Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Dreame - X50 Ultra | Yeedi - Cube |
|---|---|---|
| Suction | 20000 Pa | 8000 Pa |
| Water tank | 280 ml | 230 ml |
| Battery life | 210 min | 180 min |
| Noise | 63 dB | 65 dB |
| AI obstacle avoidance | true | false |
Between the X50 Ultra and Cube, the X50 Ultra comes out ahead in suction / water tank, while the Cube wins on several specs. Overall, the X50 Ultra scores 88.5 and the Cube scores 80.1 on our Mars Score.
Which should you buy?
The X50 Ultra is the clear pick on raw spec strength, leading by 8.4 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 X50 Ultra if you care most about suction / water tank. The biggest gaps in its favor are suction, water tank, battery life, among others. The single most decisive one: Suction — 150.00% more. 20000 Pa vs 8000 Pa.
The Cube 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, self-empty base, so those specs do not separate the two — focus on the differences below.
Bottom line: the X50 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: Dreame - X50 Ultra or Yeedi - Cube?
Dreame - X50 Ultra leads the current Mars Score by 8.4 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 - X50 Ultra if…
Dreame - X50 Ultra has the measurable edge on suction pa, water tank capacity ml, battery life min.
Choose Yeedi - Cube if…
Yeedi - Cube 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 Dreame - X50 Ultra wins
- ▲Suction — 150.00% more. 20000 Pa vs 8000 Pa.
- ▲Water tank — 21.74% more. 280 ml vs 230 ml.
- ▲Battery life — 16.67% more. 210 min vs 180 min.
- ▲Noise — 2.00 dB less. 63 vs 65.
- ▲Has AI obstacle avoidance.
Why Yeedi - Cube wins
- No decisive advantages.
Spec comparison
Cleaning
| Spec | Dreame - X50 Ultra | Yeedi - Cube |
|---|---|---|
| Suction | 20000 Palead | 8000 Pa |
| Mopping | true | true |
| Water tank | 280 mllead | 230 ml |
| Dustbin | 350 mllead | 300 ml |
| Carpet detection | true | true |
Navigation
| Spec | Dreame - X50 Ultra | Yeedi - Cube |
|---|---|---|
| Lidar | true | true |
| Camera navigation | truelead | false |
| AI obstacle avoidance | truelead | false |
| Max climb | 60 mmlead | 20 mm |
Autonomy
| Spec | Dreame - X50 Ultra | Yeedi - Cube |
|---|---|---|
| Battery life | 210 minlead | 180 min |
| Self-empty base | true | true |
| Self-wash mop | true | true |
| Self-dry mop | true | true |
| Noise | 63 dBlead | 65 dB |
Frequently asked
Which has stronger suction, X50 Ultra or Cube?+
X50 Ultra delivers 20000 Pa vs 8000 Pa.
Do X50 Ultra or Cube mop?+
Both can mop.
Which has a self-emptying base, X50 Ultra or Cube?+
Both ship with a self-emptying base.