RankedBoston Dynamics Spot vs Unitree B2-W
Key facts
Boston Dynamics Spot (Boston Dynamics; Shipping) and Unitree B2-W (Unitree Robotics; Shipping) are both quadruped robot (robot dog)s. Published figures: weight 33.8 kg (75 lb) vs 85 kg (187 lb); speed 1.6 m/s (5.8 km/h · 3.6 mph) vs 4.17 m/s (15 km/h · 9.3 mph); payload 14 kg (31 lb) vs 40 kg (88 lb). Published for only one of them: runtime (Boston Dynamics Spot: 90 min); degrees of freedom (Boston Dynamics Spot: 12). Only Unitree B2-W has a public price: US$100,000, Official store (global) (official price). RankedRobot rank among quadruped robots (robot dogs): Boston Dynamics Spot #6 of 13 (score 53.6, grade A), Unitree B2-W #2 of 13 (score 62.4, grade C). Disclosure: Boston Dynamics Spot has 20 sourced values (74% of tracked fields), Unitree B2-W has 17 (65%).
Cite: RankedRobot, https://rankedrobot.com/compare/boston-dynamics-spot-vs-unitree-b2-w/ (checked 2026-09-29) · Every figure below links to its source · Boston Dynamics Spot spec sheet · Unitree B2-W spec sheet
| Spec | Boston Dynamics Spot | Unitree B2-W |
|---|---|---|
| Status | Shipping | Shipping |
| Price | Not published | US$100,000, Official store (global) (official price) source |
| Rank in category | #6 of 13 · 53.6 · grade A | #2 of 13 · 62.4 · grade C |
| Launch | ||
| Announced | ||
| Status | ||
| Units deployed | 1,500ManufacturerSource: bostondynamics.com (2026-09-29)Conditions: robots in customer hands, as of 2026-09-29 page | Not tracked |
| Body | ||
| Dimensions | ||
| Weight | ||
| Form factor | ||
| IP rating | ||
| Mobility | ||
| Max speed | 1.6 m/s (5.8 km/h · 3.6 mph)ManufacturerSource: bostondynamics.com (2026-09-25)Conditions: sustained speed as stated | 4.17 m/s (15 km/h · 9.3 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained speed as stated (wheeled mode) |
| Stairs | Stairs of 20-25cm continuous; 40cm forward obstacle; climb angle >45 degManufacturerSource: unitree.com (2026-09-25) | |
| Joints & payload | ||
| Degrees of freedom | ||
| Payload | 14 kg (31 lb)ManufacturerSource: bostondynamics.com (2026-09-25)Conditions: mounted payload while walking, as stated | |
| Peak load | Not tracked | |
| Compute & AI | ||
| Processor | Intel Core i5 (standard) / i7 (dev) or NVIDIA Jetson Orin NX (configurable)ManufacturerSource: unitree.com (2026-09-25) | |
| AI performance | ||
| Teleoperation | ||
| Sensors | ||
| Cameras | 360-degree terrain-sensing cameras, 4m sensing rangeManufacturerSource: bostondynamics.com (2026-09-25) | |
| LiDAR | ||
| Power | ||
| Battery | ||
| Runtime | 90 minManufacturerSource: bostondynamics.com (2026-09-25)Conditions: average runtime as stated; standby time 180 min | |
| Charge time | Not tracked | |
| Hot-swappable battery | ||
| Software | ||
| SDK | Unitree SDK2 (unitree_sdk2, C++/Python) with ROS2 support (unitree_ros2)ManufacturerSource: support.unitree.com (2026-09-25) | |
| Safety | ||
| Certifications | 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 Boston Dynamics Spot and the Unitree B2-W?
Published figures: weight 33.8 kg (75 lb) vs 85 kg (187 lb); speed 1.6 m/s (5.8 km/h · 3.6 mph) vs 4.17 m/s (15 km/h · 9.3 mph); payload 14 kg (31 lb) vs 40 kg (88 lb). Published for only one of them: runtime (Boston Dynamics Spot: 90 min); degrees of freedom (Boston Dynamics Spot: 12).
Which is cheaper, the Boston Dynamics Spot or the Unitree B2-W?
Only Unitree B2-W has a public price: US$100,000, Official store (global) (official price). Prices are shown exactly as published, never converted or estimated.
Which ranks higher, the Boston Dynamics Spot or the Unitree B2-W?
RankedRobot rank among quadruped robots (robot dogs): Boston Dynamics Spot #6 of 13 (score 53.6, grade A), Unitree B2-W #2 of 13 (score 62.4, grade C). Method: https://rankedrobot.com/robot500/#method
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- Unitree B2 vs Unitree B2-W
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