FANUC CRX-5iA vs UFACTORY 850: 5 kg Cobot Comparison
The FANUC CRX-5iA and the UFACTORY 850 both carry 5 kg with six axes. The CRX-5iA reaches 994 mm and is rated IP67. The 850 reaches 850 mm, repeats to ±0.02 mm, weighs 20 kg and is listed about 77% lower.
Quick verdict. The UFACTORY 850 is the better value for 5 kg handling, research and light production in dry cells, with a listed price $33,301 lower. The FANUC CRX-5iA is the better choice for coolant-exposed tending, longer reach and FANUC-standard plants.
CRX-5iA and UFACTORY 850 at a glance

The FANUC CRX-5iA carries 5 kg over 994 mm, repeats to ±0.03 mm, weighs 25 kg, is rated IP67 and runs on the R-30iB Mini Plus controller. FANUC lists 1000 mm/s in collaborative mode and 2000 mm/s in high-speed mode.
The UFACTORY 850 carries 5 kg over 850 mm, repeats to ±0.02 mm, weighs 20 kg and lists a 1 m/s maximum speed. It runs on a UFACTORY AC or DC control box with UFACTORY Studio. UFACTORY does not publish an IP rating for the arm.
Main specification comparison
Specification | FANUC CRX-5iA | UFACTORY 850 |
Brand | FANUC | UFACTORY |
Listed price | $43,200 | $9,899 |
Payload | 5 kg | 5 kg |
Reach | 994 mm | 850 mm |
Repeatability | ±0.03 mm | ±0.02 mm |
Axes | 6 | 6 |
Speed | 1000 mm/s (collaborative mode); 2000 mm/s (high-speed mode) | 1 m/s |
Arm weight | 25 kg | 20 kg |
IP rating | IP67 | Not specified |
Controller | R-30iB Mini Plus | UFACTORY AC or DC control box running UFACTORY Studio |
Price comparison
FANUC CRX-5iA: listed from $43,200
UFACTORY 850: listed from $9,899
Difference: $33,301
The 850 costs roughly 77% less
Reach and precision

The CRX-5iA reaches 994 mm, about 144 mm beyond the 850 mm of the UFACTORY 850. UFACTORY publishes ±0.02 mm against ±0.03 mm from FANUC. Both suit small-part handling and loading.
Protection and speed
FANUC rates the CRX-5iA IP67 for the body, wrist and J3 arm and lists up to 2000 mm/s in high-speed mode. UFACTORY lists 1 m/s and does not publish an IP rating for the 850, so it is best kept in dry, clean cells.
Software and support

The CRX-5iA uses FANUC's tablet programming and hand guiding, with FANUC's vision, safety and service network. The 850 runs on UFACTORY Studio with Python, ROS and SDK access, which suits labs, research and integrators building custom cells.
Best applications for the CRX-5iA
Machine tending near coolant
FANUC-standard plants
Production cells needing FANUC service
Best applications for the UFACTORY 850

Research and education
Light production handling
Custom ROS or Python cells
CRX-5iA advantages
IP67 protection
994 mm reach
FANUC service network
CRX-5iA limitations
About $33,301 higher listed price
UFACTORY 850 advantages
About 77% lower listed price
±0.02 mm repeatability
20 kg arm
UFACTORY 850 limitations
No published IP rating
850 mm reach
Final verdict
Choose the UFACTORY 850 for value in dry cells. Choose the FANUC CRX-5iA for production cells and harsh environments.
Sources and further reading
Frequently asked questions
Which is cheaper, the FANUC CRX-5iA or the UFACTORY 850?
The 850 is listed from $9,899 and the CRX-5iA from $43,200, a difference of $33,301.
Which cobot has the longer reach?
The CRX-5iA reaches 994 mm; the 850 850 mm.
Which cobot is more precise?
The 850 publishes ±0.02 mm and the CRX-5iA ±0.03 mm.
What IP ratings do they have?
The CRX-5iA is rated IP67; UFACTORY does not publish an IP rating for the 850.
How heavy are they?
The CRX-5iA weighs 25 kg; the 850 20 kg.
Which cobot should I buy?
Choose the 850 for value. Choose the CRX-5iA for production and harsh environments.



