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Unitree G1 vs UBTECH Walker S2

Unitree Unitree G1

Unitree G1

Unitree

CN
Shipping$13,500
UBTECH Walker S2

Walker S2

UBTECH

CN
ShippingContact Sales

Last updated: December 2025

Comparison Overview

UBTECH Walker S2 stands at 176cm tall, making it 44cm taller than Unitree Unitree G1 at 132cm. Unitree Unitree G1 is lighter at 35kg 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 Unitree Unitree G1 has 23 DOF, giving UBTECH Walker S2 greater dexterity. For carrying capacity, UBTECH Walker S2 can handle 15kg payload versus Unitree Unitree G1's 2kg. Unitree Unitree G1 targets research & development applications while UBTECH Walker S2 focuses on industrial manufacturing.

Quick Verdict

Choose Unitree Unitree G1 if you need:
  • Lighter weight (38kg lighter)
Choose UBTECH Walker S2 if you need:
  • More degrees of freedom (52 DOF)
  • Higher payload capacity (15kg)
  • Taller stature (44cm taller)

Frequently Asked Questions

Detailed Specifications
SpecificationUnitree Unitree G1UBTECH Walker S2
Physical Dimensions
Height
132 cm
176 cm
Weight
35 kg
73 kg
Width
45 cm
Not Disclosed
Depth
20 cm
Not Disclosed
Performance
Walking Speed
2 m/s
2 m/s
Max Speed
7.2 km/h
7.2 km/h
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Payload Capacity
2 kg
15 kg
Degrees of Freedom
Total DOF
23
52
DOF per Arm
5
Not Disclosed
DOF per Hand
7
11
DOF per Leg
6
Not Disclosed
Power & Battery
Runtime
2 hours
2 hours
Battery Capacity
0.43 kWh
Not Disclosed
Charge Time
2 hours
Not Disclosed
Battery Type
Lithium-ion smart battery
Lithium Iron Phosphate (LiFePO4)
Swappable Battery
Yes
Yes
Processing & Computing
Processor
8-core high-performance CPU
Intel Core i7-1185G7 (Quad-core, 3GHz+)
GPU
NVIDIA Jetson Orin NX/AGX (EDU version)
NVIDIA Jetson AGX Orin (275 TOPS)
RAM
16 GB
64 GB
Storage
Not Disclosed
128 GB
AI Compute
157 TOPS
275 TOPS
Operating System
Linux (Ubuntu-based with ROS 2)
Not Disclosed
Sensors & Cameras
Camera Resolution
1280x720 depth, 1080p color
Not Disclosed
Camera FPS
30 fps
Not Disclosed
Depth Cameras
1
2
Stereo Cameras
0
2
LiDAR
Yes
No
Force Sensors
Yes
Yes
IMU
Yes
Yes
Tactile Sensors
Yes
Yes
AI & Intelligence
Computer Vision
Yes
Yes
Object Recognition
Yes
Yes
Facial Recognition
No
No
Voice Recognition
Yes
No
NLP
No
Yes
SLAM
Yes
Yes
Path Planning
Yes
Yes
Connectivity
WiFi
Yes
Yes
WiFi Standard
Wi-Fi 6 (802.11ax)
WiFi 6
Bluetooth
Yes
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
Programming Languages
C++, Python
Not Disclosed
Safety
Emergency Stop
Yes
Yes
Collision Detection
Yes
Yes
Pinch Proof
No
No
Pricing & Availability
Price
$13,500
Not Disclosed
Availability
Shipping
Shipping
Model Year
2024
2025