Updated September 2026
Data from Amazon and official Roborock and Shark sites.
2026 verdict
Heated mop washing helps the Shark PowerDetect ThermaCharged RV2920XE outpoint the Roborock Saros 20 Sonic on warranty and onboard dustbin capacity in this robot vacuum comparison.
The ThermaCharged carries a longer warranty and holds more debris onboard, and its NeverTouch Pro base washes its mop pad with hot water, while the Roborock Saros 20 Sonic answers with a longer battery life and broader smart-home integrations, including Apple Home and Matter. Buyers who want a longer warranty and heated mop washing should choose the Shark PowerDetect ThermaCharged RV2920XE; anyone who wants a longer runtime and the widest smart-home compatibility should pick the Roborock Saros 20 Sonic.
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Winner
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| Feature | Roborock Saros 20 Sonic | Shark PowerDetect ThermaCharged RV2920XE | Winner |
|---|---|---|---|
| Price | $1499.99 | $1099.95 | Shark PowerDetect ThermaCharged RV2920XE |
| Rating | 4.2 | 4.3 | Shark PowerDetect ThermaCharged RV2920XE |
| Warranty | 1 year | 2 years | Shark PowerDetect ThermaCharged RV2920XE |
| Battery Life | 190 minutes | 180 minutes | Roborock Saros 20 Sonic |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | 2.4 GHz WiFi | Roborock Saros 20 Sonic |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Home Assistant | Roborock Saros 20 Sonic |
| Onboard Dustbin Capacity | 228ml | 379ml | Shark PowerDetect ThermaCharged RV2920XE |
| Auto Recharge | YES | YES | Tie |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
| Obstacle Detection | YES | YES | Tie |
| Cliff Detection | YES | YES | Tie |
| Multi-Room Mapping | YES | YES | Tie |
12% OFF
$1499.99
$1699.99
- + Battery Life: 190 minutes
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $1499.99 vs $1099.95
- - Rating: 4.2 vs 4.3
Winner
8% OFF
$1099.95
$1199.99
- + Price: $1099.95
- + Rating: 4.3
- + Warranty: 2 years
- - Battery Life: 180 minutes vs 190 minutes
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
Frequently Asked Questions
Which is better overall: Roborock Saros 20 Sonic or Shark PowerDetect ThermaCharged RV2920XE?
The Shark PowerDetect ThermaCharged RV2920XE wins overall with a longer warranty and a larger onboard dustbin. The Roborock Saros 20 Sonic counters with a longer battery life and broader smart-home integrations.
What is the biggest difference between the Roborock Saros 20 Sonic and the Shark PowerDetect ThermaCharged RV2920XE?
Mop washing temperature and smart-home reach. The Shark's NeverTouch Pro base washes the mop pad with hot water and dries it, while the Roborock Saros 20 Sonic connects to more smart-home platforms and runs longer per charge.
Does the Shark PowerDetect ThermaCharged wash its mop pad with hot water?
Yes, its NeverTouch Pro base washes the mop pad with hot water and dries it, which owners say cleans more effectively than a plain water rinse.
Which one works with Apple Home?
The Roborock Saros 20 Sonic supports Apple Home through Matter, while the Shark PowerDetect ThermaCharged RV2920XE does not support Apple HomeKit.
Who should buy the Shark PowerDetect ThermaCharged RV2920XE?
Buyers who want a longer warranty and heated mop pad washing should choose the Shark PowerDetect ThermaCharged RV2920XE.
Who should buy the Roborock Saros 20 Sonic?
Choose the Roborock Saros 20 Sonic if you want a longer battery life and the widest smart-home compatibility.
Full comparison table
Compare all 148 Robot Vacuums side by side
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