UR5e vs Mitsubishi ASSISTA RV-5AS-D: 5 kg Cobot Comparison
The Universal Robots UR5e and the Mitsubishi Electric ASSISTA RV-5AS-D are 5 kg cobots with the same ±0.03 mm repeatability and IP54 rating. The ASSISTA reaches a little further and costs slightly less. The UR5e is much lighter and has built-in force sensing.
Quick verdict. The Mitsubishi ASSISTA RV-5AS-D suits plants standardized on Mitsubishi Electric automation, with 910 mm reach and a listed price $1,000 lower. The UR5e is the better choice for mobile and force-controlled cells, with a 20.6 kg arm, a 50 N / 10 Nm force/torque sensor and the UR+ ecosystem.
UR5e and ASSISTA RV-5AS-D at a glance
The UR5e carries 5 kg over 850 mm, repeats to ±0.03 mm and weighs 20.6 kg.
The ASSISTA RV-5AS-D carries 5 kg over 910 mm, repeats to ±0.03 mm, weighs 32 kg and is rated IP54.
Main specification comparison
Specification | Universal Robots UR5e | Mitsubishi Electric ASSISTA RV-5AS-D |
Brand | Universal Robots | Mitsubishi Electric |
Listed price | $35,000 | $34,000 |
Payload | 5 kg | 5 kg |
Reach | 850 mm | 910 mm |
Repeatability | ±0.03 mm | ±0.03 mm |
Axes | 6 | 6 |
Speed | 180°/s maximum joint speed on all six joints | Max. composite speed 1,000 mm/s; 250 mm/s in collaborative operation |
Arm weight | 20.6 kg | 32 kg |
IP rating | IP54 | IP54 |
Controller | UR control box CB 5.2 / CB 5.5 | CR800-05VD |
Price comparison
UR5e: listed from $35,000
Mitsubishi ASSISTA RV-5AS-D: listed from $34,000
Difference: $1,000
The ASSISTA costs roughly 3% less
Payload, reach and precision
Both arms carry 5 kg, repeat to ±0.03 mm and are rated IP54. The ASSISTA reaches 910 mm, 60 mm more than the UR5e. For most assembly and machine-tending tasks, their capabilities are close.
Weight and speed
The UR5e weighs 20.6 kg, about 11.4 kg less than the 32 kg ASSISTA, which helps on carts and light frames. Mitsubishi publishes a maximum composite speed of 1,000 mm/s for the ASSISTA and 250 mm/s in collaborative operation.
Controller and integration
The ASSISTA runs on the Mitsubishi CR800-05VD controller and mounts on the floor or ceiling, which suits plants already built around Mitsubishi Electric automation. The UR5e runs PolyScope with PROFINET, EtherNet/IP, Modbus TCP, ROS/ROS2 and UR+ accessories, and has a built-in 50 N / 10 Nm force/torque sensor.
Best applications for the UR5e
Mobile and redeployable cells
Force-controlled screwdriving
Packaging with UR+ tools
Best applications for the ASSISTA RV-5AS-D
Assembly and inspection
Machine tending in Mitsubishi-based plants
Ceiling-mounted cells
UR5e advantages
20.6 kg arm
Built-in force/torque sensor
UR+ ecosystem
UR5e limitations
About $1,000 higher listed price
ASSISTA RV-5AS-D advantages
910 mm reach
Mitsubishi CR800 controller
About 3% lower listed price
ASSISTA RV-5AS-D limitations
32 kg arm
Final verdict
Choose the Mitsubishi ASSISTA RV-5AS-D for Mitsubishi-based plants and slightly more reach. Choose the UR5e for lighter, mobile and force-controlled cells.
Sources and further reading
Frequently asked questions
Which is cheaper, the UR5e or the Mitsubishi ASSISTA RV-5AS-D?
The ASSISTA RV-5AS-D is listed from $34,000 and the UR5e from $35,000, a difference of $1,000.
Do both robots carry 5 kg?
Yes. Both are rated for 5 kg.
Which robot has the longer reach?
The ASSISTA RV-5AS-D reaches 910 mm and the UR5e 850 mm.
Are they equally precise?
Yes. Both publish ±0.03 mm repeatability.
Which robot is lighter?
The UR5e weighs 20.6 kg and the ASSISTA RV-5AS-D 32 kg.
Which robot should I buy?
Choose the ASSISTA for Mitsubishi-based plants. Choose the UR5e for lighter, force-controlled cells.
