Roborock - S9 MaxV Ultra vs Samsung - Jet Bot Combo AI
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Roborock - S9 MaxV Ultra | Samsung - Jet Bot Combo AI |
|---|---|---|
| Suction | 22000 Pa | 6000 Pa |
| Battery life | 180 min | 120 min |
| Water tank | 300 ml | 200 ml |
| Noise | 65 dB | 63 dB |
Between the S9 MaxV Ultra and Jet Bot Combo AI, the S9 MaxV Ultra comes out ahead in suction / battery life, while the Jet Bot Combo AI wins on noise. Overall, the S9 MaxV Ultra scores 88 and the Jet Bot Combo AI scores 75.8 on our Mars Score.
Which should you buy?
The S9 MaxV Ultra is the clear pick on raw spec strength, leading by 12.2 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 / battery life. The biggest gaps in its favor are suction, battery life, water tank. The single most decisive one: Suction — 266.67% more. 22000 Pa vs 6000 Pa.
Pick the Jet Bot Combo AI if you care most about noise. Its strongest claims are noise. The single most decisive one: Noise — 2.00 dB less. 63 vs 65.
Both ship with comparable mopping, lidar, self-empty base, so those specs do not 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.
Which should you buy: Roborock - S9 MaxV Ultra or Samsung - Jet Bot Combo AI?
Roborock - S9 MaxV Ultra leads the current Mars Score by 12.2 points.The more useful decision is the trade-off behind that result: compare suction, battery life against the way you will actually use the product.
Choose Roborock - S9 MaxV Ultra if…
Roborock - S9 MaxV Ultra has the measurable edge on suction pa, battery life min, water tank capacity ml.
Choose Samsung - Jet Bot Combo AI if…
Samsung - Jet Bot Combo AI has the measurable edge on noise db.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
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.