Xiaomi 2nd Gen Roborock vs. Xiaomi Xiaowa Path Planning Edition

Xiaomi Roborock S50 (2nd Generation)
Xiaomi Xiaowa E20 (E202)
Model Xiaomi Roborock S50 (2nd Generation)Xiaomi Xiaowa E20 (E202)
Run time 150 min120 min
Suction Power 2000 Pa1800 Pa
Сleaning Area 250 m2 / 2691 ft2200 m2 / 2153 ft2
Home Size medium, bigsmall, medium
Dustbin Capacity 500 ml640 ml
Noise Level 60 db70 db
IR Remote Control
Mapping / Path planning
Mapping Sensor Type lasergyroscope
Automatically Docks and Recharges
Recharge and Continue
Cleaning Modes quiet, balanced, turbo, max, zoned cleanup, carpet boostsilent, standard, strong, max
Wet mopping
Сarpet Floor Types low-pile, medium-pilelow-pile, medium-pile
Bare Floor Types hardwood, laminate, vynil, marble tile, ceramic tile linoleumceramic tile, marble tile, vynil, laminate, linoleum, wood
HEPA filter
Wi-Fi / Smartphone App
Virtual Wall
LCD display
Amazon Alexa Support
Google Home Support
Voice Prompts
Water Tank Capacity 140 mlN/A
Battery Capacity 5200 mAh2600 mAh
Charging time 240 min240 min
Barrier-cross height 20 mm / 0.79 in20 mm / 0.79 in
Robot Weight 3.5 kg / 7.72 lbs3 kg / 6.61 lbs
Robot Width 35 cm / 13.78 in35 cm / 13.78 in
Robot Height 9.6 cm / 3.78 in9 cm / 3.54 in
Warranty 12 months12 months
Side Brushes 11
Where to buy GearBest $379.99
Amazon $546.99
GearBest $249.99
Amazon $275.99

Xiaomi Roborock S50 (2nd Generation)

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Xiaomi Xiaowa E20 (E202)

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Mapping technology

Xiaomi Roborock: it uses LIDAR with a laser located inside its tower. It scans the room creating a map and three processors inside help the robot to create the most efficient way of cleaning. The map can be seen on the app. The robot rebuilds the map each time it gets to clean.

Xiaowa E20: it is equipped with a double gyroscope inertial navigation system, combined with dual optical motion tracking. The robot recognizes walls and corners and creates a map. The map shows the obstacles and walls that were recognized by sensors. It is not as detailed as the one created by the laser nevertheless is accurate. You can see the map on the app. Unfortunately, you can't do anything with the map. Every time the robot cleans the map gets regenerated.

Additional features

Xiaomi Roborock: the app allows to create virtual walls as many as you'd like to. You can tap on the map to send the device to a specific point.


Xiaomi Roborock: the water tank can be inserted by sliding it underneath. It holds about 150 ml of water and can work in this mode for about 60 minutes.

Xiowa E20: you can insert the water container by clicking it on the bottom of the robovac. Unfortunately, the manufacturer didn't mention how much of the liquid it holds.

The difference between the Xiaomi Roborock and Xiaomi Xiowa E20 Path Planning

  • Xiaomi Roborock comes with a stronger suction power (2,000 Pa vs. 1,800 Pa)
  • Xiaomi Roborock works 150 minutes when the Xiaomi Xiaowa lasts about 120 minutes in a raw
  • Different mapping technologies
  • The Roborock comes in white, black and rose-gold colors. The Xiaomi Xiaowa is available in a white color, however, its upgraded version the Xiaowa E352 comes in a grey color
  • Roborock has the recharge&resume feature. It means the robot docks itself once its battery runs lower than 20%, recharges and continue the job from the place it left off.
  • Xiaomi Xioawa is a bit louder than the Xiaomi Roborock
  • Virtual walls can be set only in the Xiaomi Roborock
  • The Roborock is taller because of its tower. It means the robot cannot go under some places
  • The Xioawa has a bigger 640 ml dust box that holds more dust and dirt
  • Xiaomi Xiaowa is cheaper than the Xiaomi Roborock.

Xiaomi Roborock S50 (2nd Generation) Video Review

Xiaomi Xiaowa E20 (E202) Video Review

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