Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Dreame - L40 Ultra | Wyze - Robot Vacuum Pro |
|---|---|---|
| Suction | 11000 Pa | 3000 Pa |
| Battery life | 200 min | 120 min |
| Water tank | 260 ml | 180 ml |
| AI obstacle avoidance | true | false |
Between the L40 Ultra and Robot Vacuum Pro, the L40 Ultra comes out ahead in suction / battery life, while the Robot Vacuum Pro wins on several specs. Overall, the L40 Ultra scores 82.9 and the Robot Vacuum Pro scores 74.1 on our Mars Score.
Which should you buy?
The L40 Ultra is the clear pick on raw spec strength, leading by 8.8 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 L40 Ultra if you care most about suction / battery life. The biggest gaps in its favor are suction, battery life, water tank, among others. The single most decisive one: Suction — 266.67% more. 11000 Pa vs 3000 Pa.
The Robot Vacuum Pro 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 L40 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 - L40 Ultra or Wyze - Robot Vacuum Pro?
Dreame - L40 Ultra leads the current Mars Score by 8.8 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 - L40 Ultra if…
Dreame - L40 Ultra has the measurable edge on suction pa, battery life min, water tank capacity ml.
Choose Wyze - Robot Vacuum Pro if…
Wyze - Robot Vacuum Pro 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 - L40 Ultra wins
- ▲Suction — 266.67% more. 11000 Pa vs 3000 Pa.
- ▲Battery life — 66.67% more. 200 min vs 120 min.
- ▲Water tank — 44.44% more. 260 ml vs 180 ml.
- ▲Has AI obstacle avoidance.
Why Wyze - Robot Vacuum Pro wins
- No decisive advantages.
Spec comparison
Cleaning
| Spec | Dreame - L40 Ultra | Wyze - Robot Vacuum Pro |
|---|---|---|
| Suction | 11000 Palead | 3000 Pa |
| Mopping | true | true |
| Water tank | 260 mllead | 180 ml |
| Dustbin | 320 ml | 350 mllead |
| Carpet detection | true | true |
Navigation
| Spec | Dreame - L40 Ultra | Wyze - Robot Vacuum Pro |
|---|---|---|
| Lidar | true | true |
| Camera navigation | true | true |
| AI obstacle avoidance | truelead | false |
| Max climb | 40 mmlead | 18 mm |
Autonomy
| Spec | Dreame - L40 Ultra | Wyze - Robot Vacuum Pro |
|---|---|---|
| Battery life | 200 minlead | 120 min |
| Self-empty base | true | true |
| Self-wash mop | truelead | false |
| Self-dry mop | truelead | false |
| Noise | 65 dB | 65 dB |
Frequently asked
Which has stronger suction, L40 Ultra or Robot Vacuum Pro?+
L40 Ultra delivers 11000 Pa vs 3000 Pa.
Do L40 Ultra or Robot Vacuum Pro mop?+
Both can mop.
Which has a self-emptying base, L40 Ultra or Robot Vacuum Pro?+
Both ship with a self-emptying base.