Optimus vs Walker S2

Optimus is a humanoid robot by Tesla (United States); Walker S2 comes from UBTECH Robotics (China). Walker S2 is taller at 176 cm, against 175.6 cm for Optimus. Optimus is heavier: 53 kg versus 43 kg for Walker S2. Walker S2 has more degrees of freedom (52 against 46). Both are prototypes. Listed prices: $30,000 for Optimus and $80,000 for Walker S2.

Open in the interactive comparison Optimus Walker S2

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Spec	Optimus Tesla 🇺🇸 United StatesPrototype	Walker S2 UBTECH Robotics 🇨🇳 ChinaPrototype
Overview
Year
Year	2021	2025
Body
Height
Height	175.6 cm	176 cm
Weight
Weight	53 kg	43 kg
Degrees of freedom
Degrees of freedom	46	52
DoF (hands)
DoF (hands)	-	22
Fingers
Fingers	-	10
Motion
Max speed
Max speed	8 km/h	7.2 km/h
Walking speed
Walking speed	2.5 km/h	7.2 km/h
Strength
Strength	20 kg	15 kg
Runtime
Runtime	1 h	2 h
Motor tech
Motor tech	-	high-power and high-torque waist servo motor design
Sensing & Compute
LLM integration
LLM integration	-	BrainNet 2.0 + Co-Agents
Camera
Camera	-	Dual RGB stereo
Connectivity
Connectivity	-	Bluetooth, WiFi
Tactile / force sensors
Tactile / force sensors	Force sensors in its hands	-
Safety & Market
Primary market
Primary market	-	Industries, Lgistics.
Country
Country	United States	China
Availability
Availability	Prototype	Prototype
Price
Price	$ 30 000	$ 80 000
Verified facts
All reviewed facts
All reviewed facts	1	-

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