Quick takeaway
iRobot Roomba s9 Plus leads this matchup 0 to 0 on measured spec rows and by 100 points overall. Miele Complete C3 Calima is also about $100.00 cheaper at the latest tracked price.
iRobot Roomba s9 Plus vs Miele Complete C3 Calima
Choose iRobot Roomba s9 Plus if...
Pick iRobot Roomba s9 Plus if its current price, brand, or design fits your shortlist better than Miele Complete C3 Calima. It currently costs about $100.00 more, so make sure those wins matter to you.
Choose Miele Complete C3 Calima if...
Pick Miele Complete C3 Calima if its current price, brand, or design fits your shortlist better than iRobot Roomba s9 Plus.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Performance
| Spec | iRobot Roomba s9 Plus | Miele Complete C3 Calima |
|---|---|---|
| Suction | 40x (strongest in Roomba line) | - |
Battery and power
| Spec | iRobot Roomba s9 Plus | Miele Complete C3 Calima |
|---|---|---|
| Battery Life | Up to 120 min | - |
| Power Source | - | Corded |
Dimensions
| Spec | iRobot Roomba s9 Plus | Miele Complete C3 Calima |
|---|---|---|
| Dustbin | 0.5 L | - |
General
| Spec | iRobot Roomba s9 Plus | Miele Complete C3 Calima |
|---|---|---|
| Bin Type | - | Bagged |
| Brand | iRobot | Miele |
| Category | Vacuum cleaner | Vacuum cleaner |
| Type | Robot vacuum | Upright or stick |
The verdict
Based on 14 spec comparisons plus user ratings, the iRobot Roomba s9 Plus comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the iRobot Roomba s9 Plus vs Miele Complete C3 Calima score measuring?
VSFinder compares 13 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $299.99 for iRobot Roomba s9 Plus and $199.99 for Miele Complete C3 Calima.