M8 Slim 9cm Robot Vacuum vs Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station
Side-by-side comparison of M8 Slim 9cm Robot Vacuum (Nanjing Zhengfeng Foreign Trade Services Co., Ltd.) and Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station (Seven Blue Technology Limited) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Manufacturing buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- M8 Slim 9cm Robot VacuumChina
- Ultra Robot Vacuum Cleaner with Auto…—
Year First Available
- M8 Slim 9cm Robot Vacuum2026
- Ultra Robot Vacuum Cleaner with Auto…—
Verified Deployments
- M8 Slim 9cm Robot Vacuum0 Deployments
- Ultra Robot Vacuum Cleaner with Auto…0 Deployments
Layer 2: Operational
Price
- M8 Slim 9cm Robot Vacuum$172 USD
- Ultra Robot Vacuum Cleaner with Auto…$142 USD
Battery / Shift Runtime
- M8 Slim 9cm Robot Vacuum2.5 hrs
- Ultra Robot Vacuum Cleaner with Auto…—
Availability Status
- M8 Slim 9cm Robot VacuumACTIVE
- Ultra Robot Vacuum Cleaner with Auto…ACTIVE
Layer 3: Category Specific
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | — |
| Year First Available (values differ) | 2026 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $172 USD | $142 USD |
| Battery / Shift Runtime (values differ) | 2.5 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 | Ultra Robot Vacuum Cleaner with Auto… |
|---|---|---|
| Investment | $172 | $142 |
| Payback period | < 1 mo | < 1 mo |
| Net savings (5 yr) | $249,828 | $249,858 |
| ROI (5 yr) | +145249% | +175956% |
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 Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station?
M8 Slim 9cm Robot Vacuum is made by Nanjing Zhengfeng Foreign Trade Services Co., Ltd., based in CN. Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station is made by Seven Blue Technology Limited.
How much does M8 Slim 9cm Robot Vacuum cost compared to Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station?
M8 Slim 9cm Robot Vacuum is listed at $172. Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station is listed at $142.
How do M8 Slim 9cm Robot Vacuum and Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station compare on the Robo Index?
M8 Slim 9cm Robot Vacuum grades AA on the Robo Index. Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station grades BBB. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Are M8 Slim 9cm Robot Vacuum and Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station 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 Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station?
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 Ultra Robot Vacuum Cleaner with Auto Mop & Self-Emptying Station 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 Index is calculated.