UR5e vs ROKAE xMate SR4: Cobot Comparison of Price, Reach and Availability
The Universal Robots UR5e and the ROKAE xMate SR4 cover similar working areas with the same IP54 rating. The UR5e carries 1 kg more, publishes its repeatability and is still in production. The SR4 reaches a little further, weighs less and costs about half as much.
Quick verdict. The UR5e is the better choice for production cells, with 5 kg payload, ±0.03 mm repeatability, a built-in force/torque sensor and long-term support. The ROKAE xMate SR4 is a lower-cost option for light work, with 919 mm reach and a 16.5 kg arm, but it is no longer part of the current ROKAE range.
UR5e and xMate SR4 at a glance
The UR5e carries 5 kg over 850 mm, repeats to ±0.03 mm and weighs 20.6 kg.
The ROKAE xMate SR4 carries 4 kg over 919 mm, weighs 16.5 kg and is rated IP54.
Main specification comparison
Specification | Universal Robots UR5e | ROKAE xMate SR4 |
Brand | Universal Robots | ROKAE |
Listed price | $35,000 | $16,400 |
Payload | 5 kg | 4 kg |
Reach | 850 mm | 919 mm |
Repeatability | ±0.03 mm | Not specified |
Axes | 6 | 6 |
Speed | 180°/s maximum joint speed on all six joints | 2 m/s (tool end) |
Arm weight | 20.6 kg | 16.5 kg |
IP rating | IP54 | IP54 |
Price comparison
UR5e: listed from $35,000
ROKAE xMate SR4: listed from $16,400
Difference: $18,600
The xMate SR4 costs roughly 53% less
Payload and reach
The UR5e carries 5 kg, 1 kg more. The SR4 reaches 919 mm, 69 mm more, and mounts in any orientation. For most light assembly and inspection tasks their envelopes are similar.
Precision, speed and weight
Universal Robots publishes ±0.03 mm repeatability for the UR5e; the reviewed SR4 specification lists no repeatability figure. ROKAE publishes a 2 m/s tool-end speed. The SR4 weighs 16.5 kg, about 4.1 kg less.
Availability and support
The xMate SR4 is no longer part of the current ROKAE product range, so spare parts and long-term support should be checked before buying. The UR5e is a current model with a built-in 50 N / 10 Nm force/torque sensor, 17 configurable safety functions and UR+ accessories.
Best applications for the UR5e
Production machine tending
Force-controlled screwdriving
Packaging and kitting
Best applications for the xMate SR4
Light assembly and inspection
Small-part handling
Budget lab or pilot setups
UR5e advantages
Current model with UR+ ecosystem
5 kg payload
Built-in force/torque sensor
UR5e limitations
About $18,600 higher listed price
xMate SR4 advantages
About 53% lower listed price
919 mm reach
16.5 kg arm
xMate SR4 limitations
No longer in the current ROKAE range
Final verdict
Choose the UR5e for production work with long-term support. Choose the ROKAE xMate SR4 for light work on a tight budget where availability is not critical.
Sources and further reading
Frequently asked questions
Which is cheaper, the UR5e or the ROKAE xMate SR4?
The xMate SR4 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 xMate SR4 4 kg.
Which robot has the longer reach?
The xMate SR4 reaches 919 mm and the UR5e 850 mm.
Is the ROKAE xMate SR4 still in production?
The xMate SR4 is no longer part of the current ROKAE product range.
Which robot is lighter?
The xMate SR4 weighs 16.5 kg and the UR5e 20.6 kg.
Which robot should I buy?
Choose the UR5e for production. Choose the xMate SR4 for light work on a budget.
