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- Deebot T9 vs RS20 Pro
Ecovacs Deebot T9 vs EZVIZ RS20 Pro
What Deebot T9 does better (3) and where RS20 Pro wins (6) — every spec side by side.
Dimensions
Size comparison
Deebot T9RS20 Pro
| Deebot T9 | RS20 Pro | Difference | |
|---|---|---|---|
| Height | 93 mm | 101 mm | −8 mm |
| Width / diameter | 353 mm | 365 mm | −12 mm |
| Length | 353 mm | 365 mm | −12 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Deebot T9 better than RS20 Pro?
- Water tank (robot)180 ml vs 100 ml+80%
- Height93 mm vs 101 mm+9%
- Dustbin (robot)400 ml vs 350 ml+14%
Why is RS20 Pro better than Deebot T9?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Base stationAuto-empty dock vs All-in-one dock (empty + wash)
- Runtime175 min vs 190 min+9%
- Charging time390 min vs 180 min2.2×
- Cleaning area per charge175 m² vs 300 m²+71%
- Noise level67 dB vs 65 dB+3%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 7,200 Pa |
| Dustbin (robot) | 400 ml | 350 ml |
| Main brush | — | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 2 | 2 |
| Carpet detection | — | Yes |
| Dirt detection | — | Yes |
| HEPA filter | Yes | — |
| Noise level | 67 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 | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | — | Rotating mop pads |
| Automatic mop removal | — | Yes |
| Water tank (robot) | 180 ml | 100 ml |
| Base station | ||
| Base station | Auto-empty dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | — | 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) | — | 5 l |
| Dirty water tank (dock) | — | 4.2 l |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | 175 min | 190 min |
| Charging time | 390 min | 180 min |
| Cleaning area per charge | 175 m² | 300 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 353 mm | 365 mm |
| Length | 353 mm | 365 mm |
| Height | 93 mm | 101 mm |
| Weight | 3.6 kg | — |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
| Live camera view / video call | — | Yes |
| Remote control | Yes | — |
