ARM vs HRP-4
Side-by-side comparison of ARM (RE2) and HRP-4 (Kawada Industries) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
 ARMhumanoidRE213.3Trust Score |  HRP-4humanoidKawada Industries16.7Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Year First Available | 2010 | 2010 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | US$500,000 | US$300,000 |
| Battery / Shift Runtime (values differ) | 8 hrs | — |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 1640 mm | 151 mm |
| Weight (values differ) | 55 kg | 39 kg |
| Mobility Type (values differ) | — | bipedal |
| Humanoid Subtype (values differ) | — | research platform |
| Terrain (values differ) | both | indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 2.5 kg | 0.5 kg |
| Total DOF (values differ) | 8 | 34 |
| Arm DOF (values differ) | — | 7 |
| Hand DOF (values differ) | — | 2 |
| Compute & AI | ||
| Onboard Compute (values differ) | — | Linux kernel with RT-Preempt patch |
| Compute Platform (values differ) | — | Intel Pentium M (1.6 GHz) |
| Programming (values differ) | — | code_ros |
| Battery & Power | ||
| Runtime (values differ) | 8 hrs | — |
| Safety | ||
| Human Detection Method (values differ) | — | vision human |
| Software | ||
| SDK Languages (values differ) | — | code_ros |
| ROS Support (values differ) | — | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | — | prototype |
| Commercial | ||
| Price (USD) (values differ) | $500,000 | $300,000 |
| Price Tier (values differ) | — | 150K+ |
| Pricing Model (values differ) | — | purchase |
| Applications (values differ) | software-defined vehicles, functional safety for cars, automotive cybersecurity | research |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Manufacturer Country, Walking Speed, Running Capable, Stair Climbing, Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Bimanual Coordination, Tool Use, 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, Safe Speed Near Humans, Simulation Platforms, Open API, Air-Gap Capable, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time, Warranty, Production Pilots
About this comparison
ARM vs HRP-4 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.