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- Aqua20 Pro Ultra Roller X vs RVF 7 Comfort
Dreame Aqua20 Pro Ultra Roller X vs Kärcher RVF 7 Comfort
What Aqua20 Pro Ultra Roller X does better (7) and where RVF 7 Comfort wins (4) — every spec side by side.
vs
7.7Cleaning power6.1
9.4Navigation7.3
9.5Mopping9.7
6.5Base station6.4
7.9Battery6.1
Dimensions
Size comparison
Aqua20 Pro Ultra Roller XRVF 7 Comfort
| Aqua20 Pro Ultra Roller X | RVF 7 Comfort | Difference | |
|---|---|---|---|
| Height | 98 mm | 105 mm | −7 mm |
| Width / diameter | 350 mm | 360 mm | −10 mm |
| Length | 350 mm | 360 mm | −10 mm |
| Weight | 6.1 kg | 5.6 kg | +0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Aqua20 Pro Ultra Roller X better than RVF 7 Comfort?
- Suction power40,000 Pa vs 13,000 Pa3.1×
- Threshold climbing100 mm vs 18 mm5.6×
- Runtime170 min vs 150 min+13%
- Battery capacity5,800 mAh vs 5,200 mAh+12%
- Height98 mm vs 105 mm+7%
- Clean water tank (dock)4 l vs 3 l+33%
- Charging time180 min vs 230 min+28%
Why is RVF 7 Comfort better than Aqua20 Pro Ultra Roller X?
- Dustbin (robot)180 ml vs 250 ml+39%
- Dust bag (dock)3.2 l vs 4 l+25%
- Water tank (robot)115 ml vs 130 ml+13%
- Noise level74 dB vs 67 dB+10%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 40,000 Pa | 13,000 Pa |
| Dustbin (robot) | 180 ml | 250 ml |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 2 |
| Extending side brush | Yes | — |
| Carpet detection | Yes | Yes |
| Dirt detection | — | Yes |
| HEPA filter | Yes | — |
| Noise level | 74 dB | 67 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Retractable LiDAR, Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Retractable LiDAR | Yes | — |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | 100 mm | 18 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Roller mop | Roller mop |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 15 mm | — |
| Extending mop (edges) | Yes | — |
| Water tank (robot) | 115 ml | 130 ml |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3.2 l | 4 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 4 l | 3 l |
| Dirty water tank (dock) | 3.5 l | 2.4 l |
| Battery & runtime | ||
| Battery capacity | 5,800 mAh | 5,200 mAh |
| Runtime | 170 min | 150 min |
| Charging time | 180 min | 230 min |
| Size & weight | ||
| Width / diameter | 350 mm | 360 mm |
| Length | 350 mm | 360 mm |
| Height | 98 mm | 105 mm |
| Weight | 6.1 kg | 5.6 kg |
| Shape | Round | Round |
| Colours | White | White, Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | — |
| Matter | Yes | — |
| Live camera view / video call | Yes | Yes |
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