GR-3 vs Walker S2
Humanoid robot spec comparison — Fourier Intelligence vs UBTECH.
Fourier Intelligence
GR-3
54 / 100 Robo2u Score
Care-focused companion humanoid with cushioned surfaces and…
| Spec | GR-3 | Walker S2 |
|---|---|---|
| Released | 2025-08 | 2025-07 |
| Status | Production | Deployed |
| Height | 165 cm | 176 cm |
| Payload | 3 kg | 15 kg |
| Degrees of freedom | 55 | 52 |
| Runtime | 180 min | 120 min |
| Top speed | — | 2 m/s |
| Price | — | — |
| Robo2u Score | 54 | 59 |
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.
