Agility Robotics Digit v4vsUBTECH Robotics UBTECH Walker X
Side-by-side comparison of Agility Robotics Digit v4 and UBTECH Robotics UBTECH Walker X: specs, price, use cases and SDKs.

Digit v4
Commercial bipedal humanoid for warehouse tote handling

UBTECH Walker X
Humanoid Service Robot. Walk into the Future.
Specifications
| Spec | Digit v4 | UBTECH Walker X |
|---|---|---|
| Price (USD) | $250,000 | $960,000 |
| Category | humanoid | humanoid |
| Payload | 16 kg | 10 kg |
| Runtime | 4 h | 2 h |
| Speed | 1.5 m/s | 0.8 m/s |
| Weight | 65 kg | 63 kg |
| Degrees of Freedom | 20 | 41 |
| Battery | LiPo, hot-swap | Lithium iron phosphate, removable |
- Warehouse tote handling
- Truck unloading
- Bulk pack to conveyor
- Recycling sortation
- AI research
- Smart services
- Human-robot interaction
- Home services
- Commercial office services
- Industrial manufacturing
- Warehousing and logistics
- Colleges and Research Institutions
- Interactive exhibitions
When to pick which
Choose the Agility Robotics Digit v4 for high-throughput logistics and warehouse automation where operational efficiency and cost-effectiveness are the primary drivers. It is the superior choice for large-scale deployments involving heavy lifting, such as moving 16kg totes or unloading trucks, due to its higher payload capacity and 1.5 m/s travel speed. At roughly a quarter of the price of the Walker X, Digit offers a more viable ROI for industrial fleets. The four-hour runtime and hot-swappable battery system ensure continuous operation in multi-shift environments, making it more practical for repetitive, physically demanding industrial tasks than research-oriented models.
Select the UBTECH Walker X for advanced AI research, academic institutions, or high-end commercial service environments where complex human-like interaction is required. With 41 degrees of freedom—more than double that of the Digit v4—the Walker X is better suited for tasks requiring intricate manipulation and expressive gestures in exhibition or hospitality settings. While its payload and runtime are lower, its sophisticated sensor suite and Walker Software SDK make it a premier platform for developing social robotics applications or testing humanoid mobility in unstructured office environments. Choose this model when dexterity and interaction take precedence over raw industrial throughput.
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