UR5e vs JAKA Zu 3: Cobot Comparison of Price, Payload and Precision
The Universal Robots UR5e and the JAKA Zu 3 serve light automation at different scales. The UR5e carries 2 kg more and reaches 224 mm further. The Zu 3 is lighter, more precise and costs well under half as much.
Quick verdict. The UR5e is the better choice when the task needs 5 kg, 850 mm of reach or force control. The JAKA Zu 3 is the value choice for small-part assembly in confined spaces, with ±0.02 mm repeatability, a 12 kg arm and a listed price about 57% lower.
UR5e and JAKA Zu 3 at a glance
The UR5e carries 5 kg over 850 mm, repeats to ±0.03 mm and weighs 20.6 kg.
The JAKA Zu 3 carries 3 kg over 626 mm, repeats to ±0.02 mm, weighs 12 kg and is rated IP54.
Main specification comparison
Specification | Universal Robots UR5e | JAKA Zu 3 |
Brand | Universal Robots | JAKA |
Listed price | $35,000 | $15,000 |
Payload | 5 kg | 3 kg |
Reach | 850 mm | 626 mm |
Repeatability | ±0.03 mm | ±0.02 mm |
Axes | 6 | 6 |
Speed | 180°/s maximum joint speed on all six joints | 1.5 m/s |
Arm weight | 20.6 kg | 12 kg |
IP rating | IP54 | IP54 |
Controller | UR control box CB 5.2 / CB 5.5 | JAKA StandardCab control cabinet |
Price comparison
UR5e: listed from $35,000
JAKA Zu 3: listed from $15,000
Difference: $20,000
The JAKA Zu 3 costs roughly 57% less
Payload and reach
The UR5e carries 5 kg, 2 kg more, and reaches 850 mm, 224 mm more than the Zu 3. Machine tending and packaging with heavier grippers usually need the UR5e.
Precision and weight
JAKA publishes ±0.02 mm repeatability for the Zu 3 against ±0.03 mm for the UR5e. The Zu 3 weighs 12 kg, about 8.6 kg less, which helps on benches and carts. Both arms are rated IP54.
Sensing and software
The UR5e has a built-in 50 N / 10 Nm force/torque sensor and 17 configurable safety functions, and runs PolyScope with UR+ accessories. The Zu 3 can be mounted at any angle, publishes a 1.5 m/s maximum TCP speed and runs on the JAKA StandardCab control cabinet.
Best applications for the UR5e
Machine tending up to 5 kg
Force-controlled screwdriving
Packaging and kitting
Best applications for the JAKA Zu 3
Small-part assembly
Screwdriving and dispensing
Budget-conscious benchtop cells
UR5e advantages
5 kg payload and 850 mm reach
Built-in force/torque sensor
UR+ ecosystem
UR5e limitations
About $20,000 higher listed price
JAKA Zu 3 advantages
About 57% lower listed price
±0.02 mm repeatability
12 kg arm
JAKA Zu 3 limitations
3 kg payload and 626 mm reach
Final verdict
Choose the UR5e for payload, reach and force control. Choose the JAKA Zu 3 for precise small-part work at well under half the price.
Sources and further reading
Frequently asked questions
Which is cheaper, the UR5e or the JAKA Zu 3?
The JAKA Zu 3 is listed from $15,000 and the UR5e from $35,000, a difference of $20,000.
Which robot carries more?
The UR5e carries 5 kg and the JAKA Zu 3 3 kg.
Which robot has the longer reach?
The UR5e reaches 850 mm and the JAKA Zu 3 626 mm.
Which robot is more precise?
The JAKA Zu 3 publishes ±0.02 mm repeatability and the UR5e ±0.03 mm.
Which robot is lighter?
The JAKA Zu 3 weighs 12 kg and the UR5e 20.6 kg.
Which robot should I buy?
Choose the UR5e for payload and reach. Choose the JAKA Zu 3 for value and precision.
