Fourier GR-3 vs UBTECH Walker S2
Fourier against UBTECH Robotics, 7 specifications published by both.
Key differences
- Fourier GR-3 is heavier (71 kg vs 70 kg for UBTECH Walker S2).
- UBTECH Walker S2 is faster (7.2 km/h vs 6.1 km/h for Fourier GR-3).
- UBTECH Walker S2 carries more (15 kg vs 3 kg for Fourier GR-3).
- UBTECH Walker S2 is taller (1.76 m vs 1.65 m for Fourier GR-3).
- Fourier GR-3 has more degrees of freedom (55 vs 52 for UBTECH Walker S2).
- UBTECH Walker S2 has more dexterous hands (11 vs 6 for Fourier GR-3).
Side by side
| Spec | Fourier GR-3 | UBTECH Walker S2 |
|---|---|---|
| Status | Prototype support-old.fftai.com | Commercially available autonews.gasgoo.com |
| Price | — | — |
| Mass | 71 kg | 70 kg Official specification panel; third-party sites list 43, 71.5, 73 or 95 kg without sources |
| Top speed | 6.1 km/h Walking speed | 7.2 km/h (better) Walking speed, converted from 2 m/s |
| Payload | 3 kg Single hand load capacity | 15 kg (better) |
| Height | 1.65 m | 1.76 m Official specification panel shown on the UBTECH product page |
| Degrees of freedom | 55 (better) Up to 55, depending on hand option | 52 |
| Hand DoF (per hand) | 6 Standard hand; optional 12-DoF dexterous hand | 11 (better) Gen-4 industrial dexterous hand; single-hand grasp 7.5 kg |
| Swappable battery | Yes | Yes Swaps its own battery autonomously within 3 minutes |
| Runtime per charge | 3 h | — |
| Dimensions (L × W × H) | — | — |
| Reach | — | — |
| Ingress protection | — | — |
Bold = better where higher or lower is clearly better · “—” = not published