H2 vs Walker S1
Humanoid robot spec comparison — Unitree vs UBTECH.
Unitree
H2
69 / 100 Robo2u Score
Base 180 cm full-size humanoid with 31 DOF and 360 N·m joints, sold below the Thor-equipped H2 Plus
| Spec | H2 | Walker S1 |
|---|---|---|
| Released | 2025-10 | 2024-10 |
| Status | Production | Deployed |
| Height | 180 cm | 172 cm |
| Payload | — | 15 kg |
| Degrees of freedom | 31 | 41 |
| Runtime | — | 120 min |
| Top speed | — | 0.83 m/s |
| Price | $29.9k | — |
| Robo2u Score | 69 | 71 |
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.
