Walker S vs XPeng IRON (Gen 2)
Compare Walker S (UBTECH Robotics) and XPeng IRON (Gen 2) (Xpeng) side by side: degrees of freedom, weight, payload, battery life, actuators, and status.
| Spec | Walker S | XPeng IRON (Gen 2) |
|---|---|---|
| Manufacturer | UBTECH Robotics | Xpeng |
| Category | Humanoid | Humanoid |
| Country | China | China |
| Degrees of freedom | 41 | 40 |
| Weight (kg) | 70 | 70 |
| Battery life (h) | 4 | 4 |
| Payload | 10 kg | 15 kg |
| Max speed | 1.5 m/s | 1.8 m/s |
| Actuators | High-Torque Brushless Servo Motors | Bionic Electromechanical Actuators |
| Primary sensor | 3D LiDAR + RGB-D Camera + IMU | Multi-Camera Vision + IMU + Tactile |
| Function | Home assistance | Assembly & manufacturing |
| Released | 2024 | 2025 |
| Status | Testing | Testing |
Verdict
XPeng IRON (Gen 2) leads on 2 of the 3 weighted dimensions both makers disclose.
Walker S leads on degrees of freedom (41 vs 40).
XPeng IRON (Gen 2) leads on payload (15 kg vs 10 kg) and max speed (1.8 m/s vs 1.5 m/s).
Left out because at least one manufacturer does not publish a figure: price.
Walker S
A full-size service humanoid designed for home and commercial environments. Walker S performs household tasks, serves as a receptionist, and interacts with humans through speech and gesture, showcasing UBTECH's latest bipedal locomotion and manipulation.
XPeng IRON (Gen 2)
Highly anthropomorphic humanoid with bionic spine and skin, powered by XPeng's Turing AI chips and VLA brain stack. Mass production targeted for 2026.