RB5-850E vs xArm 850
Side-by-side comparison of RB5-850E (Rainbow Robotics Co., Ltd.) and xArm 850 (UFACTORY) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Healthcare & Hospitals buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- RB5-850ESouth Korea
- xArm 850China
Year First Available
- RB5-850E2011
- xArm 850—
Verified Deployments
- RB5-850E0 Deployments
- xArm 8500 Deployments
Layer 2: Operational
Price Range (USD)
- RB5-850E$23,500
- xArm 850$8,999
Availability Status
- RB5-850EACTIVE
- xArm 850ACTIVE
Arm Mechanics
Repeatability
- RB5-850E±0.05 mm
- xArm 850±0.02 mm
IP Rating
- RB5-850EIP66
- xArm 850—
Reach
- RB5-850E927.7 mm
- xArm 850850 mm
Payload
- RB5-850E5 kg
- xArm 8505 kg
Degrees of Freedom
- RB5-850E6
- xArm 8506
Max TCP Speed
- RB5-850E—
- xArm 8501 m/s
Robot Weight
- RB5-850E22 kg
- xArm 85020 kg
Mounting Options
- RB5-850E—
- xArm 850floor, ceiling, wall, rail
Safety
Safety Rating
- RB5-850EISO 10218-1, ISO/TS 15066
- xArm 850ISO Class 5
Force/Torque Sensing
- RB5-850Enone
- xArm 850joint level all
Safety I/O Pairs
- RB5-850E—
- xArm 85016
Duty Cycle
- RB5-850E—
- xArm 85024 7 continuous
Ease of Use
Setup Time
- RB5-850E1 hrs
- xArm 850—
No-Code Capable
- RB5-850E—
- xArm 850Yes
Offline Programming
- RB5-850E—
- xArm 850Yes
Programming Interface
- RB5-850Eno_code_gui
- xArm 850code_python, code_ros
End-Effector
Tool Flange Standard
- RB5-850EM10 12-pin
- xArm 850iso 9283
Tool Changer Support
- RB5-850E—
- xArm 850manual
Integrated F/T Sensor
- RB5-850E—
- xArm 850Yes
Wrist Power Supply
- RB5-850E—
- xArm 85048VDC
Software & Connectivity
SDK Languages
- RB5-850E—
- xArm 850Python, C++
ROS Compatible
- RB5-850E—
- xArm 850Yes
Fieldbus Protocols
- RB5-850E—
- xArm 850Modbus TCP
Digital Twin Support
- RB5-850E—
- xArm 850Yes
Reliability
MTBF
- RB5-850E—
- xArm 85015,000 hrs
Commercial
Price (USD)
- RB5-850E$23,500
- xArm 850$8,999
Warranty
- RB5-850E—
- xArm 8501 yrs
Lead Time
- RB5-850E—
- xArm 8508 wks
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | South Korea | China |
| Year First Available (values differ) | 2011 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $23,500 | $8,999 |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Repeatability (priority for Healthcare & Hospitals buyers) (values differ) | ±0.05 mm | ±0.02 mm |
| IP Rating (priority for Healthcare & Hospitals buyers) (values differ) | IP66 | — |
| Reach (priority for Healthcare & Hospitals buyers) (values differ) | 927.7 mm | 850 mm |
| Payload | 5 kg | 5 kg |
| Degrees of Freedom | 6 | 6 |
| Max TCP Speed (values differ) | — | 1 m/s |
| Robot Weight (values differ) | 22 kg | 20 kg |
| Mounting Options (values differ) | — | floor, ceiling, wall, rail |
| Safety | ||
| Safety Rating (values differ) | ISO 10218-1, ISO/TS 15066 | ISO Class 5 |
| Force/Torque Sensing (values differ) | none | joint level all |
| Safety I/O Pairs (values differ) | — | 16 |
| Duty Cycle (values differ) | — | 24 7 continuous |
| Ease of Use | ||
| Setup Time (values differ) | 1 hrs | — |
| No-Code Capable (values differ) | — | Yes |
| Offline Programming (values differ) | — | Yes |
| Programming Interface (values differ) | no_code_gui | code_python, code_ros |
| End-Effector | ||
| Tool Flange Standard (values differ) | M10 12-pin | iso 9283 |
| Tool Changer Support (values differ) | — | manual |
| Integrated F/T Sensor (values differ) | — | Yes |
| Wrist Power Supply (values differ) | — | 48VDC |
| Software & Connectivity | ||
| SDK Languages (values differ) | — | Python, C++ |
| ROS Compatible (values differ) | — | Yes |
| Fieldbus Protocols (values differ) | — | Modbus TCP |
| Digital Twin Support (values differ) | — | Yes |
| Reliability | ||
| MTBF (values differ) | — | 15,000 hrs |
| Commercial | ||
| Price (USD) (values differ) | $23,500 | $8,999 |
| Warranty (values differ) | — | 1 yrs |
| Lead Time (values differ) | — | 8 wks |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, TCP Speed (Collaborative), Power/Force Limiting, Time to Redeploy, Path Accuracy, CaaS / Month
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes RB5-850E and xArm 850?
RB5-850E is made by Rainbow Robotics Co., Ltd., based in KR. xArm 850 is made by UFACTORY, based in CN.
How much does RB5-850E cost compared to xArm 850?
RB5-850E is listed at $23,500. xArm 850 is listed at $8,999.
How do RB5-850E and xArm 850 compare on the Robolist Product Score?
RB5-850E scores 47/100. xArm 850 scores 46/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
How does the reach of RB5-850E compare to xArm 850?
RB5-850E has a reach of 850 mm. xArm 850 has a reach of 1214 mm.
Are RB5-850E and xArm 850 in the same category?
Both robots are classified as Cobot on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Cobot robots?
Hardware cost is one input. Cobot TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Cobot TCO and Payback Math: Hardware, EOAT, and Zero-Fencing Savings.
What should a buyer ask vendors when choosing between RB5-850E and xArm 850?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Cobot Vendor Red Flags: Questions That Filter Out the Marketing.
Going deeper — picking the right robot
Cobot TCO and Payback Math: Hardware, EOAT, and Zero-Fencing Savings
6 min readCollaborative Robots
Cobot Vendor Red Flags: Questions That Filter Out the Marketing
9 min readCollaborative Robots
Running a Cobot Pilot in a Manual Production Line
9 min readCollaborative Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
About this comparison
RB5-850E vs xArm 850 compares two robots in the cobot category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robolist Product Score is calculated.