Quick takeaway
iRobot Roomba s9 Plus leads this matchup 0 to 0 on measured spec rows and by 100 points overall. iRobot Roomba s9 Plus is also about $530.00 cheaper at the latest tracked price.
Asko DFI655XXL.S Pro Series vs iRobot Roomba s9 Plus
Choose Asko DFI655XXL.S Pro Series if...
Pick Asko DFI655XXL.S Pro Series if its current price, brand, or design fits your shortlist better than iRobot Roomba s9 Plus. It currently costs about $530.00 more, so make sure those wins matter to you.
Choose iRobot Roomba s9 Plus if...
Pick iRobot Roomba s9 Plus if its current price, brand, or design fits your shortlist better than Asko DFI655XXL.S Pro Series.
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 | Asko DFI655XXL.S Pro Series | iRobot Roomba s9 Plus |
|---|---|---|
| Noise Level | 46 dBA (quiet) | - |
| Suction | - | 40x (strongest in Roomba line) |
Battery and power
| Spec | Asko DFI655XXL.S Pro Series | iRobot Roomba s9 Plus |
|---|---|---|
| Battery Life | - | Up to 120 min |
Dimensions
| Spec | Asko DFI655XXL.S Pro Series | iRobot Roomba s9 Plus |
|---|---|---|
| Dustbin | - | 0.5 L |
| Width | 24-inch | - |
General
| Spec | Asko DFI655XXL.S Pro Series | iRobot Roomba s9 Plus |
|---|---|---|
| Brand | Asko | iRobot |
| Capacity | 14 place settings | - |
| Category | Dishwasher | Vacuum cleaner |
| Type | Built-in | Robot vacuum |
The verdict
Based on 16 spec comparisons plus user ratings, the iRobot Roomba s9 Plus comes out ahead with a stronger overall score.
As an Amazon Associate, VSFinder earns from qualifying purchases.
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 Asko DFI655XXL.S Pro Series vs iRobot Roomba s9 Plus score measuring?
VSFinder compares 16 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 $829.99 for Asko DFI655XXL.S Pro Series and $299.99 for iRobot Roomba s9 Plus.