UR5e vs DOBOT CR3A: Cobot Comparison of Price, Payload and Connectivity
Updated: 9 hours ago
IN A NUTSHELL
🔎 THE KEY DIFFERENCE Universal Robots UR5e has the higher stated load capacity and longer stated reach. Those figures help shortlist it for heavier loads or wider layouts, but do not prove a faster production cycle. |
→ CONSIDER Universal Robots UR5e Consider it when additional load capacity and reach matter. This article compares 5 kg with a published reach of 850 mm; include the gripper and part in the load. |
→ CONSIDER DOBOT CR3A Consider it when its stated load and reach already cover your task and its controls fit your equipment. This article compares 3 kg with a published reach of 620 mm; include the gripper and part in the load. |
💡 THE TAKEAWAY Check the real tool, movement path and safety assessment before choosing. A collaborative label does not make every task safe without guarding; compare complete installation quotes. |
The Universal Robots UR5e and the DOBOT CR3A cover light automation at very different price points. The UR5e carries more and reaches further. The CR3A, from DOBOT's current CRA series, costs less than half as much and adds broad industrial I/O.
Quick verdict. The DOBOT CR3A is the value choice for light parts, with a listed price about 53% lower, ±0.02 mm repeatability and PROFINET and EtherNet/IP built in. The UR5e is the better choice when the task needs 5 kg, 850 mm of reach or force control.
UR5e and DOBOT CR3A at a glance
The UR5e carries 5 kg over 850 mm, repeats to ±0.03 mm and weighs 20.6 kg.
The CR3A carries 3 kg over a 620 mm working radius, repeats to ±0.02 mm, weighs 16.5 kg and mounts at any angle.
Main specification comparison
Specification | Universal Robots UR5e | DOBOT CR3A |
Brand | Universal Robots | DOBOT |
Listed price | $35,000 | $16,400 |
Payload | 5 kg | 3 kg |
Reach | 850 mm | 620 mm |
Repeatability | ±0.03 mm | ±0.02 mm |
Axes | 6 | 6 |
Speed | 180°/s maximum joint speed on all six joints | 3 m/s max. linear speed |
Arm weight | 20.6 kg | 16.5 kg |
IP rating | IP54 | IP54 |
Controller | UR control box CB 5.2 / CB 5.5 | Not specified |
Price comparison
UR5e: listed from $35,000
DOBOT CR3A: listed from $16,400
Difference: $18,600
The CR3A costs roughly 53% less
Payload and reach
The UR5e carries 5 kg, 2 kg more than the CR3A, and reaches about 230 mm further.
Precision and speed
DOBOT publishes ±0.02 mm repeatability and a 3 m/s maximum linear speed for the CR3A. The UR5e publishes ±0.03 mm and 180°/s joint speed.
Sensing and safety
The UR5e has a built-in 50 N / 10 Nm force/torque sensor and 17 configurable safety functions. The CR3A provides 10 safety I/O channels.
Programming and connectivity
The UR5e runs PolyScope with UR+ accessories and supports Modbus TCP, PROFINET and EtherNet/IP.
The CR3A is programmed in DobotStudio Pro and supports Modbus TCP and RTU, EtherNet/IP, PROFINET, RS485, two Ethernet ports, 24 digital inputs and 24 digital outputs.
Best applications for the UR5e
Machine tending up to 5 kg
Force-controlled screwdriving
Projects built on UR+ accessories
Best applications for the DOBOT CR3A
Low-cost benchtop assembly
Light pick-and-place and testing
Cells that need many I/O channels
UR5e advantages
5 kg payload and 850 mm reach
Built-in force/torque sensor
UR+ ecosystem
UR5e limitations
About $18,600 higher listed price
DOBOT CR3A advantages
About 53% lower listed price
±0.02 mm repeatability
24 DI, 24 DO and 10 safety I/O channels
DOBOT CR3A limitations
3 kg payload and 620 mm working radius
Final verdict
Choose the DOBOT CR3A for light, precise and low-cost automation. Choose the UR5e for more payload, reach and force control.
Sources and further reading
Frequently asked questions
Which is cheaper, the UR5e or the DOBOT CR3A?
The CR3A is listed from $16,400 and the UR5e from $35,000, a difference of $18,600.
Which robot carries more?
The UR5e carries 5 kg and the CR3A 3 kg.
Which robot is more precise?
The CR3A publishes ±0.02 mm repeatability and the UR5e ±0.03 mm.
Which robot has more I/O?
The CR3A provides 24 digital inputs, 24 digital outputs and 10 safety I/O channels.
Which robot has the longer reach?
The UR5e reaches 850 mm and the CR3A has a 620 mm working radius.
Which robot should I buy?
Choose the CR3A for value. Choose the UR5e for payload, reach and force control.
