RankedUnitree A2 vs Unitree Go2-W
Key facts
Unitree A2 (Unitree Robotics; Shipping) and Unitree Go2-W (Unitree Robotics; Shipping) are both quadruped robot (robot dog)s. Published figures: weight 42 kg (93 lb) vs 18 kg (40 lb); speed 3.7 m/s (13.3 km/h · 8.3 mph) vs 2.5 m/s (9 km/h · 5.6 mph); payload 25 kg (55 lb) vs 8 kg (18 lb); runtime 3 h–5 h vs 90 min–3 h; degrees of freedom 12 vs 16. Only Unitree A2 has a public price: US$100,000, Official store (global) (official price). Robot 500: Unitree A2 #9 (score 69.7), Unitree Go2-W #89 (score 55.4). Disclosure: Unitree A2 has 22 sourced values (81% of tracked fields), Unitree Go2-W has 19 (79%).
Cite: RankedRobot, https://rankedrobot.com/compare/unitree-a2-vs-unitree-go2-w/ (checked 2026-09-25) · Every figure below links to its source · Unitree A2 spec sheet · Unitree Go2-W spec sheet
| Spec | Unitree A2 | Unitree Go2-W |
|---|---|---|
| Status | Shipping | Shipping |
| Price | US$100,000, Official store (global) (official price) source | Not published |
| Robot 500 | #9 · 69.7 | #89 · 55.4 |
| Launch | ||
| Announced | ||
| Status | ||
| Body | ||
| Dimensions | ||
| Weight | ||
| Form factor | ||
| IP rating | ||
| Mobility | ||
| Max speed | 3.7 m/s (13.3 km/h · 8.3 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained speed as stated; page separately lists an up-to ~5 m/s figure | 2.5 m/s (9 km/h · 5.6 mph)ManufacturerSource: unitree.com (2026-09-25)Conditions: sustained speed as stated |
| Stairs | ||
| Joints & payload | ||
| Degrees of freedom | ||
| Payload | ||
| Peak load | Not tracked | |
| Compute & AI | ||
| Processor | ||
| AI performance | ||
| Teleoperation | ||
| Sensors | ||
| Cameras | ||
| LiDAR | ||
| Microphones | Not tracked | |
| Power | ||
| Battery | ||
| Runtime | 3 h–5 hManufacturerSource: unitree.com (2026-09-25)Conditions: unloaded continuous walking; loaded (25kg) figure is >3h/~12.5km | |
| Hot-swappable battery | ||
| Software | ||
| SDK | Unitree SDK2 (unitree_sdk2, C++/Python) with ROS2 support (unitree_ros2)ManufacturerSource: support.unitree.com (2026-09-25) | Unitree SDK2 (unitree_sdk2, C++/Python) with ROS2 support (unitree_ros2)ManufacturerSource: support.unitree.com (2026-09-25) |
| 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 Unitree A2 and the Unitree Go2-W?
Published figures: weight 42 kg (93 lb) vs 18 kg (40 lb); speed 3.7 m/s (13.3 km/h · 8.3 mph) vs 2.5 m/s (9 km/h · 5.6 mph); payload 25 kg (55 lb) vs 8 kg (18 lb); runtime 3 h–5 h vs 90 min–3 h; degrees of freedom 12 vs 16. Only Unitree A2 has a public price: US$100,000, Official store (global) (official price).
Which is cheaper, the Unitree A2 or the Unitree Go2-W?
Only Unitree A2 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 in the Robot 500, the Unitree A2 or the Unitree Go2-W?
Robot 500: Unitree A2 #9 (score 69.7), Unitree Go2-W #89 (score 55.4). Method: https://rankedrobot.com/robot500/#method
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