Quick Verdict
Walker S2 leads in more DOF, while R1 leads in faster speed, lower price. Overall, R1 has an edge in 2 out of 3 compared categories.
Walker S2
UBTECH Robotics
R1
Unitree Robotics
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Walker S2 R1
Specifications
$90,000Price$4,900
176 cmHeight122 cm
73 kgWeight25 kg
52DOF20
15 kgPayload—
—Runtime1h
2 m/sSpeed2.5 m/s
YesStairsYes
NoLiDARNo
N/ACompute8-core CPU; NVIDIA Jetson Orin (EDU)
Ecosystem Openness
—
Walker S2
/100
72
R1
ROS2 support, newer platform — ecosystem growing.
Last updated: 2026