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UBTech Robotics Walker S2 vs X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra

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humanoidrecord.com, "UBTech Robotics Walker S2 vs X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra", page snapshot 2026-11-03, https://humanoidrecord.com/compare/ubtech-walker-s2-vs-x-humanoid-tiangong-ultra/
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Dataset date: 2026-11-03

175 cmhuman
payload 15 kg (claimed)
ClaimedC176 cm2UBTech Robotics Walker S2
ClaimedC180 cm3X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong Ultra

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

Evidence sheet

Showing all 20 rows
PropertyUBTech Robotics Walker S2X-Humanoid (Beijing Humanoid Robot Innovation Center) Tiangong UltraDifference
Height (cm)ClaimedC176 cm2
Not reviewed

The cited source has not been reviewed for this specific claim.

ClaimedC180 cm3
Not reviewed

The cited source has not been reviewed for this specific claim.

+4 cm
Weight (kg)sources disagreeClaimedC52 kg4
Not reviewed

The cited source has not been reviewed for this specific claim.

unknown on one side
Degrees of freedomClaimedC525
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
no sourced valueunknown on one side
Walking speed (km/h)no sourced valueno sourced valueno sourced value
Payload (kg)ClaimedC15 kg1
Not reviewed

The cited source has not been reviewed for this specific claim.

no sourced valueunknown on one side
Battery runtime (min)sources disagreeno sourced valueno sourced value
Handsno sourced valueno sourced valueno sourced value
Actuator torque (Nm)no sourced valueno sourced valueno sourced value
Battery (Wh)sources disagreeno sourced valueno sourced value
Battery swappableClaimedCyes6
Not reviewed

The cited source has not been reviewed for this specific claim.

no sourced valueunknown on one side
Locomotionsources disagreeno sourced valueno sourced value
SDK / ROSno sourced valueno sourced valueno 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.
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 TienKung Lite model was found; it does not match the Tiangong Ultra record.
—
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.
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.
—
Warranty (shortest–longest)no sourced valueno sourced valueno sourced value
Order typeClaimedCquote required7
Not reviewed

The cited source has not been reviewed for this specific claim.

no sourced valueunknown on one side
Latest priceno sourced valueno sourced valueno sourced value
Announced2025-07-238
Not reviewed

The cited source has not been reviewed for this specific claim.

2025-04-199
Not reviewed

The cited source has not been reviewed for this specific claim.

-3 mo
Recorded first customer deliveryno sourced valueno sourced valueno sourced value
Recorded delivery statusRecorded claimedRecorded demonstrated—
Results under fixed rules—2 results, best rank #1—

Notes

  1. pitch 125° angle and handle 15kg payload within 0-1.8 meters workspace (accessed 2026-09-20) — source
  2. stands at an impressive height of 1.76 meters (accessed 2026-09-20) — source
  3. Standing approximately 1.80 m tall (accessed 2026-09-21) — source
  4. weighing around 52–55 kg (accessed 2026-09-21) — source
  5. 52 degrees of freedom in its bionic body (accessed 2026-09-27) — source
  6. swap battery autonomously within 3 minutes (accessed 2026-09-21) — source
  7. Please reach out for more request or become a partner! (accessed 2026-09-21) — source
  8. On July 23rd, UBTECH Robotics announced the launch of its latest innovation, the Walker S2 (accessed 2026-09-20) — source
  9. The 'Tiangong Ultra' humanoid robot wins the world's first humanoid robot half marathon in Beijing, China, April 19, 2025. (accessed 2026-09-21) — source

Cite this comparison: https://humanoidrecord.com/compare/ubtech-walker-s2-vs-x-humanoid-tiangong-ultra/ (data snapshot 2026-11-03)

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