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Apollo vs Walker S2
Apptronik
Apollo
A modular industrial humanoid backed by Mercedes-Benz and Google, built for warehouses and factories.
View profile →UBTech
Walker S2
UBTech's flagship industrial humanoid with a world-first autonomous hot-swap battery for 24/7 operation.
View profile →Specs that differ are highlighted; the stronger value is marked.
| Metric | Apollo | Walker S2 |
|---|---|---|
| Identity | ||
| Manufacturer | Apptronik | UBTech |
| Country | United States | China |
| First unveiled | 2023 | 2025 |
| Audiences | B2B | B2B |
| Physical | ||
| Height | — | 176 cm |
| Weight | — | 73 kg |
| DOF | — | 52 |
| Materials | aluminium, thermoplastic | — |
| Mobility | ||
| Locomotion | bipedal | bipedal |
| Walking speed | — | 2 m/s |
| Stairs | Yes | Yes |
| Outdoor | No | No |
| Power | ||
| Runtime | 240 min | — |
| Hot-swap | Yes | Yes |
| Compute & AI | ||
| Primary compute | NVIDIA Jetson AGX Orin / Orin NX | Intel Core i7-1185G7 |
| AI accelerator | NVIDIA Jetson (275+ TOPS) | NVIDIA Jetson AGX Orin (275 TOPS) |
| VLM | Yes | Yes |
| Manipulation | ||
| Payload | 25 kg | 15 kg |
| End effectors | dexterous hand | Gen-4 dexterous hand (11 DOF each) |
| Fingers/hand | — | 5 |
| Autonomy | ||
| Task planning | hybrid | llm-agent |
| Teleoperation | Yes | Yes |
| Voice | No | Yes |
| Availability | ||
| Stage | pilot | general-availability |
| Price (USD) | On request | On request |
| Leasing | Yes | — |