Roborock Saros 20 vs Roborock Saros 20 Flow
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Quick take: The Roborock Saros 20 Flow costs $100 less.
| Spec | Roborock Saros 20 | Roborock Saros 20 Flow |
|---|---|---|
| Price | ~$1,600 | ~$1,500 |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 36000 Pa | 36000 Pa |
| Battery | 200 min | — |
| Navigation | LiDAR + Camera | LiDAR + Camera |
| Filtration | — | — |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 60 dB | — |
| Dustbin | 259 ml | — |
| Water tank | 69 ml | — |
| Self-empty dock | Yes | Yes |
| Auto mop washing | Yes | Yes |
| Hot water washing | Yes | Yes |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | Yes |
| Auto mop lifting | Yes | No |
| Multi-floor mapping | Yes | No |
| App control | Yes | Yes |
| Dimensions | 13.8 x 13.9 x 3.1 in | 13.86 x 13.9 x 3.54 in |
| Weight | 11.1 lbs | 11.5 lbs |
| Warranty | 1 year | 1 year |
Pros & cons
Roborock Saros 20
- ✓AdaptiLift 3.0 chassis climbs double-layer thresholds up to 3.46 inches - unmatched for split-level homes
- ✓36,000Pa suction and a 6,400mAh battery cover large homes with up to 200 minutes of runtime
- ✓Embedded 3D ToF StarSight 2.0 LiDAR keeps the body at 3.1 inches to slide under low furniture
- ✓Dual spinning mops apply adaptive pressure up to 13N and get washed in 212°F hot water at the dock
- ✓Recognizes around 300 obstacle types with VertiBeam lateral avoidance for cables and clutter
- ✗At $1,599.99 it costs flagship money without the Sonic's vibrating deep-scrub mop
- ✗Small 69ml onboard water tank means constant dock returns on big mopping jobs
- ✗259ml dustbin is modest for a vacuum aimed at large, complex homes
- ✗Tall multifunction dock demands a lot of floor and vertical clearance
Roborock Saros 20 Flow
- ✓36,000 Pa rated suction
- ✓Roller mop rinsed with hot water under pressure while it works
- ✓Retractable LiDAR plus structured light and an RGB camera
- ✓Climbs double-layer thresholds up to 8.8 cm
- ✓Self-emptying RockDock
- ✓AdaptiLift carpet handling
- ✗$1,499.99 everyday price
- ✗Runtime, bin size, tank size and noise not published
- ✗The dock uses dust bags
- ✗1-year warranty on a $1,500 robot
- ✗Dock weighs 10.1 kg (22 lb)