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- Deebot X9 Pro Omni vs S8 Pro Ultra
Ecovacs Deebot X9 Pro Omni vs Roborock S8 Pro Ultra
What Deebot X9 Pro Omni does better (7) and where S8 Pro Ultra wins (4) — every spec side by side.
vs
6.5Cleaning power3.4
8.6Navigation6.8
8.2Mopping5.4
6.8Base station9.0
7.2Battery6.4
Dimensions
Size comparison
Deebot X9 Pro OmniS8 Pro Ultra
| Deebot X9 Pro Omni | S8 Pro Ultra | Difference | |
|---|---|---|---|
| Height | 98 mm | 96 mm | +2 mm |
| Width / diameter | 353 mm | 350 mm | +3 mm |
| Length | 353 mm | 350 mm | +3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Deebot X9 Pro Omni better than S8 Pro Ultra?
- Suction power16,600 Pa vs 4,000 Pa4.2×
- Obstacle avoidanceAI camera + 3D structured light vs Basic sensors (infrared / bumper)
- Mop typeRoller mop vs Vibrating / sonic mop
- Mop lift height10 mm vs 5 mm2×
- Battery capacity6,400 mAh vs 5,200 mAh+23%
- Charging time240 min vs 360 min+50%
- Noise level65 dB vs 67 dB+3%
Why is S8 Pro Ultra better than Deebot X9 Pro Omni?
- Runtime150 min vs 180 min+20%
- Threshold climbing20 mm vs 22 mm+10%
- Height98 mm vs 96 mm+2%
- Dustbin (robot)220 ml vs 350 ml+59%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 16,600 Pa | 4,000 Pa |
| Dustbin (robot) | 220 ml | 350 ml |
| Main brush | Single main brush | Dual main brushes |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Extending side brush | Yes | — |
| Carpet detection | Yes | Yes |
| Noise level | 65 dB | 67 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors | 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 | Roller mop | Vibrating / sonic mop |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 10 mm | 5 mm |
| Extending mop (edges) | Yes | — |
| 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 | Yes |
| Clean water tank (dock) | 4 l | — |
| Dirty water tank (dock) | 2.2 l | — |
| Battery & runtime | ||
| Battery capacity | 6,400 mAh | 5,200 mAh |
| Runtime | 150 min | 180 min |
| Charging time | 240 min | 360 min |
| Cleaning area per charge | — | 300 m² |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 353 mm | 350 mm |
| Length | 353 mm | 350 mm |
| Height | 98 mm | 96 mm |
| Shape | Round | Round |
| Colours | Black | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Built-in voice assistant | Amazon Alexa, Google Assistant, Apple Siri |
| Live camera view / video call | Yes | — |
| Remote control | — | Yes |
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