Roborock - S9 MaxV Ultra vs Samsung - Jet Bot Combo AI
Between the S9 MaxV Ultra and Jet Bot Combo AI, the S9 MaxV Ultra comes out ahead in suction and battery life, while the Jet Bot Combo AI wins on noise. Overall, the S9 MaxV Ultra scores 85.1 and the Jet Bot Combo AI scores 52.5 on our Mars Score.
Which should you buy?
The S9 MaxV Ultra is the clear pick on raw spec strength, leading by 32.6 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 battery life. The biggest gaps in its favor are suction, battery life, water tank.
Pick the Jet Bot Combo AI 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 — 266.67% more. 22000 Pa vs 6000 Pa.
- ▲Battery life — 50.00% more. 180 min vs 120 min.
- ▲Water tank — 50.00% more. 300 ml vs 200 ml.
Why Samsung - Jet Bot Combo AI wins
- ▲Noise — 2.00 dB less. 63 vs 65.
Spec comparison
Cleaning
| Spec | Roborock - S9 MaxV Ultra | Samsung - Jet Bot Combo AI |
|---|---|---|
| Suction | 22000 Palead | 6000 Pa |
| Mopping | true | true |
| Water tank | 300 mllead | 200 ml |
| Dustbin | 350 mllead | 300 ml |
| Carpet detection | true | true |
Navigation
| Spec | Roborock - S9 MaxV Ultra | Samsung - Jet Bot Combo AI |
|---|---|---|
| Lidar | true | true |
| Camera navigation | true | true |
| AI obstacle avoidance | true | true |
| Max climb | 40 mmlead | 21 mm |
Autonomy
| Spec | Roborock - S9 MaxV Ultra | Samsung - Jet Bot Combo AI |
|---|---|---|
| Battery life | 180 minlead | 120 min |
| Self-empty base | true | true |
| Self-wash mop | true | true |
| Self-dry mop | true | true |
| Noise | 65 dB | 63 dBlead |
Frequently asked
Which has stronger suction, S9 MaxV Ultra or Jet Bot Combo AI?+
S9 MaxV Ultra delivers 22000 Pa vs 6000 Pa.
Do S9 MaxV Ultra or Jet Bot Combo AI mop?+
Both can mop.
Which has a self-emptying base, S9 MaxV Ultra or Jet Bot Combo AI?+
Both ship with a self-emptying base.
Spec-level deep dives
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