Quick Verdict
Walker S2 leads in more DOF, higher payload, while G1 leads in lower price. Overall, Walker S2 has an edge in 2 out of 3 compared categories.
Walker S2
UBTECH Robotics
G1
Unitree Robotics
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Walker S2 G1
Specifications
$90,000Price$16,000
176 cmHeight127 cm
73 kgWeight35 kg
52DOF23
15 kgPayload2 kg
—Runtime2h
2 m/sSpeed2 m/s
YesStairsYes
NoLiDARYes
N/AComputeNVIDIA Jetson Orin (EDU)
Task Capabilities
?Pick up a box from shelf◔
?Open a door handle✕
?Pour liquid into cup✕
?Use a power tool✕
?Type on keyboard✕
?Climb stairs with load✓
?Walk on uneven terrain✓
?Run (>3 m/s)✕
?Crouch under obstacle✓
?Navigate in crowd◔
?Recognize & locate objects✓
?Respond to voice commands✕
?Detect humans nearby✓
?Work 8-hour shift✕
?Hot-swap battery✓
?Operate 24/7 (with charging)◔
?Work in rain (IP65+)✕
?Work below 0°C✕
?Work in dusty environment✕
?Work safely alongside humans◔
Ecosystem Openness
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Walker S2
/100
82
G1
Full ROS2 + SDK2 (C++/Python). Active GitHub. Large research community.
Last updated: 2025