Vacuum 40 vs Yijiahe J20
Side-by-side comparison of Vacuum 40 (Gausium) and Yijiahe J20 (Yijiahe Technology Co., Ltd.) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Healthcare & Hospitals buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- Vacuum 40China
- Yijiahe J20China
Year First Available
- Vacuum 402019
- Yijiahe J202011
Verified Deployments
- Vacuum 400 Deployments
- Yijiahe J200 Deployments
Layer 2: Operational
Availability Status
- Vacuum 40ACTIVE
- Yijiahe J20ACTIVE
Layer 3: Category Specific
Max Speed
- Vacuum 40—
- Yijiahe J20333 m/s
| Layer 1: Identity & Trust | ||
| Manufacturer Country | China | China |
| Year First Available (values differ) | 2019 | 2011 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Max Speed (values differ) | — | 333 m/s |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price, Battery / Shift Runtime, Payload Capacity, Reach, 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 | Vacuum 40 | Yijiahe J20 |
|---|---|---|
| Investment | No price | No price |
| Payback period | — | — |
| Net savings (5 yr) | — | — |
| ROI (5 yr) | — | — |
Vacuum 40, Yijiahe J20 have no listed price, so payback can't be computed. Contact the manufacturer for a quote.
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 Vacuum 40 and Yijiahe J20?
Vacuum 40 is made by Gausium, based in CN. Yijiahe J20 is made by Yijiahe Technology Co., Ltd., based in CN.
When were Vacuum 40 and Yijiahe J20 launched?
Vacuum 40 launched in 2019. Yijiahe J20 launched in 2011.
How do Vacuum 40 and Yijiahe J20 compare on the Robo Index?
Vacuum 40 grades A on the Robo Index. Yijiahe J20 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 Vacuum 40 and Yijiahe J20 in the same category?
Both robots are classified as Cleaning on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Cleaning robots?
Hardware cost is one input. Cleaning TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Cleaning robot TCO: hardware, consumables, and human-in-the-loop time.
What should a buyer ask vendors when choosing between Vacuum 40 and Yijiahe J20?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Cleaning robot vendor evaluation: SLAs, fleet management, and reporting.
Going deeper — picking the right robot
Cleaning robot TCO: hardware, consumables, and human-in-the-loop time
8 min readCleaning Robots
Cleaning robot vendor evaluation: SLAs, fleet management, and reporting
10 min readCleaning Robots
Operator training: the line item most facilities skip
9 min readCleaning Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
Want to be notified when specs or pricing change for these robots? Drop your email.
Other comparisons
About this comparison
Vacuum 40 vs Yijiahe J20 compares two robots in the 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.