Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Ecovacs - Deebot T30 Omni | Roborock - S8 Pro Ultra |
|---|---|---|
| Suction | 11000 Pa | 6000 Pa |
| Water tank | 210 ml | 180 ml |
| Noise | 63 dB | 67 dB |
Between the Deebot T30 Omni and S8 Pro Ultra, the Deebot T30 Omni comes out ahead in suction / water tank, while the S8 Pro Ultra wins on several specs. Overall, the Deebot T30 Omni scores 81.9 and the S8 Pro Ultra scores 79 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (81.9 vs 79). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Deebot T30 Omni if you care most about suction / water tank. The biggest gaps in its favor are suction, water tank, noise. The single most decisive one: Suction — 83.33% more. 11000 Pa vs 6000 Pa.
The S8 Pro Ultra similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable mopping, lidar, battery life, 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: Ecovacs - Deebot T30 Omni or Roborock - S8 Pro Ultra?
Ecovacs - Deebot T30 Omni leads the current Mars Score by 2.9 points.The more useful decision is the trade-off behind that result: compare suction against the way you will actually use the product.
Choose Ecovacs - Deebot T30 Omni if…
Ecovacs - Deebot T30 Omni has the measurable edge on suction pa, water tank capacity ml, noise db.
Choose Roborock - S8 Pro Ultra if…
Roborock - S8 Pro Ultra does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 Ecovacs - Deebot T30 Omni wins
- ▲Suction — 83.33% more. 11000 Pa vs 6000 Pa.
- ▲Water tank — 16.67% more. 210 ml vs 180 ml.
- ▲Noise — 4.00 dB less. 63 vs 67.
Why Roborock - S8 Pro Ultra wins
- No decisive advantages.
Spec comparison
Cleaning
| Spec | Ecovacs - Deebot T30 Omni | Roborock - S8 Pro Ultra |
|---|---|---|
| Suction | 11000 Palead | 6000 Pa |
| Mopping | true | true |
| Water tank | 210 mllead | 180 ml |
| Dustbin | 420 mllead | 400 ml |
| Carpet detection | true | true |
Navigation
| Spec | Ecovacs - Deebot T30 Omni | Roborock - S8 Pro Ultra |
|---|---|---|
| Lidar | true | true |
| Camera navigation | true | true |
| AI obstacle avoidance | true | true |
| Max climb | 22 mmlead | 20 mm |
Autonomy
| Spec | Ecovacs - Deebot T30 Omni | Roborock - S8 Pro Ultra |
|---|---|---|
| Battery life | 180 min | 180 min |
| Self-empty base | true | true |
| Self-wash mop | true | true |
| Self-dry mop | true | true |
| Noise | 63 dBlead | 67 dB |
Frequently asked
Which has stronger suction, Deebot T30 Omni or S8 Pro Ultra?+
Deebot T30 Omni delivers 11000 Pa vs 6000 Pa.
Do Deebot T30 Omni or S8 Pro Ultra mop?+
Both can mop.
Which has a self-emptying base, Deebot T30 Omni or S8 Pro Ultra?+
Both ship with a self-emptying base.