EMIEW3 vs KEENON S100
Side-by-side comparison of EMIEW3 (Hitachi) and KEENON S100 (Shanghai Keenon Robotics 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
- EMIEW3Japan
- KEENON S100China
Year First Available
- EMIEW32016
- KEENON S100—
Verified Deployments
- EMIEW30 Deployments
- KEENON S1000 Deployments
Layer 2: Operational
Price
- EMIEW3Contact for quote
- KEENON S100$19,600 USD
Battery / Shift Runtime
- EMIEW33 hrs
- KEENON S1008 hrs
Availability Status
- EMIEW3ACTIVE
- KEENON S100ACTIVE
Physical
Payload
- EMIEW315 kg
- KEENON S10099.8 kg
Robot Weight
- EMIEW315 kg
- KEENON S10087.5 kg
Tray Count
- EMIEW3—
- KEENON S1002
Compartment Type
- EMIEW3—
- KEENON S100closed drawer
Navigation & Safety
Navigation Type
- EMIEW3slam natural
- KEENON S100slam
Power
Battery Runtime
- EMIEW33 hrs
- KEENON S1008 hrs
Charge Time
- EMIEW3—
- KEENON S1002.5 hrs
Display & UX
Display Size
- EMIEW3—
- KEENON S10010.1 "
Commercial
Price (USD)
- EMIEW3Contact for quote
- KEENON S100$19,600 USD
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Japan | China |
| Year First Available (values differ) | 2016 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | Contact for quote | $19,600 USD |
| Battery / Shift Runtime (values differ) | 3 hrs | 8 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical | ||
| Payload (values differ) | 15 kg | 99.8 kg |
| Robot Weight (values differ) | 15 kg | 87.5 kg |
| Tray Count (values differ) | — | 2 |
| Compartment Type (values differ) | — | closed drawer |
| Navigation & Safety | ||
| Navigation Type (values differ) | slam natural | slam |
| Power | ||
| Battery Runtime (values differ) | 3 hrs | 8 hrs |
| Charge Time (values differ) | — | 2.5 hrs |
| Display & UX | ||
| Display Size (values differ) | — | 10.1 " |
| Commercial | ||
| Price (USD) (values differ) | Contact for quote | $19,600 USD |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Dimensions, IP Rating, Max Speed, Min Passable Width, Auto Docking, Hot-Swap Battery, Elevator API, PMS / POS Integration, Fleet Management, Floor Compatibility, Voice Interaction, Noise Level, Languages Supported, RaaS / Month, Warranty
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 | EMIEW3 | KEENON S100 |
|---|---|---|
| Investment | No price | $19,600 |
| Payback period | — | 4.7 mo |
| Net savings (5 yr) | — | $230,400 |
| ROI (5 yr) | — | +1176% |
EMIEW3 has 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 EMIEW3 and KEENON S100?
EMIEW3 is made by Hitachi, based in JP. KEENON S100 is made by Shanghai Keenon Robotics Co., Ltd., based in CN.
How do EMIEW3 and KEENON S100 compare on the Robo Index?
EMIEW3 grades A on the Robo Index. KEENON S100 grades AA. 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 EMIEW3 and KEENON S100 in the same category?
Both robots are classified as Hospitality Service on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Hospitality Service robots?
Hardware cost is one input. Hospitality Service TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Service Robot TCO Across Hotels, Restaurants, Retail, and Senior Care.
What should a buyer ask vendors when choosing between EMIEW3 and KEENON S100?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Service Robot SLAs and Contract Red Flags.
Going deeper — picking the right robot
Service Robot TCO Across Hotels, Restaurants, Retail, and Senior Care
9 min readService Robots
Service Robot SLAs and Contract Red Flags
10 min readService Robots
Service Robot Pilot: A 60-Day Evaluation Framework
10 min readService 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
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About this comparison
EMIEW3 vs KEENON S100 compares two robots in the hospitality-service 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.