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UBTECH
Walker
Discontinued42Reality
Fourier Intelligence
GR-2
Limited release40Reality
Quick read

GR-2 leads on more comparable public fields than Walker. This is not a blanket verdict: missing values are treated as not sourceable, and Reality Score/lifecycle should be read alongside the spec rows.

Walker leads on
  • Reality Score
GR-2 leads on
  • Lifecycle
  • Weight
  • DoF (total)
Specs
Spec
Walker
GR-2
Lifecycle
Discontinued
Limited release
Reality Score
42 / 100
40 / 100
Height
145 cm
175 cm
Weight
77 kg
63 kg
Payload
No sourceable public value for one side.
2 kg
No sourceable public value
Runtime
2h
2h
Top speed
No sourceable public value for one side.
No sourceable public value
1.4 m/s
DoF (total)
36
53
DoF (per hand)
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Actuator
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Teleop
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Evidence
Evidence
Walker
GR-2
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
No
No
Last reviewed
2026-05-14
2026-05-19
Source confidence
Source list published
Source list published