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Tesla Optimus Gen 2 vs UBTECH Walker S2

Tesla Optimus Gen 2

Optimus Gen 2

Tesla

US
prototypeContact Sales
UBTECH Walker S2

Walker S2

UBTECH

CN
ShippingContact Sales

Last updated: December 2025

Comparison Overview

UBTECH Walker S2 stands at 176cm tall, making it 3cm taller than Tesla Optimus Gen 2 at 173cm. Tesla Optimus Gen 2 is lighter at 55kg compared to UBTECH Walker S2's 73kg, which may affect portability and deployment flexibility. In terms of articulation, UBTECH Walker S2 features 52 degrees of freedom while Tesla Optimus Gen 2 has 40 DOF, giving UBTECH Walker S2 greater dexterity. Battery life gives Tesla Optimus Gen 2 an advantage with 8 hours of continuous operation versus UBTECH Walker S2's 2 hours. For carrying capacity, Tesla Optimus Gen 2 can handle 20kg payload versus UBTECH Walker S2's 15kg.

Quick Verdict

Choose Tesla Optimus Gen 2 if you need:
  • Higher payload capacity (20kg)
  • Longer runtime (8 hours)
  • Lighter weight (18kg lighter)
  • More complete specifications available
Choose UBTECH Walker S2 if you need:
  • Currently shipping and available

Frequently Asked Questions

Detailed Specifications
SpecificationTesla Optimus Gen 2UBTECH Walker S2
Physical Dimensions
Height
173 cm
176 cm
Weight
55 kg
73 kg
Performance
Walking Speed
Not Disclosed
2 m/s
Max Speed
8 km/h
7.2 km/h
Payload Capacity
20 kg
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More degrees of freedom (52 DOF)
  • Taller stature (3cm taller)
    • 15 kg
    Max Lift
    68 kg
    Not Disclosed
    Degrees of Freedom
    Total DOF
    40
    52
    DOF per Arm
    7
    Not Disclosed
    DOF per Hand
    11
    11
    DOF per Leg
    6
    Not Disclosed
    Power & Battery
    Runtime
    8 hours
    2 hours
    Battery Capacity
    2.3 kWh
    Not Disclosed
    Battery Type
    Lithium-ion
    Lithium Iron Phosphate (LiFePO4)
    Swappable Battery
    No
    Yes
    Processing & Computing
    Processor
    Tesla FSD (Full Self-Driving) Computer with dual SoC architecture
    Intel Core i7-1185G7 (Quad-core, 3GHz+)
    GPU
    Not Disclosed
    NVIDIA Jetson AGX Orin (275 TOPS)
    RAM
    Not Disclosed
    64 GB
    Storage
    Not Disclosed
    128 GB
    AI Compute
    Not Disclosed
    275 TOPS
    Sensors & Cameras
    Depth Cameras
    0
    2
    Stereo Cameras
    0
    2
    LiDAR
    No
    No
    Force Sensors
    Yes
    Yes
    IMU
    No
    Yes
    Tactile Sensors
    Yes
    Yes
    AI & Intelligence
    Computer Vision
    No
    Yes
    Object Recognition
    No
    Yes
    Facial Recognition
    No
    No
    Voice Recognition
    No
    No
    NLP
    No
    Yes
    SLAM
    No
    Yes
    Path Planning
    No
    Yes
    Connectivity
    WiFi
    No
    Yes
    WiFi Standard
    Not Disclosed
    WiFi 6
    Bluetooth
    No
    Yes
    Ethernet
    No
    No
    5G
    No
    Yes
    Developer Features
    SDK Available
    No
    No
    API Available
    No
    No
    ROS Support
    No
    No
    Open Source
    No
    No
    Safety
    Emergency Stop
    No
    Yes
    Collision Detection
    No
    Yes
    Pinch Proof
    No
    No
    Pricing & Availability
    Availability
    prototype
    Shipping
    Model Year
    2023
    2025