Robonaut 2 vs UBTECH Walker S2
Side-by-side comparison of Robonaut 2 (NASA) and UBTECH Walker S2 (UBTECH Robotics Corp Ltd.) — specs, pricing, Robolist Trust Score, 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
Robonaut 2—
UBTECH Walker S2CN
Year First Available
- Robonaut 22011
- UBTECH Walker S22025
Verified Deployments
- Robonaut 20 Deployments
- UBTECH Walker S20 Deployments
Layer 2: Operational
Price Range (USD)
- Robonaut 2$2,500,000
- UBTECH Walker S2$179,994
Battery / Shift Runtime
- Robonaut 220 hrs
- UBTECH Walker S22.5 hrs
Availability Status
- Robonaut 2ACTIVE
- UBTECH Walker S2ACTIVE
Physical Form Factor
Height
- Robonaut 21000 mm
- UBTECH Walker S21760 mm
Weight
- Robonaut 2150 kg
- UBTECH Walker S243 kg
Mobility Type
- Robonaut 2bipedal
- UBTECH Walker S2—
Humanoid Subtype
- Robonaut 2full bipedal
- UBTECH Walker S2—
Walking Speed
- Robonaut 2—
- UBTECH Walker S22 m/s
Terrain
- Robonaut 2indoor
- UBTECH Walker S2both
Payload & Dexterity
Payload
- Robonaut 2100 kg
- UBTECH Walker S215 kg
Total DOF
- Robonaut 214
- UBTECH Walker S252
Arm DOF
- Robonaut 27
- UBTECH Walker S226
Hand DOF
- Robonaut 212
- UBTECH Walker S211
Compute & AI
Onboard Compute
- Robonaut 2NASA developed process
- UBTECH Walker S2BrainNet 2.0
Programming
- Robonaut 2code_ros, teleoperation
- UBTECH Walker S2code_python
Battery & Power
Runtime
- Robonaut 220 hrs
- UBTECH Walker S22.5 hrs
Software
SDK Languages
- Robonaut 2code_ros, teleoperation
- UBTECH Walker S2code_python
Reliability
IP Rating
- Robonaut 2IP65
- UBTECH Walker S2—
Deployment Maturity
- Robonaut 2production pilot
- UBTECH Walker S2—
Commercial
Price (USD)
- Robonaut 2$2,500,000
- UBTECH Walker S2$179,994
Price Tier
- Robonaut 2150K+
- UBTECH Walker S2150K+
Pricing Model
- Robonaut 2purchase
- UBTECH Walker S2purchase
Applications
- Robonaut 2teleoperation, research
- UBTECH Walker S2automotive, warehousing, logistics
| Robonaut 2humanoidNASA 55.8Trust Score | UBTECH Walker S2humanoidUBTECH Robotics Corp Ltd. 63.5Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | — | CN |
| Year First Available (values differ) | 2011 | 2025 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $2,500,000 | $179,994 |
| Battery / Shift Runtime (values differ) | 20 hrs | 2.5 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 1000 mm | 1760 mm |
| Weight (values differ) | 150 kg | 43 kg |
| Mobility Type (values differ) | bipedal | — |
| Humanoid Subtype (values differ) | full bipedal | — |
| Walking Speed (values differ) | — | 2 m/s |
| Terrain (values differ) | indoor | both |
| Payload & Dexterity | ||
| Payload (values differ) | 100 kg | 15 kg |
| Total DOF (values differ) | 14 | 52 |
| Arm DOF (values differ) | 7 | 26 |
| Hand DOF (values differ) | 12 | 11 |
| Compute & AI | ||
| Onboard Compute (values differ) | NASA developed process | BrainNet 2.0 |
| Programming (values differ) | code_ros, teleoperation | code_python |
| Battery & Power | ||
| Runtime (values differ) | 20 hrs | 2.5 hrs |
| Software | ||
| SDK Languages (values differ) | code_ros, teleoperation | code_python |
| Reliability | ||
| IP Rating (priority for Healthcare & Hospitals buyers) (values differ) | IP65 | — |
| Deployment Maturity (values differ) | production pilot | — |
| Commercial | ||
| Price (USD) (values differ) | $2,500,000 | $179,994 |
| Price Tier | 150K+ | 150K+ |
| Pricing Model | purchase | purchase |
| Applications (values differ) | teleoperation, research | automotive, warehousing, logistics |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Running Capable, Stair Climbing, Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Bimanual Coordination, Tool Use, Compute Platform, VLM Capable, Foundation Models, Imitation Learning, Teleoperation, Battery Capacity, Charging Time, Charging Method, Battery Swap, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Human Detection Method, Safe Speed Near Humans, ROS Support, Simulation Platforms, Open API, Air-Gap Capable, MTBF, Task Success Rate, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time, Warranty, Production Pilots
About this comparison
Robonaut 2 vs UBTECH Walker S2 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.