Yes

Integrations

Alexa

Narwal Freo X Ultra: Yes
Catalog note
Narwal lists Amazon Alexa voice control for this model
Roborock Saros 20 Flow: Yes

Apple Home

Narwal Freo X Ultra: No
Catalog note
Narwal names only Alexa, Google and Siri for this model, Siri running through the Narwal app rather than the Home app, and the robot carries no Matter certification that would open an Apple Home path
Roborock Saros 20 Flow: Yes

Google Home

Narwal Freo X Ultra: Yes
Catalog note
Narwal lists Google voice control for this model
Roborock Saros 20 Flow: Yes

Home Assistant

Narwal Freo X Ultra: No
Catalog note
The community Narwal integration, the only one that exists, lists the Freo X Ultra as not compatible: this model talks ZeroMQ on port 6789 plus the Tuya cloud instead of the WebSocket protocol the integration drives
Roborock Saros 20 Flow: Yes

Matter

Narwal Freo X Ultra: No
Catalog note
A search of the CSA certified product database returns only the Narwal Flow and Flow 2, not this model
Roborock Saros 20 Flow: Yes

SmartThings

Narwal Freo X Ultra: No
Catalog note
The model is not Matter certified, so it gets no automatic Works with SmartThings path, and Narwal documents no SmartThings account linking
Roborock Saros 20 Flow: Yes

Mopping

Auto Detergent Dispenser

Narwal Freo X Ultra: Yes
Catalog note
The station meters detergent from its own reservoir into the mop water, and the app decides whether to add it
Roborock Saros 20 Flow: Yes

Auto Mop Drying

Narwal Freo X Ultra: Yes
Catalog note
Warm air drying at 40 C (104 F) after the last mopping run
Roborock Saros 20 Flow: Yes

Auto Mop Lifting

Narwal Freo X Ultra: Yes
Catalog note
Lifts the mop pads 12 mm when it detects carpet
Roborock Saros 20 Flow: Yes

Auto Mop Washing

Narwal Freo X Ultra: Yes
Catalog note
The station washes and rinses the mop pads, and cleans its own tray at the same time
Roborock Saros 20 Flow: Yes

Detergent Compatibility

Narwal Freo X Ultra: Yes
Catalog note
A bottle of Narwal dedicated detergent ships in the box and slots into the base station
Roborock Saros 20 Flow: Yes

Mopping

Narwal Freo X Ultra: Yes
Catalog note
Dual Reuleaux triangular mop pads press down with up to 12 N and spin at 180 RPM, with EdgeSwing swinging them out to reach the walls
Roborock Saros 20 Flow: Yes

Water Tank Capacity

Narwal Freo X Ultra: Not recorded
Roborock Saros 20 Flow: Not recorded

Navigation

Cliff Detection

Narwal Freo X Ultra: Yes
Catalog note
Five infrared ranging and anti-drop sensors on the robot's underside, per the Narwal user manual
Roborock Saros 20 Flow: Yes

Multi Room Mapping

Narwal Freo X Ultra: Yes
Catalog note
Builds 3D maps that can be edited in the app, and stores up to 4 maps for multi-level homes
Roborock Saros 20 Flow: Yes

Navigation Type

Narwal Freo X Ultra: Laser (LiDAR)
Catalog note
LiDAR SLAM 4.0 gives a 360 degree scan of the room, backed by tri-laser structured light sensors for obstacles
Roborock Saros 20 Flow: Laser (LiDAR)

No Go Zones

Narwal Freo X Ultra: Yes
Catalog note
No-go zones are drawn on the map from the Narwal Freo app
Roborock Saros 20 Flow: Yes

Obstacle Detection

Narwal Freo X Ultra: Yes
Catalog note
Structured light forward and edge sensors let it recognise objects as small as 1 cm and clean within 5 mm of them
Roborock Saros 20 Flow: Yes

Power

Auto Recharge

Narwal Freo X Ultra: Yes
Catalog note
The robot navigates itself back to the base station when the task ends and charges there, per the Narwal user manual
Roborock Saros 20 Flow: Yes

Battery Life

Narwal Freo X Ultra: 210 minutes
Catalog note
Narwal's own comparison table rates the Freo X Ultra at 210 minutes per charge
Roborock Saros 20 Flow: 301 minutes

Charging Time

Narwal Freo X Ultra: Not recorded
Roborock Saros 20 Flow: 2.5 hours

Suction Performance

Carpet Cleaning

Narwal Freo X Ultra: Yes
Catalog note
An ultrasonic carpet sensor detects pile and lifts the mop pads 12 mm so the robot switches to suction only
Roborock Saros 20 Flow: Yes

Side Brushes

Narwal Freo X Ultra: Yes
Catalog note
Two side brushes alongside the certified zero-tangling floating roller brush
Roborock Saros 20 Flow: Yes

Suction Power

Narwal Freo X Ultra

8200Pa

Roborock Saros 20 Flow

36000Pa

Manufacturer source

The advertised maximum suction pressure is 36,000 Pa.

Roborock Saros 20 Flow manufacturer product page →

Source section: Product description
Model: Roborock Saros 20 Flow
Region: US manufacturer page
Firmware: Not specified by this source
Checked: 2026-10-04

This manufacturer figure is not a comparative cleaning test.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Specifications for Narwal Freo X Ultra versus Roborock Saros 20 Flow
Specification	Narwal Freo X Ultra	Roborock Saros 20 Flow
Connectivity
2.4 GHz Wi-Fi	Yes Catalog note IEEE 802.11b/g/n on 2412-2472 MHz, per the Narwal user manual	Yes
5 GHz Wi-Fi	No Catalog note The manual's radio table lists only the 2.4 GHz band	No
Bluetooth	Yes Catalog note BLE 5.0 on 2402-2480 MHz, per the Narwal user manual	Not recorded
Thread	No	No
Z Wave	No	No
Zigbee	No	No
Features
Child Lock	Yes Catalog note Child Lock is switched on and off from the base station touch panel, which carries its own indicator, per the Narwal user manual	Yes
Dock Dustbin Capacity	Not applicable / unspecified	Not recorded
Noise Level	58dB Catalog note Narwal rates the robot at as low as 58 dB while cleaning	66.6dB
Onboard Dustbin Capacity	1000ml Catalog note A 1 L disposable dust bag rides inside the robot, which compresses debris into it for up to 7 weeks	Not recorded
Real Time Tracking	Yes Catalog note The Narwal Freo app follows the robot on the live map and reports the cleaning progress	Yes
Scheduling	Yes Catalog note Cleaning schedules and per-mode parameters are set in the Narwal Freo app	Yes
Self Emptying	No Catalog note The base station has no dust collection. Narwal contrasts the Freo X Ultra with robots that empty into their station, describing a built-in system that compresses dust into the robot's own disposable bag instead	Yes
Integrations
Alexa	Yes Catalog note Narwal lists Amazon Alexa voice control for this model	Yes
Apple Home	No Catalog note Narwal names only Alexa, Google and Siri for this model, Siri running through the Narwal app rather than the Home app, and the robot carries no Matter certification that would open an Apple Home path	Yes
Google Home	Yes Catalog note Narwal lists Google voice control for this model	Yes
Home Assistant	No Catalog note The community Narwal integration, the only one that exists, lists the Freo X Ultra as not compatible: this model talks ZeroMQ on port 6789 plus the Tuya cloud instead of the WebSocket protocol the integration drives	Yes
Matter	No Catalog note A search of the CSA certified product database returns only the Narwal Flow and Flow 2, not this model	Yes
SmartThings	No Catalog note The model is not Matter certified, so it gets no automatic Works with SmartThings path, and Narwal documents no SmartThings account linking	Yes
Mopping
Auto Detergent Dispenser	Yes Catalog note The station meters detergent from its own reservoir into the mop water, and the app decides whether to add it	Yes
Auto Mop Drying	Yes Catalog note Warm air drying at 40 C (104 F) after the last mopping run	Yes
Auto Mop Lifting	Yes Catalog note Lifts the mop pads 12 mm when it detects carpet	Yes
Auto Mop Washing	Yes Catalog note The station washes and rinses the mop pads, and cleans its own tray at the same time	Yes
Detergent Compatibility	Yes Catalog note A bottle of Narwal dedicated detergent ships in the box and slots into the base station	Yes
Mopping	Yes Catalog note Dual Reuleaux triangular mop pads press down with up to 12 N and spin at 180 RPM, with EdgeSwing swinging them out to reach the walls	Yes
Water Tank Capacity	Not recorded	Not recorded
Navigation
Cliff Detection	Yes Catalog note Five infrared ranging and anti-drop sensors on the robot's underside, per the Narwal user manual	Yes
Multi Room Mapping	Yes Catalog note Builds 3D maps that can be edited in the app, and stores up to 4 maps for multi-level homes	Yes
Navigation Type	Laser (LiDAR) Catalog note LiDAR SLAM 4.0 gives a 360 degree scan of the room, backed by tri-laser structured light sensors for obstacles	Laser (LiDAR)
No Go Zones	Yes Catalog note No-go zones are drawn on the map from the Narwal Freo app	Yes
Obstacle Detection	Yes Catalog note Structured light forward and edge sensors let it recognise objects as small as 1 cm and clean within 5 mm of them	Yes
Power
Auto Recharge	Yes Catalog note The robot navigates itself back to the base station when the task ends and charges there, per the Narwal user manual	Yes
Battery Life	210 minutes Catalog note Narwal's own comparison table rates the Freo X Ultra at 210 minutes per charge	301 minutes
Charging Time	Not recorded	2.5 hours
Suction Performance
Carpet Cleaning	Yes Catalog note An ultrasonic carpet sensor detects pile and lifts the mop pads 12 mm so the robot switches to suction only	Yes
Side Brushes	Yes Catalog note Two side brushes alongside the certified zero-tangling floating roller brush	Yes
Suction Power	8200Pa	36000Pa Manufacturer source The advertised maximum suction pressure is 36,000 Pa. Roborock Saros 20 Flow manufacturer product page → Source section Product description Model Roborock Saros 20 Flow Region US manufacturer page Firmware Not specified by this source Checked 2026-10-04 This manufacturer figure is not a comparative cleaning test. Document check only; not a hands-on test or verification of every regional or firmware variant.

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology