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Fourier GR-2 vs UBTECH Walker S2

Fourier GR-2

GR-2

Fourier

CN
Shipping (limited)Contact 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 1cm taller than Fourier GR-2 at 175cm. Fourier GR-2 is lighter at 63kg compared to UBTECH Walker S2's 73kg, which may affect portability and deployment flexibility. In terms of articulation, Fourier GR-2 features 53 degrees of freedom while UBTECH Walker S2 has 52 DOF, giving Fourier GR-2 greater dexterity. UBTECH Walker S2 has a faster walking speed at 2 m/s compared to Fourier GR-2's 1.4 m/s. For carrying capacity, UBTECH Walker S2 can handle 15kg payload versus Fourier GR-2's 3kg. Fourier GR-2 targets research & industrial applications while UBTECH Walker S2 focuses on industrial manufacturing.

Quick Verdict

Choose Fourier GR-2 if you need:
  • More degrees of freedom (53 DOF)
  • Lighter weight (10kg lighter)
Choose UBTECH Walker S2 if you need:
  • Currently shipping and available
  • Higher payload capacity (15kg)
  • Faster walking speed (2 m/s)

Frequently Asked Questions

Detailed Specifications
SpecificationFourier GR-2UBTECH Walker S2
Physical Dimensions
Height
175 cm
176 cm
Weight
63 kg
73 kg
Width
55.2 cm
Not Disclosed
Depth
27.5 cm
Not Disclosed
Performance
Walking Speed
1.4 m/s
2 m/s
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Taller stature (1cm taller)
Max Speed
5 km/h
7.2 km/h
Payload Capacity
3 kg
15 kg
Max Lift
63 kg
Not Disclosed
Max Carry
6 kg
Not Disclosed
Degrees of Freedom
Total DOF
53
52
DOF per Arm
7
Not Disclosed
DOF per Hand
12
11
DOF per Leg
6
Not Disclosed
Max Joint Torque
380 Nm
Not Disclosed
Power & Battery
Runtime
2 hours
2 hours
Battery Capacity
0.95 kWh
Not Disclosed
Charge Time
2 hours
Not Disclosed
Battery Type
Lithium-ion (swappable)
Lithium Iron Phosphate (LiFePO4)
Swappable Battery
Yes
Yes
Processing & Computing
Processor
Intel Core i7 (14-core)
Intel Core i7-1185G7 (Quad-core, 3GHz+)
GPU
Not Disclosed
NVIDIA Jetson AGX Orin (275 TOPS)
RAM
16 GB
64 GB
Storage
Not Disclosed
128 GB
AI Compute
275 TOPS
275 TOPS
Operating System
Ubuntu 20.04 LTS
Not Disclosed
Sensors & Cameras
Camera Resolution
Stereo RGB cameras
Not Disclosed
Depth Cameras
0
2
Stereo Cameras
1
2
LiDAR
No
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
Yes
Yes
SLAM
Yes
Yes
Path Planning
Yes
Yes
Connectivity
WiFi
Yes
Yes
WiFi Standard
Wi-Fi (dual-band)
WiFi 6
Bluetooth
No
Yes
Ethernet
Yes
No
5G
No
Yes
Developer Features
SDK Available
Yes
No
API Available
Yes
No
ROS Support
Yes
No
ROS Version
ROS (Noetic/Foxy)
Not Disclosed
Open Source
Yes
No
Safety
Emergency Stop
Yes
Yes
Collision Detection
Yes
Yes
Pinch Proof
No
No
Pricing & Availability
Availability
Shipping (limited)
Shipping
Model Year
2024
2025