Walker S2 vs R1: Specs, Price & ROS Support Compared (2026)
UBTECH Robotics vs Unitree Robotics — independent, side-by-side analysis.
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.
Pros and cons at a glance
Walker S2
Pros
- Shipping to customers (verified commercial availability)
- 52 degrees of freedom — full-body articulation
Cons
- Closed software stack — no public SDK or ROS support
R1
Pros
- Shipping to customers (verified commercial availability)
- Affordable at $4,900 — accessible to research labs and SMEs
Cons
- Short runtime (60 min) — frequent recharging or battery swaps
Frequently asked questions
Which is cheaper: Walker S2 or R1?
R1 is cheaper at $4,900 vs $90,000 for Walker S2. Note that lower price does not imply lower total cost of ownership — see the TCO calculator on the Explore page for utilisation-adjusted figures.
Are both Walker S2 and R1 shipping to customers?
Yes. Both are commercially available as of the last review. Delivery timelines and customer geographies vary per vendor — check the manufacturer page for each.
Which is better for ROS-based development: Walker S2 or R1?
Walker S2 has no ROS support; R1 has ros2. For research and multi-vendor robotics stacks, native ROS 2 is the strongest signal of ecosystem maturity.
Last updated: 2026