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- Deebot T20 Omni vs S8 Pro Ultra
Ecovacs Deebot T20 Omni vs Roborock S8 Pro Ultra
What Deebot T20 Omni does better (4) and where S8 Pro Ultra wins (5) — every spec side by side.
vs
4.3Cleaning power3.4
8.6Navigation6.8
8.5Mopping5.4
8.0Base station9.0
5.4Battery6.4
Dimensions
Size comparison
Deebot T20 OmniS8 Pro Ultra
| Deebot T20 Omni | S8 Pro Ultra | Difference | |
|---|---|---|---|
| Height | 104 mm | 96 mm | +8 mm |
| Width / diameter | 362 mm | 350 mm | +12 mm |
| Length | 362 mm | 350 mm | +12 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Deebot T20 Omni better than S8 Pro Ultra?
- Obstacle avoidanceAI camera + 3D structured light vs Basic sensors (infrared / bumper)
- Mop typeRotating mop pads vs Vibrating / sonic mop
- Suction power6,000 Pa vs 4,000 Pa+50%
- Cleaning area per charge446 m² vs 300 m²+49%
Why is S8 Pro Ultra better than Deebot T20 Omni?
- Runtime140 min vs 180 min+29%
- Threshold climbing20 mm vs 22 mm+10%
- Height104 mm vs 96 mm+8%
- Dustbin (robot)300 ml vs 350 ml+17%
- Charging time390 min vs 360 min+8%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 6,000 Pa | 4,000 Pa |
| Dustbin (robot) | 300 ml | 350 ml |
| Main brush | Single main brush | Dual main brushes |
| Side brushes | 2 | 1 |
| Carpet detection | Yes | Yes |
| Noise level | 68 dB | 67 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Ultrasonic sensor | LiDAR laser (LDS) |
| Obstacle avoidance | AI camera + 3D structured light | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 22 mm |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Vibrating / sonic mop |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | — | 5 mm |
| Water tank (robot) | — | 200 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 l | — |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | — |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | — | Yes |
| Clean water tank (dock) | 4 l | — |
| Dirty water tank (dock) | 4 l | — |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 140 min | 180 min |
| Charging time | 390 min | 360 min |
| Cleaning area per charge | 446 m² | 300 m² |
| Recharge & resume | Yes | Yes |
| Size & weight | ||
| Width / diameter | 362 mm | 350 mm |
| Length | 362 mm | 350 mm |
| Height | 104 mm | 96 mm |
| Shape | Round | Round |
| Colours | White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Built-in voice assistant | Amazon Alexa, Google Assistant, Apple Siri |
| Remote control | — | Yes |
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