Narwal Flow 2 vs Roborock Saros 20
Narwal Flow 2
The short answer
Narwal Flow 2 and Roborock Saros 20 finish almost level in our scoring (8.1 vs 8.0 out of 10), so the right pick depends on what you value most. Narwal Flow 2 is stronger on navigation, obstacle avoidance, mopping, noise and value. Roborock Saros 20 is stronger on cleaning performance, dock / automation and maintenance. At current verified prices, the Narwal Flow 2 costs about $300.00 less.
- Choose the Narwal Flow 2 if: Mostly hard-floor homes where paw prints and mopping matter more than deep carpet hair pickup.
- Choose the Roborock Saros 20 if: Pet owners with mixed carpet and hard floors, tall thresholds or low furniture, who want the best all-round, most automated combo and can pay flagship money.
Scores by criterion
| Criterion | Narwal Flow 2 | Roborock Saros 20 |
|---|---|---|
| Cleaning Performance | 7.8Tom's Guide: 100 on hardwood, 80 on carpet | 8.589% sand, 88% pet hair (Vacuum Wars). |
| Navigation | 8.3LiDAR plus cameras; 3.74-inch body | 7.50.67 m²/min against a 0.70 average, and 1,038 sq ft against 1,170; climbed a 57 mm threshold. |
| Obstacle Avoidance | 8.5Dual 1080p RGB cameras | 7.3Avoided 17 of 24 objects (Vacuum Wars). |
| Mopping | 9.0Continuously rinsed heated track mop | 8.3Combined score 25.2 against a 20.3 average. |
| Dock / Automation | 8.52.5 L bag, hot wash, warm dry; auto refill/drain is a separate configuration | 8.8Full dock with 212°F washing and drying. |
| Maintenance | 7.3Proprietary detergent | 8.20% hair wrap, but the 260 mL bin is small. |
| Features / App | 8.3Pet Care Mode 2.0 | 8.5Roborock app. |
| Noise | 7.5No standout noise data | 6.5Not measured; flat 6.5. |
| Value | 6.0$1,299.99 live; Tom's Guide calls it overpriced | 5.5$1,599.99 from a third-party seller. |
Specifications
| Spec | Narwal Flow 2 | Roborock Saros 20 |
|---|---|---|
| Suction | 31,000 Pa | 36,000 Pa |
| Workflow type | Self-emptying (2.5 L bag) + hot-water mop wash / warm-air dry; auto refill/drain optional | Vacuum + mop, all-in-one dock |
| Robot Height | 3.74 in | 3.14 in |
| Auto Empty | Yes | Yes |
| Mop Washing | Yes | Yes |
| Mop Drying | Yes | Yes |
| Navigation Type | LiDAR + dual 1080p RGB cameras (TwinAI Dodge) | Vision-based navigation + Reactive AI obstacle avoidance |
| Mop Type | FlowWash rolling track mop (heated) | Dual rotating pads, liftable |
| Battery Capacity | 7,000 mAh | 6,400 mAh |
| Anti-Tangle Brush | — | Yes |
| Hot-Water Mop Wash | Yes | Yes |
| Camera Obstacle Avoidance | Yes | — |
Narwal Flow 2
Pros
- Heated, continuously rinsed track mop
- Perfect 100 hardwood pet-hair score at Tom's Guide
- Dual 1080p cameras and Pet Care Mode
- Reviewed's pick for pet owners
Cons
- Weaker on carpet
- Expensive for its performance
- Needs Narwal's own cleaning solution, an ongoing cost
- Automatic water refill and drain is a separate configuration
The Flow 2 is for mostly hard-floor pet homes where mopping matters more than carpet pickup. Anyone with carpet and shedding pets should look at the other four.
Full Narwal Flow 2 review →Roborock Saros 20
Pros
- Record 57 mm threshold climb in lab testing
- 89% embedded-sand pickup on carpet
- 0% hair wrap
- Above-average mopping score
- Self-emptying, mop-washing and drying dock
Cons
- Avoided 17 of 24 obstacles
- Below-average coverage per charge
- Small 260 mL bin
- Tom's Guide reported leftover litter; premium price from a third-party seller
A specialist. If thick rugs and raised thresholds are your problem, it solves them better than anything else here. For general use, the Dreame or CurvX is the better buy.
Full Roborock Saros 20 review →Both products are part of our guide The Best Robot Vacuum & Mop Combos for Pet Hair of 2026, where you can see every pick, how we score and current prices from each retailer.