Atlas (Electric Humanoid) vs Walker S2
Compare Atlas (Electric Humanoid) (Boston Dynamics) and Walker S2 (UBTECH Robotics) side by side: degrees of freedom, weight, payload, battery life, actuators, and status.
| Spec | Atlas (Electric Humanoid) | Walker S2 |
|---|---|---|
| Manufacturer | Boston Dynamics | UBTECH Robotics |
| Category | Humanoid | Humanoid |
| Country | United States | China |
| Degrees of freedom | 56 | 52 |
| Weight (kg) | 90 | 70 |
| Battery life (h) | 4 | 2.5 |
| Payload | 50 kg instantaneous, 30 kg sustained | 15 kg |
| Max speed | 2.0 m/s | |
| Actuators | Electric actuators | |
| Primary sensor | 360° camera view; tactile fingers and palm | |
| Function | Material handling | Assembly & manufacturing |
| Released | 2024 | 2025 |
| Status | Active | Active |
Verdict
Atlas (Electric Humanoid) leads on 3 of the 3 weighted dimensions both makers disclose.
Atlas (Electric Humanoid) leads on degrees of freedom (56 vs 52), payload (50 kg instantaneous, 30 kg sustained vs 15 kg) and battery life (4 h vs 2.5 h).
Left out because at least one manufacturer does not publish a figure: price and max speed.
Atlas (Electric Humanoid)
Boston Dynamics' fully electric production humanoid, unveiled Jan 5, 2026. Built for industrial material handling, with autonomous battery swapping and a 360° camera view. The company has not published a price or a top speed.
Walker S2
Walker S2, from UBTECH Robotics. No maker specification sheet is on file, so no dimensions, price or performance figures are listed.