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 figures: height 1.76 m (5 ft 9 in) (reported) vs 1.23 m (4 ft 0 in); weight 70 kg (154 lb) (reported) vs 27 kg (60 lb); degrees of freedom 52 (reported) vs 20. Published for only one of them: hand DOF (UBTECH Walker S2: 11 (reported)); payload (UBTECH Walker S2: 15 kg (33 lb)); runtime (Unitree R1: 60 min); walking speed (UBTECH Walker S2: 2 m/s (7.2 km/h · 4.5 mph) (reported)). Price: UBTECH Walker S2 €242,000, EU (RobotShop, retailer) (reported price); Unitree R1 US$4,900 (R1 Air), US/global store (official price). RankedRobot rank among humanoid robots: UBTECH Walker S2 =11 of 29 humanoid robots (tied) (score 49.4, grade C), Unitree R1 =18 of 29 humanoid robots (tied) (score 45.4, grade C). Disclosure: UBTECH Walker S2 has 17 sourced values (59% of tracked fields), Unitree R1 has 23 (51%).
Cite: RankedRobot, https://rankedrobot.com/compare/ubtech-walker-s2-vs-unitree-r1/ (checked 2026-10-20) · 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 | €242,000, EU (RobotShop, retailer) (reported price) source | US$4,900 (R1 Air), US/global store (official price) source US$5,900 (R1), US/global store (official price) source |
| Rank in category | =11 of 29 humanoid robots (tied) · 49.4 · grade C | =18 of 29 humanoid robots (tied) · 45.4 · grade C |
| Launch | ||
| Announced | ||
| Status | ||
| Units deployed | ||
| Body | ||
| Height | ||
| Weight | ||
| Form factor | ||
| IP rating | ||
| Mobility | ||
| Max walking speed | 2 m/s (7.2 km/h · 4.5 mph)ReportedSource: 21jingji.com (2026-10-01)Conditions: walking; sustained vs peak not stated | |
| Dexterity | ||
| Total degrees of freedom | ||
| DOF per hand | ||
| Payload | ||
| Carry payload | 15 kg (33 lb)ManufacturerSource: ubtrobot.com (2026-10-12)Conditions: within a 0-1.8 m vertical workspace, per official product page | |
| Per-arm payload | 7.5 kg (17 lb)ReportedSource: funduinoshop.com (2026-10-09)Conditions: single-hand grasp; pose not stated | |
| 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 | ||
| 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 · Estimate = our calculation from official figures, method shown · Not disclosed = not published. We never guess missing figures. Add more robots to this comparison.
Quick answers
What is the difference between the UBTECH Walker S2 and the Unitree R1?
Published figures: height 1.76 m (5 ft 9 in) (reported) vs 1.23 m (4 ft 0 in); weight 70 kg (154 lb) (reported) vs 27 kg (60 lb); degrees of freedom 52 (reported) vs 20. Published for only one of them: hand DOF (UBTECH Walker S2: 11 (reported)); payload (UBTECH Walker S2: 15 kg (33 lb)); runtime (Unitree R1: 60 min); walking speed (UBTECH Walker S2: 2 m/s (7.2 km/h · 4.5 mph) (reported)).
Which is cheaper, the UBTECH Walker S2 or the Unitree R1?
Price: UBTECH Walker S2 €242,000, EU (RobotShop, retailer) (reported price); Unitree R1 US$4,900 (R1 Air), US/global store (official price). Prices are shown exactly as published, never converted or estimated.
Which ranks higher, the UBTECH Walker S2 or the Unitree R1?
RankedRobot rank among humanoid robots: UBTECH Walker S2 =11 of 29 humanoid robots (tied) (score 49.4, grade C), Unitree R1 =18 of 29 humanoid robots (tied) (score 45.4, grade C). Method: https://robot500.com/methodology/
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