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Head to head.

Choose robots to compare, or use the roster picker below. Spec-for-spec diff, Reality Score side-by-side, shareable URL.

Start with a guided matchup
Figure 02 vs Apollo→

Two factory pilots, very different transparency levels.

Atlas Electric vs Optimus Gen 2→

Verified robotics lab maturity versus manufacturing-scale ambition.

Neo vs Digit→

Home-first soft robotics versus warehouse-first biped logistics.

G1 vs H1→

Unitree's compact platform against its faster full-size humanoid.

Search by opening the menu, or keep using the roster picker below.

Search by opening the menu, or keep using the roster picker below.

UBTECH Walker S2 industrial humanoid robot official product image×
UBTECH
Walker S2
Demo53Reality
Sanctuary AI Phoenix Gen 7 humanoid robot×
Sanctuary AI
Phoenix
Prototype50Reality
⇄ Swap sides
Quick read

Walker S2 leads on more comparable public fields than Phoenix. This is not a blanket verdict: missing values are treated as not sourceable, and Reality Score/lifecycle should be read alongside the spec rows. Public specs are sparse, so avoid over-reading the head-to-head.

Walker S2 leads on
  • Lifecycle
  • Reality Score
Phoenix leads on
  • Payload
Specs
Spec
Walker S2
Phoenix
Lifecycle
Demo
Prototype
Reality Score
53 / 100
50 / 100
Height
No sourceable public value for one side.
No sourceable public value
170 cm
Weight
No sourceable public value for one side.
No sourceable public value
70 kg
Payload
15 kg
25 kg
Runtime
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Top speed
No sourceable public value for one side.
No sourceable public value
1.3 m/s
DoF (total)
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
DoF (per hand)
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Actuator
No sourceable public value for one side.
Electric
No sourceable public value
Teleop
Not publicly comparable.
Not publicly comparable.
Not publicly comparable.
Evidence
Evidence
Walker S2
Phoenix
Public specs
Yes
Yes
Named customer
No
No
Independent verification
No
No
Teleop disclosure
No
No
Last reviewed
2026-06-06
2026-05-14
Source confidence
Source list published
Source list published