Between the S9 MaxV Ultra and K10+ Pro, the S9 MaxV Ultra comes out ahead in suction and water tank, while the K10+ Pro wins on noise. Overall, the S9 MaxV Ultra scores 85.1 and the K10+ Pro scores 49.3 on our Mars Score.
Which should you buy?
The S9 MaxV Ultra is the clear pick on raw spec strength, leading by 35.8 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the S9 MaxV Ultra if you care most about suction and water tank. The biggest gaps in its favor are suction, water tank, battery life, among others.
Pick the K10+ Pro if you care most about noise. Its strongest claims are noise.
Both ship with comparable mopping, lidar, self-empty base, so those specs don't separate the two — focus on the differences below.
Bottom line: the S9 MaxV Ultra is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Roborock - S9 MaxV Ultra wins
- ▲Suction — 633.33% more. 22000 Pa vs 3000 Pa.
- ▲Water tank — 66.67% more. 300 ml vs 180 ml.
- ▲Battery life — 20.00% more. 180 min vs 150 min.
- ▲Has AI obstacle avoidance.
Why SwitchBot - K10+ Pro wins
- ▲Noise — 20.00 dB less. 45 vs 65.
Spec comparison
Cleaning
| Spec | Roborock - S9 MaxV Ultra | SwitchBot - K10+ Pro |
|---|---|---|
| Suction | 22000 Palead | 3000 Pa |
| Mopping | true | true |
| Water tank | 300 mllead | 180 ml |
| Dustbin | 350 mllead | 200 ml |
| Carpet detection | true | true |
Navigation
| Spec | Roborock - S9 MaxV Ultra | SwitchBot - K10+ Pro |
|---|---|---|
| Lidar | true | true |
| Camera navigation | truelead | false |
| AI obstacle avoidance | truelead | false |
| Max climb | 40 mmlead | 20 mm |
Autonomy
| Spec | Roborock - S9 MaxV Ultra | SwitchBot - K10+ Pro |
|---|---|---|
| Battery life | 180 minlead | 150 min |
| Self-empty base | true | true |
| Self-wash mop | truelead | false |
| Self-dry mop | truelead | false |
| Noise | 65 dB | 45 dBlead |
Frequently asked
Which has stronger suction, S9 MaxV Ultra or K10+ Pro?+
S9 MaxV Ultra delivers 22000 Pa vs 3000 Pa.
Do S9 MaxV Ultra or K10+ Pro mop?+
Both can mop.
Which has a self-emptying base, S9 MaxV Ultra or K10+ Pro?+
Both ship with a self-emptying base.
Spec-level deep dives
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