Roborock - S8 Pro Ultra vs iRobot - Roomba Combo 10 Max
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Roborock - S8 Pro Ultra | iRobot - Roomba Combo 10 Max |
|---|---|---|
| Water tank | 180 ml | 210 ml |
| Noise | 67 dB | 70 dB |
| Lidar | true | false |
| Suction | 6000 Pa | 0 Pa |
Between the S8 Pro Ultra and Roomba Combo 10 Max, the S8 Pro Ultra comes out ahead in noise / lidar, while the Roomba Combo 10 Max wins on water tank. Overall, the S8 Pro Ultra scores 79 and the Roomba Combo 10 Max scores 59 on our Mars Score.
Which should you buy?
The S8 Pro Ultra is the clear pick on raw spec strength, leading by 20.0 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 S8 Pro Ultra if you care most about noise / lidar. The biggest gaps in its favor are noise, lidar, suction. The single most decisive one: Noise — 3.00 dB less. 67 vs 70.
Pick the Roomba Combo 10 Max if you care most about water tank. Its strongest claims are water tank. The single most decisive one: Water tank — 16.67% more. 210 ml vs 180 ml.
Both ship with comparable mopping, battery life, self-empty base, so those specs do not separate the two — focus on the differences below.
Bottom line: the S8 Pro 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 - S8 Pro Ultra or iRobot - Roomba Combo 10 Max?
Roborock - S8 Pro Ultra leads the current Mars Score by 20.0 points.The more useful decision is the trade-off behind that result: compare suction against the way you will actually use the product.
Choose Roborock - S8 Pro Ultra if…
Roborock - S8 Pro Ultra has the measurable edge on noise db, has lidar, suction pa.
Choose iRobot - Roomba Combo 10 Max if…
iRobot - Roomba Combo 10 Max has the measurable edge on water tank capacity ml.
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
- ▲Noise — 3.00 dB less. 67 vs 70.
- ▲Has Lidar.
- ▲Suction: 6000 Pa vs 0 Pa.
Why iRobot - Roomba Combo 10 Max wins
- ▲Water tank — 16.67% more. 210 ml vs 180 ml.
Spec comparison
Cleaning
| Spec | Roborock - S8 Pro Ultra | iRobot - Roomba Combo 10 Max |
|---|---|---|
| Suction | 6000 Palead | 0 Pa |
| Mopping | true | true |
| Water tank | 180 ml | 210 mllead |
| Dustbin | 400 ml | 500 mllead |
| Carpet detection | true | true |
Navigation
| Spec | Roborock - S8 Pro Ultra | iRobot - Roomba Combo 10 Max |
|---|---|---|
| Lidar | truelead | false |
| Camera navigation | true | true |
| AI obstacle avoidance | true | true |
| Max climb | 20 mm | 20 mm |
Autonomy
| Spec | Roborock - S8 Pro Ultra | iRobot - Roomba Combo 10 Max |
|---|---|---|
| Battery life | 180 min | 180 min |
| Self-empty base | true | true |
| Self-wash mop | true | true |
| Self-dry mop | true | true |
| Noise | 67 dBlead | 70 dB |
Frequently asked
Which has stronger suction, S8 Pro Ultra or Roomba Combo 10 Max?+
S8 Pro Ultra delivers 6000 Pa vs 0 Pa.
Do S8 Pro Ultra or Roomba Combo 10 Max mop?+
Both can mop.
Which has a self-emptying base, S8 Pro Ultra or Roomba Combo 10 Max?+
Both ship with a self-emptying base.