Robonaut 1A vs UBTECH Walker S1
Side-by-side comparison of Robonaut 1A (NASA and DARPA) and UBTECH Walker S1 (UBTECH Robotics Corp Ltd.) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Agriculture buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
Robonaut 1AUS
UBTECH Walker S1CN
Year First Available
- Robonaut 1A2011
- UBTECH Walker S1—
Verified Deployments
- Robonaut 1A0 Deployments
- UBTECH Walker S10 Deployments
Layer 2: Operational
Price Range (USD)
- Robonaut 1A$150,000
- UBTECH Walker S1$75,000
Battery / Shift Runtime
- Robonaut 1A8 hrs
- UBTECH Walker S12 hrs
Availability Status
- Robonaut 1AACTIVE
- UBTECH Walker S1ACTIVE
Physical Form Factor
Height
- Robonaut 1A1880 mm
- UBTECH Walker S1172 mm
Weight
- Robonaut 1A60 kg
- UBTECH Walker S176 kg
Mobility Type
- Robonaut 1A—
- UBTECH Walker S1bipedal
Humanoid Subtype
- Robonaut 1A—
- UBTECH Walker S1full bipedal
Walking Speed
- Robonaut 1A1.2 m/s
- UBTECH Walker S10.8 m/s
Running Capable
- Robonaut 1A—
- UBTECH Walker S1dynamic walk
Terrain
- Robonaut 1Aindoor
- UBTECH Walker S1flat_indoor
Payload & Dexterity
Payload
- Robonaut 1A9.1 kg
- UBTECH Walker S115 kg
Total DOF
- Robonaut 1A14
- UBTECH Walker S141
Arm DOF
- Robonaut 1A7
- UBTECH Walker S1—
Hand DOF
- Robonaut 1A5
- UBTECH Walker S1—
Bimanual Coordination
- Robonaut 1A—
- UBTECH Walker S1full bimanual
Tool Use
- Robonaut 1A—
- UBTECH Walker S1production validated
Compute & AI
Onboard Compute
- Robonaut 1ANVIDIA Jetson Xavier
- UBTECH Walker S1—
VLM Capable
- Robonaut 1A—
- UBTECH Walker S1onboard small
Foundation Models
- Robonaut 1A—
- UBTECH Walker S1RT-X
Imitation Learning
- Robonaut 1A—
- UBTECH Walker S1multi task
Programming
- Robonaut 1Acode_python, code_ros, visual_block
- UBTECH Walker S1ROS 2.0
Battery & Power
Runtime
- Robonaut 1A8 hrs
- UBTECH Walker S12 hrs
Safety
Force-Limited Arms
- Robonaut 1A—
- UBTECH Walker S1Yes
Fall Recovery
- Robonaut 1A—
- UBTECH Walker S1Yes
Human Detection Method
- Robonaut 1A—
- UBTECH Walker S1multi modal
Safe Speed Near Humans
- Robonaut 1A—
- UBTECH Walker S1ssm_equivalent
Software
SDK Languages
- Robonaut 1Acode_python, code_ros, visual_block
- UBTECH Walker S1Python, C++
ROS Support
- Robonaut 1AYes
- UBTECH Walker S1ros2 vendor
Simulation Platforms
- Robonaut 1A—
- UBTECH Walker S1NVIDIA Isaac Sim
Open API
- Robonaut 1AYes
- UBTECH Walker S1open rest
Air-Gap Capable
- Robonaut 1A—
- UBTECH Walker S1Yes
Reliability
IP Rating
- Robonaut 1AIP54
- UBTECH Walker S1—
Deployment Maturity
- Robonaut 1A—
- UBTECH Walker S1production pilot
Commercial
Price (USD)
- Robonaut 1A$150,000
- UBTECH Walker S1$75,000
Price Tier
- Robonaut 1A150K+
- UBTECH Walker S140-80K
Pricing Model
- Robonaut 1Apurchase
- UBTECH Walker S1purchase
Delivery Lead Time
- Robonaut 1A—
- UBTECH Walker S12 mo
Warranty
- Robonaut 1A1 yrs
- UBTECH Walker S1—
Production Pilots
- Robonaut 1A—
- UBTECH Walker S1BMW Spartanburg, Mercedes-Benz
Applications
- Robonaut 1Aresearch, hazardous_env
- UBTECH Walker S1service, entertainment, education
| Robonaut 1AhumanoidNASA and DARPA 55.8Trust Score | UBTECH Walker S1humanoidUBTECH Robotics Corp Ltd. 54.9Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | US | CN |
| Year First Available (values differ) | 2011 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $150,000 | $75,000 |
| Battery / Shift Runtime (priority for Agriculture buyers) (values differ) | 8 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 1880 mm | 172 mm |
| Weight (values differ) | 60 kg | 76 kg |
| Mobility Type (values differ) | — | bipedal |
| Humanoid Subtype (values differ) | — | full bipedal |
| Walking Speed (values differ) | 1.2 m/s | 0.8 m/s |
| Running Capable (values differ) | — | dynamic walk |
| Terrain (values differ) | indoor | flat_indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 9.1 kg | 15 kg |
| Total DOF (values differ) | 14 | 41 |
| Arm DOF (values differ) | 7 | — |
| Hand DOF (values differ) | 5 | — |
| Bimanual Coordination (values differ) | — | full bimanual |
| Tool Use (values differ) | — | production validated |
| Compute & AI | ||
| Onboard Compute (values differ) | NVIDIA Jetson Xavier | — |
| VLM Capable (values differ) | — | onboard small |
| Foundation Models (values differ) | — | RT-X |
| Imitation Learning (values differ) | — | multi task |
| Programming (values differ) | code_python, code_ros, visual_block | ROS 2.0 |
| Battery & Power | ||
| Runtime (values differ) | 8 hrs | 2 hrs |
| Safety | ||
| Force-Limited Arms (values differ) | — | Yes |
| Fall Recovery (values differ) | — | Yes |
| Human Detection Method (values differ) | — | multi modal |
| Safe Speed Near Humans (values differ) | — | ssm_equivalent |
| Software | ||
| SDK Languages (values differ) | code_python, code_ros, visual_block | Python, C++ |
| ROS Support (values differ) | Yes | ros2 vendor |
| Simulation Platforms (values differ) | — | NVIDIA Isaac Sim |
| Open API (values differ) | Yes | open rest |
| Air-Gap Capable (values differ) | — | Yes |
| Reliability | ||
| IP Rating (priority for Agriculture buyers) (values differ) | IP54 | — |
| Deployment Maturity (values differ) | — | production pilot |
| Commercial | ||
| Price (USD) (values differ) | $150,000 | $75,000 |
| Price Tier (values differ) | 150K+ | 40-80K |
| Pricing Model | purchase | purchase |
| Delivery Lead Time (values differ) | — | 2 mo |
| Warranty (values differ) | 1 yrs | — |
| Production Pilots (values differ) | — | BMW Spartanburg, Mercedes-Benz |
| Applications (values differ) | research, hazardous_env | service, entertainment, education |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Stair Climbing, Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Compute Platform, Teleoperation, Battery Capacity, Charging Time, Charging Method, Battery Swap, Avg Power Consumption, Fall Detection Response, Emergency Stops, MTBF, Task Success Rate, Noise Level, RaaS / Month, Developer Unit Price
About this comparison
Robonaut 1A vs UBTECH Walker S1 compares two robots in the humanoid category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robolist Trust Score is calculated.