M8 Slim 9cm Robot Vacuum vs Roomba® Plus 505 Combo robot + AutoWash™ dock
Side-by-side comparison of M8 Slim 9cm Robot Vacuum (Nanjing Zhengfeng Foreign Trade Services Co., Ltd.) and Roomba® Plus 505 Combo robot + AutoWash™ dock (iRobot Corporation (Amazon subsidiary)) — specs, pricing, Robo Score, and verified deployments. Updated daily.
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Optimized for Healthcare & Hospitals buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- M8 Slim 9cm Robot VacuumChina

- Roomba® Plus 505 Combo robot +…United States

Year First Available
- M8 Slim 9cm Robot Vacuum2026

- Roomba® Plus 505 Combo robot +…2023

Verified Deployments
- M8 Slim 9cm Robot Vacuum0 Deployments

- Roomba® Plus 505 Combo robot +…0 Deployments

Layer 2: Operational
Price
- M8 Slim 9cm Robot Vacuum$172 USD

- Roomba® Plus 505 Combo robot +…$600 USD

Battery / Shift Runtime
- M8 Slim 9cm Robot Vacuum2.5 hrs

- Roomba® Plus 505 Combo robot +…1.5 hrs

Availability Status
- M8 Slim 9cm Robot VacuumACTIVE

- Roomba® Plus 505 Combo robot +…ACTIVE

Layer 3: Category Specific
![]() M8 Slim 9cm Robot Vacuumhome-cleaningNanjing Zhengfeng Foreign Trade Services Co., Ltd. 66.0Robo Score | ![]() | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United States |
| Year First Available (values differ) | 2026 | 2023 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $172 USD | $600 USD |
| Battery / Shift Runtime (values differ) | 2.5 hrs | 1.5 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Payload Capacity, Reach, Max Speed, IP Rating, Autonomy Level
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | M8 Slim 9cm Robot Vacuum | Roomba® Plus 505 Combo robot +… |
|---|---|---|
| Investment | $172 | $600 |
| Payback period | < 1 mo | < 1 mo |
| Net savings (5 yr) | $249,828 | $249,400 |
| ROI (5 yr) | +145249% | +41567% |
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Trade-offs at a glance
Frequently asked
Who makes M8 Slim 9cm Robot Vacuum and Roomba® Plus 505 Combo robot + AutoWash™ dock?
M8 Slim 9cm Robot Vacuum is made by Nanjing Zhengfeng Foreign Trade Services Co., Ltd., based in CN. Roomba® Plus 505 Combo robot + AutoWash™ dock is made by iRobot Corporation (Amazon subsidiary), based in US.
When were M8 Slim 9cm Robot Vacuum and Roomba® Plus 505 Combo robot + AutoWash™ dock launched?
M8 Slim 9cm Robot Vacuum launched in 2026. Roomba® Plus 505 Combo robot + AutoWash™ dock launched in 2023.
How much does M8 Slim 9cm Robot Vacuum cost compared to Roomba® Plus 505 Combo robot + AutoWash™ dock?
M8 Slim 9cm Robot Vacuum is listed at $172. Roomba® Plus 505 Combo robot + AutoWash™ dock is listed at $600.
How do M8 Slim 9cm Robot Vacuum and Roomba® Plus 505 Combo robot + AutoWash™ dock compare on the Robo Score?
M8 Slim 9cm Robot Vacuum scores 66.0 on the Robo Score. Roomba® Plus 505 Combo robot + AutoWash™ dock scores 55.5. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Are M8 Slim 9cm Robot Vacuum and Roomba® Plus 505 Combo robot + AutoWash™ dock in the same category?
Both robots are classified as Home Cleaning on Robolist. Filters and ranking treat them as direct alternatives.
What should a buyer ask vendors when choosing between M8 Slim 9cm Robot Vacuum and Roomba® Plus 505 Combo robot + AutoWash™ dock?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: The hidden specs vendors hope you'll miss.
Want to be notified when specs or pricing change for these robots? Drop your email.
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About this comparison
M8 Slim 9cm Robot Vacuum vs Roomba® Plus 505 Combo robot + AutoWash™ dock compares two robots in the home-cleaning category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Score is calculated.