Updated September 2026
Data from Amazon and official Roborock and Shark sites.
2026 verdict
Across the 2026 comparison, Shark PowerDetect ThermaCharged RV2920XE earns the nod over Roborock Saros 20 Flow on the strength of price, rating, and warranty.
It builds its lead on price, rating, and warranty, then backs it up with a stronger showing on its broader overall balance. Roborock Saros 20 Flow remains a niche alternative if integrations matter more than the rest of the comparison. For most setups, Shark PowerDetect ThermaCharged RV2920XE is the smarter buy.
vs
Winner
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| Feature | Roborock Saros 20 Flow | Shark PowerDetect ThermaCharged RV2920XE | Winner |
|---|---|---|---|
| Price | $1699.99 | $749.99 | Shark PowerDetect ThermaCharged RV2920XE |
| Rating | 4.2 | 4.3 | Shark PowerDetect ThermaCharged RV2920XE |
| Warranty | 1 year | 2 years | Shark PowerDetect ThermaCharged RV2920XE |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Home Assistant | Roborock Saros 20 Flow |
| Auto Recharge | YES | YES | Tie |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
| Obstacle Detection | YES | YES | Tie |
| Cliff Detection | YES | YES | Tie |
| Multi-Room Mapping | YES | YES | Tie |
| No-Go Zones | YES | YES | Tie |
| Carpet Cleaning | YES | YES | Tie |
$1699.99
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $1699.99 vs $749.99
- - Rating: 4.2 vs 4.3
Winner
38% OFF
$749.99
$1199.99
- + Price: $749.99
- + Rating: 4.3
- + Warranty: 2 years
- - Integrations: Google Home, Alexa, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: Roborock Saros 20 Flow or Shark PowerDetect ThermaCharged RV2920XE?
Shark PowerDetect ThermaCharged RV2920XE has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Roborock Saros 20 Flow and Shark PowerDetect ThermaCharged RV2920XE?
Price is one of the clearest differences: Roborock Saros 20 Flow lists $1699.99, while Shark PowerDetect ThermaCharged RV2920XE lists $749.99.
Which one looks better on price?
Roborock Saros 20 Flow is listed at $1699.99, while Shark PowerDetect ThermaCharged RV2920XE is listed at $749.99. Shark PowerDetect ThermaCharged RV2920XE (better spec).
Who should buy Roborock Saros 20 Flow?
Choose Roborock Saros 20 Flow if your priority is integrations and that matters more than price.
Who should buy Shark PowerDetect ThermaCharged RV2920XE?
Choose Shark PowerDetect ThermaCharged RV2920XE if your priority is price and rating and that matters more than integrations.
Full comparison table
Compare all 151 Robot Vacuums side by side
You are looking at two of them. The full table lines up all Robot Vacuums in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 151 Robot Vacuums
- 46 specs compared
- 41 filters
NarwalFreo 20 Edge
$799.00
DreameX60 Pro Ultra Complete
NarwalFreo X Ultra
$1289.98
EcovacsDEEBOT X2 COMBO
$1371.66
MOVAV70 Ultra Complete
$1299.00
EcovacsDEEBOT X11S OmniCyclone
27% OFF$1099.99$798.98
DreameL60 Ultra
$1299.99
RoborockQrevo Edge 3 Pro
$1499.99
EcovacsDEEBOT X12S OmniCyclone
$1299.99
EcovacsDEEBOT X11S PRO Omni
$999.99
NarwalFreo 20
$1099.99
NarwalFlow
$999.99
EufyE25
$999.99
EufyE28
$999.99
EufyOmni S2
$1599.99
NarwalFreo Z10 Ultra
iRobotRoomba Plus 575 Combo Robot + AutoWash Dock
13% OFF$799.99$699.33
Eufy11S MAX
39% OFF$279.99$169.99
EufyOmni C28
34% OFF$799.99$529.99
EufyX10 Pro Omni
$699.99
Robot Lawn MowersRoborockRockMow X120H
4.5(15)$3199.00
Robot Lawn MowersRoborockRockMow X130H
$2907.60
Robot VacuumsRoborockQ10 S5+
4.0(20,401)49% OFF$549.99$279.99
Robot VacuumsRoborockQ10 X5+
3.7(166)$499.99
Robot VacuumsRoborockQ5 Max+
4.0(692)$499.99
Robot VacuumsRoborockQ7 L5
4.0(16,279)20% OFF$249.99$199.99
Robot VacuumsRoborockQ7 M5+
4.0(16,279)$359.99
Robot VacuumsRoborockQ7 M5
3.6(579)$229.99
Robot VacuumsRoborockQ8 Max+
4.0(469)$659.99
Robot VacuumsRoborockQrevo 2 Pro
4.2(935)31% OFF$799.99$549.98
Robot VacuumsRoborockQrevo Curv 2 Flow
4.3(1,359)$999.99
Robot VacuumsRoborockQrevo Curv 2 Pro
4.3(439)
Robot VacuumsRoborockQrevo Curv S5X
3.9(377)43% OFF$1149.99$649.99
Robot VacuumsRoborockQrevo CurvX
4.0(1,704)47% OFF$1499.99$799.99
Robot VacuumsRoborockQrevo Edge 2
4.2(572)15% OFF$1299.99$1099.99- Robot VacuumsRoborock
Qrevo Edge 3 Pro
4.8(21)$1499.99 
Robot VacuumsRoborockQrevo Edge S5A
4.2(573)$999.99
Robot VacuumsRoborockQrevo Plus
4.0(1,704)$389.99
Robot VacuumsRoborockQrevo Pro
4.2(964)$329.99
Robot VacuumsRoborockQrevo QV 35A
4.1(5,949)26% OFF$649.99$479.99
Air PurifiersSharkBreatheClear Max HP362
4.5(124)18% OFF$449.99$369.89
Robot VacuumsSharkAI Ultra AV2501AE
4.0(17,948)$445.00
Robot VacuumsSharkAI Ultra AV2511AE
4.0(23,667)15% OFF$599.00$511.97
Robot VacuumsSharkMatrix Plus 2-in-1
4.0(35,970)$469.90
Robot VacuumsSharkMatrix Plus UR2650WS
4.0(35,975)$267.95
Robot VacuumsSharkNavigator AV2110S
4.0(7,637)$378.60
Robot VacuumsSharkNavigator RV2120AE
4.0(7,618)$447.16
Robot VacuumsSharkPowerDetect 2-in-1
4.0(17,920)$1149.98
Robot VacuumsSharkPowerDetect NeverTouch Pro RV2820ZE
4.0(2,216)$999.95
Robot VacuumsSharkPowerDetect Self-Empty
4.2(3,655)$549.99- Robot VacuumsShark
PowerDetect ThermaCharged RV2920XE
4.3(288)38% OFF$1199.99$749.99 
Robot VacuumsSharkPowerDetect UV Reveal
4.0(134)35% OFF$1299.99$849.99
Robot VacuumsSharkStratos NeverTouch RV2720ZE
4.1(3,656)31% OFF$799.99$549.99