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Robot Vacuums · Head to head

Roborock Saros 20 Sonic vs Shark PowerDetect Self-Empty

Full Robot Vacuums comparison in 2026

Updated October 2026
Data from Amazon and official Roborock and Shark sites.
2026 verdict
One of these robot vacuums washes the floor and the other only sweeps it, and the Roborock Saros 20 Sonic is the one that mops.
Roborock Saros 20 Sonic
Winner
Roborock Saros 20 Sonic

Last recorded priceOct 1, 2026$1499.99

Currently unavailable on Amazon USA
See on Amazon USA
Its dock empties, washes and dries the mop and doses detergent automatically, and it is rated at 36,000 Pa and 190 minutes, against 110 minutes on the Shark PowerDetect Self-Empty, whose suction figure is not published. It also joins 5 GHz Wi-Fi and Bluetooth and adds Apple Home, SmartThings, Home Assistant and Matter, where the Shark PowerDetect Self-Empty offers Alexa, Google Home and Home Assistant on 2.4 GHz. The Shark PowerDetect Self-Empty is the more affordable option and carries a bagless HEPA base. Pick the Roborock Saros 20 Sonic to vacuum and mop in one, and the Shark PowerDetect Self-Empty for hair and dust without any water system.
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FeatureRoborock Saros 20 SonicShark PowerDetect Self-EmptyWinner
Battery Life190 minutes110 minutesRoborock Saros 20 Sonic
Connectivity2.4 GHz WiFi, 5 GHz WiFi, Bluetooth2.4 GHz WiFiRoborock Saros 20 Sonic
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Home AssistantRoborock Saros 20 Sonic
Mopping FunctionalityYESNORoborock Saros 20 Sonic
Auto Mop WashingYESNORoborock Saros 20 Sonic
Auto Mop DryingYESNORoborock Saros 20 Sonic
Onboard Dustbin Capacity228ml189mlRoborock Saros 20 Sonic
Rating4.24.2Tie
Warranty1 year1 yearTie
Auto RechargeYESYESTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie

What the differences mean

Mopping

The Roborock Saros 20 Sonic mops, lifts the mop on carpet, washes and dries it and doses detergent from a 4 L tank. The Shark PowerDetect Self-Empty does not mop. If a damp floor pass is part of the routine, only the Roborock can do it; the Shark stays a vacuum.

Runtime and charging

The Roborock Saros 20 Sonic is rated at 190 minutes and recharges in about 2.5 hours. The Shark PowerDetect Self-Empty is rated at 110 minutes and takes about 6 hours. Both return to the dock on their own, and a large floor plan shows the runtime gap first.

Connectivity

The Roborock Saros 20 Sonic joins 2.4 GHz and 5 GHz Wi-Fi and has Bluetooth. The Shark PowerDetect Self-Empty is 2.4 GHz only, with no 5 GHz and no Bluetooth. On a modern dual-band router that difference shows up during setup.

Smart home platforms

The Roborock Saros 20 Sonic lists Alexa, Google Home, Apple Home, SmartThings, Home Assistant and Matter. The Shark PowerDetect Self-Empty lists Alexa, Google Home and Home Assistant, and not Apple Home, SmartThings or Matter. Both can be scheduled.

Dust handling

The Roborock Saros 20 Sonic carries a 228 ml onboard bin and self-empties into a 2.7 L dock bin. The Shark PowerDetect Self-Empty carries 189 ml onboard and self-empties into a bagless HEPA base rated for about 30 days. Its dock capacity is not documented.

Suction

The Roborock Saros 20 Sonic is rated at 36,000 Pa. Shark does not publish a suction figure for the Shark PowerDetect Self-Empty, so the two cannot be measured against each other and the figure is not a proven gap.

Which one to buy if

Winner
Roborock

Roborock Saros 20 Sonic

Prime exclusive deal

Last recorded priceOct 1, 2026$1499.99

Currently unavailable on Amazon USA
See on Amazon USA
  • + Battery Life: 190 minutes
  • + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter

What owners say

Owner reviews in this pair belong to the Shark PowerDetect Self-Empty, and pet households are its core. Owners with several dogs and cats describe it keeping ahead of constant shedding and not getting lost or confused the way their previous robot did. They like that the taller body stops it wedging under furniture, and that the bagless HEPA base holds about a month of debris without bags to buy. On hard floors, daily runs are said to cut manual mopping to a rarity. The complaints sit in the app and coverage: a plain SharkClean app, registration and Wi-Fi pairing trouble on a 2.4 GHz network, some missed patches, and occasional bumping into walls or objects rather than steering around them.

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Roborock Saros 20 Sonic
  • Shark PowerDetect Self-Empty

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Frequently Asked Questions

Which is better overall: Roborock Saros 20 Sonic or Shark PowerDetect Self-Empty?

The Roborock Saros 20 Sonic, if the home wants a robot vacuum that also mops. It is rated at 36,000 Pa and 190 minutes, with a dock that empties, washes and dries, plus Apple Home and Matter. The Shark PowerDetect Self-Empty is the more affordable vacuum-only choice.

Does the Shark PowerDetect Self-Empty mop like the Roborock Saros 20 Sonic?

No. Mopping is listed on the Roborock Saros 20 Sonic, including mop lifting, washing, drying and an automatic detergent dispenser. The Shark PowerDetect Self-Empty is vacuum only. Both self-empty and both navigate with LiDAR.

What is the biggest difference between the Roborock Saros 20 Sonic and the Shark PowerDetect Self-Empty?

One is a vacuum and mop with a full station, the other is a vacuum that empties itself. The Roborock Saros 20 Sonic adds 190 minutes of runtime, 5 GHz Wi-Fi, Bluetooth and a wider smart-home list. The Shark is the simpler, lower priced robot for hair and dust.

Which robot vacuum runs longer, the Roborock Saros 20 Sonic or the Shark PowerDetect Self-Empty?

The Roborock Saros 20 Sonic, rated at 190 minutes against 110 minutes for the Shark PowerDetect Self-Empty. It also recharges in about 2.5 hours rather than about 6. Both support auto recharge.

Who should buy the Roborock Saros 20 Sonic?

Homes that want vacuuming and mopping in one robot vacuum, with the dock handling emptying, washing, drying and detergent, and with Apple Home or Matter on the network.

Who should buy the Shark PowerDetect Self-Empty?

Pet homes that need hair and dust picked up on a schedule, without a mop, and that want a self-emptying base rather than a washing station. Owners describe it as hard to strand on thresholds.

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