Mopping automation or a vacuum-only routine?
Roborock vs Roomba: start with the cleaning job
Compare the Qrevo Edge S5A if you want vacuuming and automated mop care. Compare the vacuum-only Roomba j9+ if you already handle wet cleaning separately. The useful choice is the system you will maintain, not a blanket brand winner.
By BestOnAmz Research Desk · Last reviewed
Compare the options ↓The decision at a glance
These are different configurations, not equivalent flagships in a head-to-head cleaning test. The Roborock includes mop hardware and a wash-and-dry dock; this Roomba does not mop. Use that difference first, then compare the actual offers and the chores left for you.
| Decision | Roborock Qrevo Edge S5A | iRobot Roomba j9+ |
|---|---|---|
| Cleaning job | Vacuuming and mopping | Vacuuming only |
| Dock job | Dust emptying plus mop washing, drying and water refill | Dust emptying into a disposal bag |
| Your recurring work | Water tanks, mop hardware and normal vacuum upkeep | Normal vacuum upkeep and dock bags |
| Model trap | S5A is not the full Qrevo Edge configuration | j9+ is not Combo j9+ |
| Good starting fit | Hard floors you want wet-cleaned regularly | Homes where wet cleaning is handled separately |
Scroll the table horizontally on a small screen.
The models we would compare

01 / For vacuuming and automated mop care
Roborock Qrevo Edge S5A
Black S5A · Multifunctional Dock 3.0
The relevant option here when mopping is a real weekly chore you want the robot system to help handle.
- Vacuum-and-mop configuration
- Dock washes and dries mop cloths
- Bagged dust emptying and onboard water refill
The trade-off: Water tanks and the dock still need attention. S5A lacks some full Qrevo Edge features; do not assume every Edge review applies.
View Roborock Qrevo Edge S5A on AmazonWhy we would choose it
We would compare this when your hard-floor area makes wet-cleaning automation useful and you have an accessible place for the dock. For a mostly carpeted home, first decide whether the mop system adds enough value.
What the manufacturer documents
Roborock identifies this exact S5A and its multifunctional dock. The linked product documentation establishes configuration; it does not prove a pickup, obstacle-avoidance or reliability advantage over Roomba.

02 / For a vacuum-first routine
iRobot Roomba j9+
Vacuum-only j9+ · Clean Base included
A vacuum-only alternative if you want a bagged emptying base and plan to mop separately.
- Dual rubber main brushes
- Clean Base bagged dust disposal
- Manufacturer-described object recognition
The trade-off: It has no mopping system. Object recognition is not a guarantee against every cable, pet accident or floor obstruction.
View iRobot Roomba j9+ on AmazonWhy we would choose it
We would compare this if you deliberately want to skip wet-cleaning hardware. Check the delivered price against other vacuum-only systems; the Roomba name alone does not establish value or superior pet-hair pickup.
What the manufacturer documents
iRobot lists the vacuum, Clean Base and dirt-disposal bag in the package, and describes the dual rubber brushes. Its performance and pet-obstacle language is manufacturer marketing, not our independent test result.
When we would choose each system
For a large area of mop-safe hard flooring, start with the S5A if carrying water and cleaning dock parts is an acceptable trade for fewer manual mopping sessions. You are buying help with two jobs, so compare the dock workload as well as the robot.
For mostly carpet or a household that already uses a separate wet cleaner, start with vacuum-only models such as the j9+. Paying for mop automation makes less sense if it solves a chore you do not have. Neither choice here is a claim about measured carpet pickup.
Make the dock fit your routine
Before ordering, mark the proposed dock position and check the exact model’s installation clearances in its manual. Leave access to remove the bag or bin and any water tanks. An impressive dock is a poor fit if it blocks a doorway or makes routine servicing awkward.
Compare the ongoing supplies you will actually buy: compatible bags, filters and brushes, plus mop cloths and approved cleaning solution where applicable. Do not assume a photograph’s spare supplies are included or that one brand’s parts fit another model.
Check the suffix before trusting a review
The Qrevo Edge S5A is a distinct configuration. Roborock’s support comparison says it uses LDS and structured light, while the full Edge also has an RGB camera. The S5A also differs in threshold handling and other features. Read the exact S5A source rather than transferring full-Edge capabilities to this listing.
Likewise, Roomba j9+ and Roomba Combo j9+ are different products. The vacuum-only model linked here cannot be turned into the Combo by selecting a cleaning mode. If you want both jobs automated, compare an identified Roomba Combo model with an identified vacuum-and-mop competitor.
Do not turn a suction number into a cleaning verdict
A manufacturer’s pressure figure is not a controlled carpet-pickup comparison. Brushes, floor type, navigation and cleaning passes all influence the result. We omit cross-brand suction equivalents and do not declare a pet-hair winner from the specifications.
For an obstacle-heavy room, look for an independent test of the exact model with objects similar to yours. Until then, remove troublesome cords and small items before the first runs. Treat marketing about pet waste as a claim with specific terms, not permission to leave an accident on the floor.
Before buying
Is Roborock always better at mopping?
No brand-wide conclusion follows from this pair. The S5A mops and the selected j9+ does not; that is a configuration difference. A comparison with a Roomba Combo needs its own exact-model evidence.
Which is better for pet hair?
We cannot name a measured winner from the sources used here. Compare independently tested pickup and brush maintenance on the exact models, then consider your carpet and pet-hair mix.
Are the docks maintenance-free?
No. Automatic emptying and mop care shift chores to the dock. Inspect consumables, tanks, brushes, sensors and dock parts according to the model’s manual.
Are these the newest or cheapest options?
No such claim is made. These are identifiable examples with direct listings. Compare current models, included accessories, condition, warranty terms and delivered total before deciding.
Source trail
Reviewed October 11, 2026. Manufacturer pages support the configuration differences, and the Amazon titles were checked for the selected S5A and vacuum-only j9+. Roborock’s model-differences support article is linked below. This is a feature-and-ownership comparison, not an independent cleaning test. We have not measured pickup, mopping effectiveness, noise, obstacle avoidance or long-term reliability. There is no universal brand winner.
Roborock: Edge S5A vs full Edge differences ↗ (opens in a new tab)
Manufacturer and independent-review links appear beside each model. These are researched recommendations; we have not personally tested these products. Product images may contain brand marketing and awards, which are not our findings. These are two identified model examples, not a ranking of every current Roborock or Roomba. We omit unverified prices, star ratings and delivery promises. How we research · Amazon listing checklist