RankedUBTECH Walker S2 vs Unitree R1
Key facts
UBTECH Walker S2 (UBTECH Robotics; Shipping) and Unitree R1 (Unitree Robotics; Shipping) are both humanoid robots. Published for only one of them: height (Unitree R1: 1.23 m (4 ft 0 in)); weight (Unitree R1: 27 kg (60 lb)); degrees of freedom (Unitree R1: 20); payload (UBTECH Walker S2: 15 kg (33 lb)); runtime (Unitree R1: 60 min). Only Unitree R1 has a public price: US$4,900 (R1 Air), US/global store (official price). Robot 500: UBTECH Walker S2 not ranked (fewer than 2 sourced capability figures), Unitree R1 #35 (score 63.2). Disclosure: UBTECH Walker S2 has 9 sourced values (33% of tracked fields), Unitree R1 has 23 (51%).
Cite: RankedRobot, https://rankedrobot.com/compare/ubtech-walker-s2-vs-unitree-r1/ (checked 2026-09-24) · Every figure below links to its source · UBTECH Walker S2 spec sheet · Unitree R1 spec sheet
| Spec | UBTECH Walker S2 | Unitree R1 |
|---|---|---|
| Status | Shipping | Shipping |
| Price | Not published | US$4,900 (R1 Air), US/global store (official price) source US$5,900 (R1), US/global store (official price) source |
| Robot 500 | Not ranked | #35 · 63.2 |
| Launch | ||
| Announced | ||
| Status | ||
| Units deployed | ||
| Body | ||
| Height | ||
| Weight | ||
| Form factor | ||
| IP rating | ||
| Mobility | ||
| Max walking speed | ||
| Dexterity | ||
| Total degrees of freedom | ||
| DOF per hand | ||
| Payload | ||
| Carry payload | 15 kg (33 lb)ManufacturerSource: ubtrobot.com (2026-09-23)Conditions: within a 0-1.8 m vertical workspace, per official product page | |
| Per-arm payload | ||
| Compute & AI | ||
| Processor | ||
| AI performance | ||
| AI stack | Not tracked | |
| Teleoperation | ||
| Sensors | ||
| Cameras | Self-developed passive binocular (dual-camera) stereo RGB vision system with deep-learning stereo depth estimationManufacturerSource: ubtrobot.com (2026-09-23) | |
| Depth sensing | Not tracked | |
| LiDAR | Not tracked | |
| IMU | Not tracked | |
| Microphones | Not tracked | |
| Force/torque | Not tracked | |
| Power | ||
| Battery | ||
| Runtime | ||
| Charge time | ||
| Hot-swappable battery | ||
| Software | ||
| SDK | ||
| ROS support | Not tracked | |
| Open source | Not tracked | |
| App ecosystem | Not tracked | |
| Safety | ||
| Certifications | ||
| Collaborative operation | Not tracked | |
| Commercial | ||
| Regions sold | ||
Confidence labels: Manufacturer = stated by the maker · Verified = independently confirmed · Reported = credible media or retailer, not confirmed by the maker · ⚠ Unconfirmed = leak or single source · Not disclosed = not published. We never estimate missing figures. Add more robots to this comparison.
Quick answers
What is the difference between the UBTECH Walker S2 and the Unitree R1?
Published for only one of them: height (Unitree R1: 1.23 m (4 ft 0 in)); weight (Unitree R1: 27 kg (60 lb)); degrees of freedom (Unitree R1: 20); payload (UBTECH Walker S2: 15 kg (33 lb)); runtime (Unitree R1: 60 min). Only Unitree R1 has a public price: US$4,900 (R1 Air), US/global store (official price).
Which is cheaper, the UBTECH Walker S2 or the Unitree R1?
Only Unitree R1 has a public price: US$4,900 (R1 Air), US/global store (official price). Prices are shown exactly as published, never converted or estimated.
Which ranks higher in the Robot 500, the UBTECH Walker S2 or the Unitree R1?
Robot 500: UBTECH Walker S2 not ranked (fewer than 2 sourced capability figures), Unitree R1 #35 (score 63.2). Method: https://rankedrobot.com/robot500/#method
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