Sophia vs Walker S2
Humanoid robot spec comparison — Hanson Robotics vs UBTECH.
Hanson Robotics
Sophia
66 / 100 Robo2u Score
The world's most famous social android and first robot granted citizenship (Saudi Arabia)
| Spec | Sophia | Walker S2 |
|---|---|---|
| Released | 2016 | 2025-07 |
| Status | Production | Deployed |
| Height | 167 cm | 176 cm |
| Payload | — | 15 kg |
| Degrees of freedom | 74 | 52 |
| Runtime | — | 120 min |
| Top speed | — | 2 m/s |
| Price | — | — |
| Robo2u Score | 66 | 76 |
Highlighted = better on that spec (lower is better for price and weight; newer for release). The Robo2u Score is a transparent composite — see the Humanoid Showdown for the full field.
