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Quick answer: Roomba model names can look confusingly similar. Compare mapping, mopping, dock features and the exact model number before comparing discounts.
Roomba models to put side by side
Roomba 105 Combo
A more straightforward vacuum-and-mop entry point. It is worth comparing if you want basic automation without paying for the most elaborate dock system.
Roomba 105X Combo
The 105X sits close enough in naming to the 105 that you should compare the exact included hardware rather than assuming the X only means a cosmetic change.
Roomba Max 775X
A higher-tier option for shoppers who care more about automation and a more hands-off cleaning routine. Compare dock size and maintenance needs as carefully as the robot itself.
Roomba 415X
A different part of the current Roomba lineup. Check the product page for the exact navigation, cleaning and dock package because the model number alone does not tell you the whole story.
Roomba deal checklist
- Check whether the listing includes a dock and what that dock actually does.
- Confirm vacuum-only versus vacuum-and-mop functionality.
- Measure the dock area before buying a larger self-service setup.
- Compare replacement-part and maintenance costs, not only the sale price.
For non-iRobot options, see our robot vacuum deal guide, or return to the Prime Big Deal Days hub.
Checked October 2, 2026. Amazon prices, bundles and availability can change.