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Robot Vacuums · Head to head

Roborock Saros 20 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
Overnight quiet runs under a low sofa are where the Roborock Saros 20 is the robot vacuum to keep.
Roborock Saros 20
Winner
Roborock Saros 20
$1179.99$1599.9926% OFFPrime exclusive deal

Last recorded price

Buy on Amazon USA
It adds mopping, 36,000 Pa, 200 minutes, 5 GHz Wi-Fi and a 79.8 mm body. The Shark PowerDetect Self-Empty is a bagless vacuum you do not mop with, at the lower price, with Home Assistant and no child lock. Keep the Roborock Saros 20 when the floor should be washed. Keep the Shark PowerDetect Self-Empty when hair only needs a base and a mop would be wasted.
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FeatureRoborock Saros 20Shark PowerDetect Self-EmptyWinner
Price$1179.99$399.99Shark PowerDetect Self-Empty
Battery Life200 minutes110 minutesRoborock Saros 20
Connectivity2.4 GHz WiFi, 5 GHz WiFi2.4 GHz WiFiRoborock Saros 20
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Home AssistantRoborock Saros 20
Mopping FunctionalityYESNORoborock Saros 20
Auto Mop WashingYESNORoborock Saros 20
Auto Mop DryingYESNORoborock Saros 20
Onboard Dustbin Capacity259ml189mlRoborock Saros 20
Rating4.24.2Tie
Warranty1 year1 yearTie
Auto RechargeYESYESTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie

What the differences mean

Mop or vacuum only

The Roborock Saros 20 mops, lifts the pads, and the dock washes and dries them with owner-reported 212 F water, plus automatic detergent. The Shark PowerDetect Self-Empty does not mop at all. Hard floors on the Shark stay a manual job. If you already know you will never use a mop, that missing pad is simpler. If you wanted one robot for both, it is the whole decision.

Runtime and height

The Roborock Saros 20 is rated for 200 minutes, stands 79.8 mm tall, and charges in about 2.5 hours. The Shark PowerDetect Self-Empty is rated for 110 minutes and charges in about 6 hours. Low sofas are in reach for the Roborock. A second clean the same evening is also more realistic, because the Shark spends longer on the charger after a shorter run.

Apps

The Roborock Saros 20 supports 5 GHz Wi-Fi, Apple Home, SmartThings and Matter, plus Alexa, Google Home and Home Assistant. The Shark PowerDetect Self-Empty supports Alexa, Google Home and Home Assistant on 2.4 GHz, and does not support Apple Home, SmartThings or Matter. Shark owners already call the app basic. The protocol list explains part of that feeling.

What the Shark still saves

The Shark PowerDetect Self-Empty is the more affordable robot, and it is vacuum only, so there is no water tank and no mop to dry. It self-empties into a bagless base, which owners describe as holding on the order of 30 days. The Roborock Saros 20 also self-empties, into a 2.5 L dock, and then asks you to deal with clean and dirty water. Less robot can mean less upkeep.

Which one to buy if

Winner
Roborock

Roborock Saros 20

26% OFF
Prime exclusive deal
$1179.99
$1599.99

Last recorded price

Buy on Amazon USA
  • + Battery Life: 200 minutes
  • + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Price: $1179.99 vs $399.99

What owners say

Owners are shopping different chores, and they say so. Roborock Saros 20 owners praise very high suction, a slim body under sofas, quiet overnight runs, and hot-water spinning mops, while they complain that detergent costs extra, threshold climbing is inconsistent, deep cleans drain the battery faster, and the mop will not automatically re-scrub a dirty patch. Shark PowerDetect Self-Empty owners single out pet-hair pickup, a lift over thresholds, and a bagless base they leave for weeks, and they complain that the app feels basic, Wi-Fi pairing is frustrating, and some runs miss spots or bump objects. One group is describing a station. The other is describing a vacuum.

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
  • Shark PowerDetect Self-Empty

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Frequently Asked Questions

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

The Roborock Saros 20, unless you refuse a mop. It has 36,000 Pa, 200 minutes against 110, a 79.8 mm body, mop washing and Matter. The Shark PowerDetect Self-Empty is the more affordable bagless vacuum with no mop and no Apple Home.

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

The mop. The Roborock Saros 20 vacuums and mops, and the dock washes and dries the pads. The Shark PowerDetect Self-Empty is vacuum only. Runtime and apps follow: 200 minutes, 5 GHz and Matter on the Roborock, against 110 minutes and Alexa, Google Home and Home Assistant on the Shark.

Does the Shark PowerDetect Self-Empty mop?

No. The Shark PowerDetect Self-Empty is vacuum only, with a bagless self-empty base. The Roborock Saros 20 mops, lifts the pads on carpet, and the dock washes, dries and dispenses detergent. Both self-empty. Only one washes a floor.

Which works with Apple Home or Matter?

The Roborock Saros 20. It supports Apple Home, SmartThings, Matter and 5 GHz Wi-Fi, plus Alexa, Google Home and Home Assistant. The Shark PowerDetect Self-Empty supports Alexa, Google Home and Home Assistant only.

Who should buy the Roborock Saros 20?

Homes that want vacuuming and hot-water mopping, low-furniture reach, 36,000 Pa and Matter, and that can accept the pricier robot and its water tanks.

Who should buy the Shark PowerDetect Self-Empty?

Pet owners who only vacuum, want hair in a bagless base, and prefer the lower price without a mop, Apple Home or a child lock.

Full comparison table

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