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- RCV 5 vs Saros 20
Kärcher RCV 5 vs Roborock Saros 20
What RCV 5 does better (2) and where Saros 20 wins (8) — every spec side by side.
Dimensions
Size comparison
RCV 5Saros 20
| RCV 5 | Saros 20 | Difference | |
|---|---|---|---|
| Height | 97 mm | 80 mm | +17 mm |
| Width / diameter | 350 mm | 353 mm | −3 mm |
| Length | 350 mm | 353 mm | −3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is RCV 5 better than Saros 20?
- Water tank (robot)240 ml vs 65 ml3.7×
- Dustbin (robot)330 ml vs 259 ml+27%
Why is Saros 20 better than RCV 5?
- Suction power5,000 Pa vs 36,000 Pa7.2×
- Mop typeMop pad vs Rotating mop pads
- Threshold climbing20 mm vs 88 mm4.4×
- Runtime120 min vs 200 min+67%
- Base stationCharging dock vs All-in-one dock (empty + wash)
- Battery capacity5,200 mAh vs 6,400 mAh+23%
- Height97 mm vs 80 mm+21%
- Charging time230 min vs 150 min+53%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 5,000 Pa | 36,000 Pa |
| Dustbin (robot) | 330 ml | 259 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Extending side brush | — | Yes |
| Carpet detection | Yes | Yes |
| Noise level | 66 dB | 65 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | 20 mm | 88 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Rotating mop pads |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 35 mm |
| Automatic mop removal | — | Yes |
| Extending mop (edges) | — | Yes |
| Water tank (robot) | 240 ml | 65 ml |
| Base station | ||
| Base station | Charging dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | — | Yes |
| Dust bag (dock) | — | 2.5 l |
| Mop washing in the dock | — | Yes |
| Hot-water mop washing | — | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | — | Yes |
| Clean water tank (dock) | — | 4 l |
| Dirty water tank (dock) | — | 3.5 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 6,400 mAh |
| Runtime | 120 min | 200 min |
| Charging time | 230 min | 150 min |
| Cleaning area per charge | 85 m² | — |
| Size & weight | ||
| Width / diameter | 350 mm | 353 mm |
| Length | 350 mm | 353 mm |
| Height | 97 mm | 80 mm |
| Weight | 3.9 kg | — |
| Shape | Round | Round |
| Colours | White, Yellow | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | — | Yes |
| Live camera view / video call | — | Yes |
