U1 vs Walker S2
Humanoid robot spec comparison — UBTECH vs UBTECH.
UBTECH
U1
79 / 100 Robo2u Score
Full-size ultra-realistic companionship humanoid from UBTech with a lifelike appearance
| Spec | U1 | Walker S2 |
|---|---|---|
| Released | 2026-06 | 2025-07 |
| Status | Pre-order | Deployed |
| Height | — | 176 cm |
| Payload | — | 15 kg |
| Degrees of freedom | 88 | 52 |
| Runtime | — | 120 min |
| Top speed | — | 2 m/s |
| Price | $17.6k | — |
| Robo2u Score | 79 | 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.
