Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Roborock - Saros Z70 | Yeedi - Cube |
|---|---|---|
| Suction | 22000 Pa | 8000 Pa |
| Water tank | 270 ml | 230 ml |
| AI obstacle avoidance | true | false |
Between the Saros Z70 and Cube, the Saros Z70 comes out ahead in suction / water tank, while the Cube wins on several specs. Overall, the Saros Z70 scores 88 and the Cube scores 80.1 on our Mars Score.
Which should you buy?
The Saros Z70 edges ahead on the Mars Score (88 vs 80.1), but the 7.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Saros Z70 if you care most about suction / water tank. The biggest gaps in its favor are suction, water tank, ai obstacle avoidance. The single most decisive one: Suction — 175.00% more. 22000 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, battery life, so those specs do not separate the two — focus on the differences below.
Bottom line: the Saros Z70 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 - Saros Z70 or Yeedi - Cube?
Roborock - Saros Z70 leads the current Mars Score by 7.9 points.The more useful decision is the trade-off behind that result: compare suction against the way you will actually use the product.
Choose Roborock - Saros Z70 if…
Roborock - Saros Z70 has the measurable edge on suction pa, water tank capacity ml, has ai obstacle avoidance.
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 Roborock - Saros Z70 wins
- ▲Suction — 175.00% more. 22000 Pa vs 8000 Pa.
- ▲Water tank — 17.39% more. 270 ml vs 230 ml.
- ▲Has AI obstacle avoidance.
Why Yeedi - Cube wins
- No decisive advantages.
Spec comparison
Cleaning
| Spec | Roborock - Saros Z70 | Yeedi - Cube |
|---|---|---|
| Suction | 22000 Palead | 8000 Pa |
| Mopping | true | true |
| Water tank | 270 mllead | 230 ml |
| Dustbin | 300 ml | 300 ml |
| Carpet detection | true | true |
Navigation
| Spec | Roborock - Saros Z70 | Yeedi - Cube |
|---|---|---|
| Lidar | true | true |
| Camera navigation | truelead | false |
| AI obstacle avoidance | truelead | false |
| Max climb | 40 mmlead | 20 mm |
Autonomy
| Spec | Roborock - Saros Z70 | Yeedi - Cube |
|---|---|---|
| Battery life | 180 min | 180 min |
| Self-empty base | true | true |
| Self-wash mop | true | true |
| Self-dry mop | true | true |
| Noise | 65 dB | 65 dB |
Frequently asked
Which has stronger suction, Saros Z70 or Cube?+
Saros Z70 delivers 22000 Pa vs 8000 Pa.
Do Saros Z70 or Cube mop?+
Both can mop.
Which has a self-emptying base, Saros Z70 or Cube?+
Both ship with a self-emptying base.