Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Dreame - X50 Ultra | iRobot - Roomba i7+ |
|---|---|---|
| Battery life | 210 min | 75 min |
| Noise | 63 dB | 68 dB |
| Mopping | true | false |
| Lidar | true | false |
| AI obstacle avoidance | true | false |
| Suction | 20000 Pa | 0 Pa |
Between the X50 Ultra and Roomba i7+, the X50 Ultra comes out ahead in battery life / noise, while the Roomba i7+ wins on several specs. Overall, the X50 Ultra scores 88.5 and the Roomba i7+ scores 36.6 on our Mars Score.
Which should you buy?
The X50 Ultra is the clear pick on raw spec strength, leading by 51.9 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 battery life / noise. The biggest gaps in its favor are battery life, noise, mopping, among others. The single most decisive one: Battery life — 180.00% more. 210 min vs 75 min.
The Roomba i7+ similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable 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 iRobot - Roomba i7+?
Dreame - X50 Ultra leads the current Mars Score by 51.9 points.The more useful decision is the trade-off behind that result: compare suction, battery life, mopping against the way you will actually use the product.
Choose Dreame - X50 Ultra if…
Dreame - X50 Ultra has the measurable edge on battery life min, noise db, has mopping.
Choose iRobot - Roomba i7+ if…
iRobot - Roomba i7+ 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
- ▲Battery life — 180.00% more. 210 min vs 75 min.
- ▲Noise — 5.00 dB less. 63 vs 68.
- ▲Has Mopping.
- ▲Has Lidar.
- ▲Has AI obstacle avoidance.
- ▲Suction: 20000 Pa vs 0 Pa.
- ▲Water tank: 280 ml vs 0 ml.
Why iRobot - Roomba i7+ wins
- No decisive advantages.
Spec comparison
Cleaning
| Spec | Dreame - X50 Ultra | iRobot - Roomba i7+ |
|---|---|---|
| Suction | 20000 Palead | 0 Pa |
| Mopping | truelead | false |
| Water tank | 280 mllead | 0 ml |
| Dustbin | 350 ml | 400 mllead |
| Carpet detection | true | true |
Navigation
| Spec | Dreame - X50 Ultra | iRobot - Roomba i7+ |
|---|---|---|
| Lidar | truelead | false |
| Camera navigation | true | true |
| AI obstacle avoidance | truelead | false |
| Max climb | 60 mmlead | 20 mm |
Autonomy
| Spec | Dreame - X50 Ultra | iRobot - Roomba i7+ |
|---|---|---|
| Battery life | 210 minlead | 75 min |
| Self-empty base | true | true |
| Self-wash mop | truelead | false |
| Self-dry mop | truelead | false |
| Noise | 63 dBlead | 68 dB |
Frequently asked
Which has stronger suction, X50 Ultra or Roomba i7+?+
X50 Ultra delivers 20000 Pa vs 0 Pa.
Do X50 Ultra or Roomba i7+ mop?+
X50 Ultra mops; Roomba i7+ vacuums only.
Which has a self-emptying base, X50 Ultra or Roomba i7+?+
Both ship with a self-emptying base.