Comparison of Roomba Models
Strangely, when I first set up my site, Roomba didn't have any comparison chart on their site to compare and contrast the various models. They finally caught up to me a little while ago :)The naming convention of Roombas is a bit odd so that you can't really tell which is better than which, unless you go on price alone.
Here's a list of the models and their features. Note that I'm not including the Original Roomba as it's not available any more. Note that you sometimes hear about "Roomba 2.1". Every Roomba on this chart is a Roomba 2.1 - that's just a term to separate these from the original Roomba and the Roomba Pro (which is also not sold any more).
| Model | Price | Charge | Bin | Recharge | Schedule | Why Upgrade to This? |
| Roomba Dirt Dog | $129 | 7 hrs | sm | manual | extra | for basements |
| Roomba Red | $150 | 7 hrs | sm | manual | extra | base, cheapest model |
| Roomba Sage | $200 | 3 hrs | sm | manual | extra | better battery life |
| Roomba Discovery | $250 | 3 hrs | lg | auto | extra | larger trash bin |
| Roomba Discovery SE | $300 | 3 hrs | lg | auto | extra | Charges while hanging on the wall |
| Roomba Scheduler | $330 | 3 hrs | lg | auto | yes | Scheduling option is *great* |
There are also "pet" versions of a few Roombas, which just add different brushes.
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