UBTech Robotics Walker S2 vs XPeng Iron

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Dataset date: 2026-11-03

175 cmhuman

176 cm²UBTech Robotics Walker S2

178 cm³XPeng Iron

Height to scale. Width is schematic, derived from weight; not a measured body width.

claimed → demonstrated
demonstrated
first delivery recorded

Evidence sheet

Only differences Showing all 20 rows

Evidence sheet, scrolls horizontally below 900px
Property	UBTech Robotics Walker S2	XPeng Iron	Difference
Height (cm)	176 cm² Not reviewed The cited source has not been reviewed for this specific claim.	178 cm³ Not reviewed The cited source has not been reviewed for this specific claim.	+2 cm
Weight (kg)	sources disagree	70 kg⁴ Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Degrees of freedom	52⁵ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The reviewed source did not establish both the exact recorded value and the concrete robot variant for this specification. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	60⁶ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The reviewed source did not establish both the exact recorded value and the concrete robot variant for this specification. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	+8 DoF
Walking speed (km/h)	no sourced value	no sourced value	no sourced value
Payload (kg)	15 kg¹ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Battery runtime (min)	sources disagree	no sourced value	no sourced value
Hands	no sourced value	no sourced value	no sourced value
Actuator torque (Nm)	no sourced value	no sourced value	no sourced value
Battery (Wh)	sources disagree	no sourced value	no sourced value
Battery swappable	yes⁷ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Locomotion	sources disagree	no sourced value	no sourced value
SDK / ROS	no sourced value	no sourced value	no sourced value
Simulation	No simulation artifact confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean simulation support is unavailable. Search checked 2026-09-27 Search result Targeted searches found no confirmed model for this record; does not mean unavailable. Only a Walker S2 EDU model was found; equivalence to the commercial Walker S2 record was not established. Searched source 1	No simulation artifact confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean simulation support is unavailable. Search checked 2026-09-27 Search result Targeted searches found no confirmed model for this record; does not mean unavailable. Searched source 1	—
Actuator architecture	No actuator architecture confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean a particular architecture is absent. Search checked 2026-09-27 Search result Targeted actuator searches did not confirm an exact-variant architecture claim for this record; this does not mean none exists. Searched source 1	No actuator architecture confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean a particular architecture is absent. Search checked 2026-09-27 Search result Targeted actuator searches did not confirm an exact-variant architecture claim for this record; this does not mean none exists. Searched source 1	—
Warranty (shortest–longest)	no sourced value	no sourced value	no sourced value
Order type	quote required⁸ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Latest price	no sourced value	no sourced value	no sourced value
Announced	2025-07-23⁹ Not reviewed The cited source has not been reviewed for this specific claim.	2024-11-06¹⁰ Not reviewed The cited source has not been reviewed for this specific claim.	-8 mo
Recorded first customer delivery	no sourced value	no sourced value	no sourced value
Recorded delivery status	Recorded claimed	Recorded demonstrated	—

Notes

pitch 125° angle and handle 15kg payload within 0-1.8 meters workspace (accessed 2026-09-20) — source
stands at an impressive height of 1.76 meters (accessed 2026-09-20) — source
stands 178 cm tall (accessed 2026-09-20) — source
weighs 70 kg (accessed 2026-09-20) — source
52 degrees of freedom in its bionic body (accessed 2026-09-27) — source
has over 60 joints (accessed 2026-09-27) — source
swap battery autonomously within 3 minutes (accessed 2026-09-21) — source
Please reach out for more request or become a partner! (accessed 2026-09-21) — source
On July 23rd, UBTECH Robotics announced the launch of its latest innovation, the Walker S2 (accessed 2026-09-20) — source
Xpeng unveiled Iron, a humanoid robot that stands 178 cm tall and weighs 70 kg, close to a real person. (accessed 2026-09-20) — source

Cite this comparison: https://humanoidrecord.com/compare/ubtech-walker-s2-vs-xpeng-iron/ (data snapshot 2026-11-03)

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