UBTECH Walker S1 vs Unitree G1 Edu Ultimate B (U4) Humanoid Robot Tactile Dexterity
Side-by-side comparison of UBTECH Walker S1 (UBTECH Robotics Corp Ltd.) and Unitree G1 Edu Ultimate B (U4) Humanoid Robot Tactile Dexterity (Unitree Robotics) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
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 UBTECH Walker S1humanoidUBTECH Robotics Corp Ltd.54.9Trust Score |  Unitree G1 Edu Ultimate B (U4) Humanoid Robot Tactile DexterityhumanoidUnitree Robotics51.5Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | CN | CN |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $75,000 | $67,900 |
| Battery / Shift Runtime (priority for Warehousing & Logistics buyers) | 2 hrs | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 172 mm | 132 mm |
| Weight (values differ) | 76 kg | — |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | 0.8 m/s | — |
| Running Capable (values differ) | dynamic walk | — |
| Terrain (values differ) | flat_indoor | indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 15 kg | 3 kg |
| Payload (Peak) (values differ) | — | 3 kg |
| Total DOF (values differ) | 41 | 43 |
| Arm DOF (values differ) | — | 7 |
| Arm Reach (values differ) | — | 45 cm |
| Bimanual Coordination | full bimanual | full bimanual |
| Tool Use (values differ) | production validated | — |
| Compute & AI | ||
| Onboard Compute (values differ) | — | 100 TOPS |
| Compute Platform (values differ) | — | NVIDIA Jetson Orin |
| VLM Capable (values differ) | onboard small | — |
| Foundation Models (values differ) | RT-X | UnifoLM |
| Imitation Learning | multi task | multi task |
| Programming (values differ) | ROS 2.0 | — |
| Battery & Power | ||
| Runtime | 2 hrs | 2 hrs |
| Charging Method (values differ) | — | manual swap |
| Battery Swap (values differ) | — | Yes |
| 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) | Python, C++ | — |
| ROS Support (values differ) | ros2 vendor | — |
| Simulation Platforms (values differ) | NVIDIA Isaac Sim | — |
| Open API (values differ) | open rest | Yes |
| Air-Gap Capable (values differ) | Yes | — |
| Reliability | ||
| Deployment Maturity (values differ) | production pilot | — |
| Commercial | ||
| Price (USD) (values differ) | $75,000 | $67,900 |
| Price Tier (values differ) | 40-80K | 80-150K |
| Pricing Model | purchase | purchase |
| Delivery Lead Time (values differ) | 2 mo | — |
| Production Pilots (values differ) | BMW Spartanburg, Mercedes-Benz | — |
| Applications (values differ) | service, entertainment, education | research, AI_development, STEM_education |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Year First Available, Stair Climbing, Hand DOF, Grip Strength, Manipulation Repeatability, Teleoperation, Battery Capacity, Charging Time, Avg Power Consumption, Fall Detection Response, Emergency Stops, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Warranty
About this comparison
UBTECH Walker S1 vs Unitree G1 Edu Ultimate B (U4) Humanoid Robot Tactile Dexterity 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.