Roborock - S8 Pro 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 - S8 Pro Ultra | Samsung - Jet Bot Combo AI |
|---|---|---|
| Battery life | 180 min | 120 min |
| Water tank | 180 ml | 200 ml |
| Noise | 67 dB | 63 dB |
Between the S8 Pro Ultra and Jet Bot Combo AI, the S8 Pro Ultra comes out ahead in battery life, while the Jet Bot Combo AI wins on water tank / noise. Overall, the S8 Pro Ultra scores 79 and the Jet Bot Combo AI scores 75.8 on our Mars Score.
Which should you buy?
The S8 Pro Ultra edges ahead on the Mars Score (79 vs 75.8), but the 3.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the S8 Pro Ultra if you care most about battery life. The biggest gaps in its favor are battery life. The single most decisive one: Battery life — 50.00% more. 180 min vs 120 min.
Pick the Jet Bot Combo AI if you care most about water tank / noise. Its strongest claims are water tank, noise. The single most decisive one: Water tank — 11.11% more. 200 ml vs 180 ml.
Both ship with comparable suction, mopping, lidar, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Roborock - S8 Pro Ultra or Samsung - Jet Bot Combo AI?
Roborock - S8 Pro Ultra leads the current Mars Score by 3.2 points.The more useful decision is the trade-off behind that result: compare battery life against the way you will actually use the product.
Choose Roborock - S8 Pro Ultra if…
Roborock - S8 Pro Ultra has the measurable edge on battery life min.
Choose Samsung - Jet Bot Combo AI if…
Samsung - Jet Bot Combo AI has the measurable edge on water tank capacity ml, 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 - S8 Pro Ultra wins
- ▲Battery life — 50.00% more. 180 min vs 120 min.
Why Samsung - Jet Bot Combo AI wins
- ▲Water tank — 11.11% more. 200 ml vs 180 ml.
- ▲Noise — 4.00 dB less. 63 vs 67.
Spec comparison
Cleaning
| Spec | Roborock - S8 Pro Ultra | Samsung - Jet Bot Combo AI |
|---|---|---|
| Suction | 6000 Pa | 6000 Pa |
| Mopping | true | true |
| Water tank | 180 ml | 200 mllead |
| Dustbin | 400 mllead | 300 ml |
| Carpet detection | true | true |
Navigation
| Spec | Roborock - S8 Pro Ultra | Samsung - Jet Bot Combo AI |
|---|---|---|
| Lidar | true | true |
| Camera navigation | true | true |
| AI obstacle avoidance | true | true |
| Max climb | 20 mm | 21 mmlead |
Autonomy
| Spec | Roborock - S8 Pro 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 | 67 dB | 63 dBlead |
Frequently asked
Which has stronger suction, S8 Pro Ultra or Jet Bot Combo AI?+
Jet Bot Combo AI delivers 6000 Pa vs 6000 Pa.
Do S8 Pro Ultra or Jet Bot Combo AI mop?+
Both can mop.
Which has a self-emptying base, S8 Pro Ultra or Jet Bot Combo AI?+
Both ship with a self-emptying base.