Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Dreame - X40 Ultra | Ecovacs - Deebot T30 Omni |
|---|---|---|
| Water tank | 270 ml | 210 ml |
| Battery life | 210 min | 180 min |
| Suction | 12000 Pa | 11000 Pa |
| Noise | 65 dB | 63 dB |
Between the X40 Ultra and Deebot T30 Omni, the X40 Ultra comes out ahead in water tank / battery life, while the Deebot T30 Omni wins on noise. Overall, the X40 Ultra scores 83.9 and the Deebot T30 Omni scores 81.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (83.9 vs 81.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the X40 Ultra if you care most about water tank / battery life. The biggest gaps in its favor are water tank, battery life, suction. The single most decisive one: Water tank — 28.57% more. 270 ml vs 210 ml.
Pick the Deebot T30 Omni 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: 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: Dreame - X40 Ultra or Ecovacs - Deebot T30 Omni?
Dreame - X40 Ultra leads the current Mars Score by 2.0 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 Dreame - X40 Ultra if…
Dreame - X40 Ultra has the measurable edge on water tank capacity ml, battery life min, suction pa.
Choose Ecovacs - Deebot T30 Omni if…
Ecovacs - Deebot T30 Omni 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 Dreame - X40 Ultra wins
- ▲Water tank — 28.57% more. 270 ml vs 210 ml.
- ▲Battery life — 16.67% more. 210 min vs 180 min.
- ▲Suction — 9.09% more. 12000 Pa vs 11000 Pa.
Why Ecovacs - Deebot T30 Omni wins
- ▲Noise — 2.00 dB less. 63 vs 65.
Spec comparison
Cleaning
| Spec | Dreame - X40 Ultra | Ecovacs - Deebot T30 Omni |
|---|---|---|
| Suction | 12000 Palead | 11000 Pa |
| Mopping | true | true |
| Water tank | 270 mllead | 210 ml |
| Dustbin | 350 ml | 420 mllead |
| Carpet detection | true | true |
Navigation
| Spec | Dreame - X40 Ultra | Ecovacs - Deebot T30 Omni |
|---|---|---|
| Lidar | true | true |
| Camera navigation | true | true |
| AI obstacle avoidance | true | true |
| Max climb | 60 mmlead | 22 mm |
Autonomy
| Spec | Dreame - X40 Ultra | Ecovacs - Deebot T30 Omni |
|---|---|---|
| Battery life | 210 minlead | 180 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, X40 Ultra or Deebot T30 Omni?+
X40 Ultra delivers 12000 Pa vs 11000 Pa.
Do X40 Ultra or Deebot T30 Omni mop?+
Both can mop.
Which has a self-emptying base, X40 Ultra or Deebot T30 Omni?+
Both ship with a self-emptying base.