RB-Y1 vs Walker S1
Humanoid robot spec comparison — Rainbow Robotics vs UBTECH Robotics.
Rainbow Robotics
RB-Y1
48 / 100 Robo2u Score
Wheeled dual-arm humanoid manipulator for AI research labs
UBTECH Robotics
Walker S1
54 / 100 Robo2u Score
Industrial humanoid working on automotive assembly lines
| Spec | RB-Y1 | Walker S1 |
|---|---|---|
| Released | 2024-05 | 2024-10 |
| Status | Production | Deployed |
| Height | 140 cm | 172 cm |
| Payload | 6 kg | 15 kg |
| Degrees of freedom | 24 | 41 |
| Runtime | 180 min | 120 min |
| Top speed | 1.5 m/s | 0.83 m/s |
| Price | $80k | — |
| Robo2u Score | 48 | 54 |
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.
