Kärcher RCW 2 or Dreame C1 Station S Kit: which should you choose?
Comparison of the two window-cleaning robots using our catalogue's scoring criteria, value by value. Scores are relative to all the models we have analysed.
Kärcher RCW 2
Main drawbackSuction pressure sits among the category's lowest advertised levels
Read the full analysis →
Dreame C1 Station S Kit
Main drawbackCleaning is restricted to indoor surfaces
Read the full analysis →Our verdict based on your priority
- Priority: “Suction pressure”Dreame C1 Station S Kit 9.3 / 10 vs 8.2
- Priority: “Equipment”Dreame C1 Station S Kit 9.5 / 10 vs 8.1
By criterion
| Criterion | Kärcher RCW 2 | Dreame C1 Station S Kit |
|---|---|---|
| Suction pressure | 8.2 | 9.3 advantage |
| Water tank capacity | 8.7 | 9.1 |
| Equipment | 8.1 | 9.5 advantage |
A gap of less than half a point does not count as an advantage: our scores are relative to the catalogue, and using them to pick a winner would imply a level of precision we cannot offer.
Side-by-side specs
| Specification | Kärcher RCW 2 | Dreame C1 Station S Kit |
|---|---|---|
| Suction pressure | 3300 Pa | 8000 Pa |
| Water tank capacity | 70 ml | 80 ml |
| Battery-powered cleaning runtime | Not provided | 60 min |
| Robot height | 7,1 cm | Not provided |
| Robot weight | 1,1 kg | Not provided |
| Noise level | 62 dB | 63 dB |
| Power supply during cleaning | Mains-powered | Powered by the station's battery via a cable |
| Manufacturer's intended use | Household | Household |
| Indoor / outdoor cleaning | Outdoor | Indoor |
| Window compatibility | Framed | Framed |
| Spraying | Automatic | Automatic |
| Control | Remote control | App |
| Safety features | UPS backup battery | Safety rope |
| Cleaning modes | Quick | Deep cleaning, Quick, Edges |
Figures published by manufacturers and retailers, compiled in our reviews. “Not provided” means the figure could not be verified.
Which is right for you?
Kärcher RCW 2
Leads on 0 criterion of 3 compared
- Power supply during cleaning: Mains-powered
Dreame C1 Station S Kit
Leads on 2 criteria of 3 compared
- Equipment: 9.5/10 vs 8.1/10
- Suction pressure: 9.3/10 vs 8.2/10 (8000 Pa vs 3300 Pa)
- Power supply during cleaning: Powered by the station's battery via a cable
Comparison based on published specifications and our scores, calculated using the same criteria for every model. Our methodology →
Frequently asked questions
Which is rated higher, Kärcher RCW 2 or Dreame C1 Station S Kit?
Dreame C1 Station S Kit scores 9.3/10, compared with 8.3/10 for Kärcher RCW 2, using the same scoring criteria.
Which wins on “Equipment”?
Dreame C1 Station S Kit wins on “Equipment”: 9.5/10 compared with 8.1/10 for Kärcher RCW 2.
Which wins on “Suction pressure”?
Dreame C1 Station S Kit wins on “Suction pressure”: 9.3/10 compared with 8.2/10 for Kärcher RCW 2. Recorded values: 8000 Pa versus 3300 Pa.
What's the difference in power supply during cleaning between the two?
Kärcher RCW 2: Mains-powered. Dreame C1 Station S Kit: Powered by the station's battery via a cable.