DOBOT MG400 vs Elephant Robotics myArm M750: Robot Comparison
Updated: 5 hours ago
IN A NUTSHELL
🔎 THE KEY DIFFERENCE Both are compared at 0.5 kg. Elephant Robotics myArm M750 has the longer stated stated reach, which may help reach separated fixtures; it does not guarantee access at every tool angle. Their 4- and 6-axis mechanisms also offer different movement options. |
→ CONSIDER DOBOT MG400 Consider it when its stated load and reach already cover your task and its controls fit your equipment. This article compares 0.5 kg and a 440 mm stated reach; include the gripper and part in the load. |
→ CONSIDER Elephant Robotics myArm M750 Consider it when reaching farther matters more than the higher payload of the alternative. This article compares 0.5 kg and a 750 mm stated reach; include the gripper and part in the load. |
💡 THE TAKEAWAY Check the required tool angles and approach path: different axis counts change movement options. Choose only after both suppliers demonstrate the loaded task and quote the same complete installation. |
DOBOT MG400 vs Elephant Robotics myArm M750 is a choice about desktop production, education and motion architecture. DOBOT MG400 and Elephant Robotics myArm M750 differ in their working envelope, loading assumptions and engineering ecosystem. A useful decision starts with the exact mechanism and process, then checks whether either robot can execute the required path with the real tool attached. This comparison separates documented specifications from application-level engineering judgments.
DOBOT MG400 vs Elephant Robotics myArm M750: quick verdict
Shortlist DOBOT MG400 for rated 0.5 kg bench-top pick-and-place or dispensing with a level tool. Shortlist Elephant Robotics myArm M750 for teleoperation experiments and embodied-AI data collection at a 0.5 kg rated load. The intended roles differ: select a teaching or research package against its learning and development requirements, and a production arm against its loaded process and commissioning requirements.
The numerical comparison below uses DOBOT MG400 against Elephant Robotics myArm M750. The stated model scope matters when comparing later revisions or differently equipped installations. Published repeatability describes return to a taught position under specified conditions; it does not establish complete-cell accuracy or prove a faster production cycle.
Specifications and exact configuration scope
Criterion | DOBOT MG400 | Elephant Robotics myArm M750 |
|---|---|---|
Comparison configuration | DOBOT MG400 | Elephant Robotics myArm M750 |
Payload used for comparison | 0.5 kg | 0.5 kg |
Reach / motion-area reference | 440 mm | 750 mm |
Axes | 4 | 6 |
Repeatability for this scope | ±0.05 mm | ±1 mm |
Controller reference | Integrated in the base | the supplied model-specific control package |
Purchase-price basis | Configuration-specific quotation | Configuration-specific quotation |
Purchase pricing | From $2,600 (arm list price) | From $1,999 (arm list price) |
Read the reach row together with the geometric notes below. Manufacturers may specify an arm-link sum, a wrist-centre motion area or reach to the flange; those dimensions are not interchangeable. The table does not establish access to every point at every tool angle. Controller references identify reviewed packages, and actual compatibility must be confirmed by model, software version and region.
DOBOT MG400: design and configuration
The MG400 is a four-axis desktop production arm with an integrated controller, 440 mm working radius and ±0.05 mm repeatability. This comparison uses the 0.5 kg rated payload; the separately stated 0.75 kg maximum is not an unrestricted replacement for that rating. Its motion is suited to level pick-and-place, sorting and dispensing. It cannot independently pitch and roll the tool like a six-axis arm. TCP/IP and Modbus TCP can support a machine interface, but the required end-effector I/O, safety integration and actual software version belong in the cell specification.
Elephant Robotics myArm M750: design and configuration
The myArm M750 is a teleoperation and embodied-AI research platform with six arm axes plus a gripper axis. The reviewed rated payload is 0.5 kg at a 750 mm horizontal reach, with ±1 mm repeatability. A separately published 1 kg peak load must not replace the rated load in a repetitive production calculation. Its follower-arm role, USB-C connection and Python/ROS workflow can suit data collection and learning experiments. Gripper motion is not a seventh arm axis providing an extra elbow posture. Validate the operator interface, recording pipeline and actual experimental motion rather than applying a production-cycle assumption.
For this pair, Elephant Robotics myArm M750 offers 0.5 kg over the stated 750 mm reference, compared with 0.5 kg and 440 mm for DOBOT MG400 example. Elephant Robotics myArm M750 has the larger stated distance by 310 mm, but this difference is only a preliminary layout indicator because reference points and joint envelopes can differ. Locate the actual fixture in each manufacturer model before treating this as usable extra working space.
Payload, tooling and a worked load example
Consider an illustrative total wrist load of 0.4 kg: a 0.1 kg tool and adapter package carrying a 0.3 kg part or product group. This arithmetic leaves 0.1 kg below the DOBOT MG400 example’s nominal limit and 0.1 kg below Elephant Robotics myArm M750’s nominal limit. These are mass differences, not safety factors or a validated load approval. A heavy camera, valve block or retained material must be included before recalculating the total.
The example exposes the practical question: is the application limited by mass, by tool offset or by wrist rotation? DOBOT MG400 is the lower-or-equal nominal payload choice in this pair. Elephant Robotics myArm M750 offers more or equal headline mass capacity, but that alone cannot approve an eccentric fixture. Moving the same mass farther from the flange increases the moment, and spreading it increases rotational inertia. Manufacturer load diagrams and the actual centre of gravity govern the final allowable motion.
Model the empty, partly loaded and fully loaded tool states separately. A vacuum layer gripper, a weld torch with hoses or an inspection head may change its effective loading during the cycle. Set the controller’s load data for each supported state and validate the transition logic. A payload table cannot predict acceleration derating, cable pull or transient reactions at a machine interface.
Reach, orientation and fixture access
Build the same cell model for both candidates: base height, machine opening, fixture datum, maximum part size, tool extension and access for maintenance. DOBOT MG400 provides a stated 440 mm reference, while Elephant Robotics myArm M750 provides 750 mm. Check the deepest production pose and the return path with the loaded tool. An arm that just touches the target at full extension may have little freedom left to turn, retract or avoid a door.
The MG400 positions and rotates a level tool with four arm axes. The Elephant Robotics myArm M750 has six arm axes, so its wrist can address orientation exercises outside a four-axis mechanism’s scope, subject to its own joint limits and small payload. A longer radius or an extra wrist angle does not establish equivalent precision, production duty or cycle time. Demonstrate the complete approach, tool rotation and exit with the actual fixture.
Precision and throughput: compare the same task
The comparison uses ±0.05 mm for DOBOT MG400 and ±1 mm for Elephant Robotics myArm M750. These figures should be read in their documented configuration scope. Repeatability is not absolute accuracy, camera calibration accuracy or finished-part capability. Fixture variation, TCP calibration, thermal conditions and tool compliance can dominate the error at the process point, especially when the tool extends far from the flange.
Ask each integrator to execute the same representative path with the same payload model, tool length, process dwell and stop conditions. Report transfer time, settling time, process time and waiting time separately. Published standard cycles often use different loads and distances; dividing one catalogue cycle by another would not establish the production advantage of DOBOT MG400 over Elephant Robotics myArm M750. Use a measured or validated application cycle before assigning a throughput benefit.
Programming, controls and production integration
DOBOT MG400 is paired here with Integrated in the base, while Elephant Robotics myArm M750 uses the supplied model-specific control package. Controller names identify the review baseline rather than a guarantee that all interface options are included. Compare the actual software revision, teaching workflow, diagnostic tools, fieldbus licences and recovery procedures. An existing trained team and reusable production code may outweigh a small dimensional advantage. Obtain a demonstration of the same machine handshake and interrupted-cycle recovery on both platforms.
Specify the PLC handshakes before ordering: cycle request, ready, busy, complete, fault, part present and recovery authorization. Define how an interrupted operation resumes without repeating a dangerous or quality-critical action. Vision, force sensing, fieldbus communication and external-axis coordination must be checked as explicit included or optional functions. An Ethernet connector does not by itself prove that a particular industrial protocol or software interface is licensed and supported.
Configuration and communication detail
Integration reference | DOBOT MG400 | Elephant Robotics myArm M750 |
|---|---|---|
Control package | Integrated in the base | the supplied model-specific control package |
Documented interface baseline | TCP/IP, Modbus TCP | Specify required interfaces in the delivered package |
Programming baseline | DobotStudio Pro; confirm version and controller | Named platform software and supported API; confirm supplied version |
Integration acceptance | Test the actual machine handshake and controlled recovery | Test the same handshake and controlled recovery |
Protection, installation and maintenance
Match the precise protection package to the process. Standard, protected, cleanroom, foundry and washing configurations can have different seals, services and maintenance requirements. Do not transfer the best optional IP or cleanroom rating to an unprotected base model. Check the controller location, cable bend radius, available lifting access and base reactions with the installer.
Treat safe operation as a property of the complete task and installation. Include the tool, sharp workpiece edges, trapping points, dropped loads and machine access. These robot systems require task-specific safeguarding; payload or compact size does not establish safe unguarded operation. Plan tool replacement and fault recovery without dismantling the whole installation, and include connector access, lubrication and spare-cable replacement in the maintenance layout.
Price and lifecycle value
Published arm list prices: DOBOT MG400 is listed from $2,600 and Elephant Robotics myArm M750 is listed from $1,999. Request configuration-specific quotations for DOBOT MG400 and Elephant Robotics myArm M750. An arm-only number is not the price of a commissioned production cell. Ask for separate line items for controller, pendant, communication options, end effector, safety equipment, installation, acceptance, training and warranty. Price changes, regional support and included software can reverse an apparent hardware-cost advantage. Compare the same delivered scope before calculating payback.
Compare the installed production scope: tool, fixtures, sensing, guarding, machine interface, programming, acceptance and training. For small-parts automation, include feeders, vision calibration, nests and rejected-part handling. Keep purchase cost and recurring support costs separate. No payback figure is defensible until the actual cycle, yield, utilization and installation quotation are known.
Selection and acceptance plan
Decision gate | DOBOT MG400 | Elephant Robotics myArm M750 |
|---|---|---|
Strongest documented fit | rated 0.5 kg bench-top pick-and-place or dispensing with a level tool | teleoperation experiments and embodied-AI data collection at a 0.5 kg rated load |
Main boundary | Four arm axes do not provide independent pitch and roll; use the rated 0.5 kg load, not the separate 0.75 kg maximum. | Six arm axes plus a gripper axis are not seven arm axes; the 1 kg peak is not the repetitive rated load. |
Required approval | Exact DOBOT variant, tool load and validated process path | Exact competitor revision, tool load and validated process path |
Acceptance evidence | Agreed parts, path, quality and recovery results | The same agreed parts, path, quality and recovery results |
Advance DOBOT MG400 when rated 0.5 kg bench-top pick-and-place or dispensing with a level tool solves the real constraint and its selected configuration passes the load and access checks. Advance Elephant Robotics myArm M750 when teleoperation experiments and embodied-AI data collection at a 0.5 kg rated load provides the more suitable process arrangement. Reject either candidate if a mandatory pose, protection requirement or controller function cannot be demonstrated. A purchasing shortlist should preserve these conditions instead of converting a single catalogue advantage into a blanket recommendation.
Before acceptance, agree the representative parts, tool states, operating sequence and quality criteria with both suppliers. Demonstrate cold start, normal production, rejected parts, interrupted cycles and controlled recovery. Record the final tool data and software backup. This turns the comparison into a repeatable purchasing decision and helps prevent a later fixture change from invalidating the original robot selection.
Motion architecture and functionality
DOBOT MG400 has 4 arm axes and Elephant Robotics myArm M750 has 6 arm axes. A four-axis mechanism cannot independently supply every pitch and roll angle. Assess whether the tool must stay level or be presented at varying attitudes. The M750 gripper actuator is additional to its six arm axes; it is not an extra elbow joint. Compare tool detection, sensing, machine I/O and recovery as separate delivered functions.
Industries and application fit
This pair spans bench-top production and supervised education or research. The MG400 can be considered for lightweight sorting, pick-and-place and dispensing when a level tool is sufficient. Elephant Robotics myArm M750 should be evaluated against its documented learning, development or miniature-handling role. Select the intended result first: a repeatable factory process, a programming curriculum or an experimental control pipeline. Do not claim an industrial deployment or regulated-process suitability from these specifications alone.
Selection issue | DOBOT MG400 | Elephant Robotics myArm M750 |
|---|---|---|
Tool and workpiece mass | 0.5 kg named scope; include the complete tool | 0.5 kg named scope; include the complete tool |
Working reference | 440 mm | 750 mm |
Main configuration boundary | Four arm axes do not provide independent pitch and roll; use the rated 0.5 kg load, not the separate 0.75 kg maximum. | Six arm axes plus a gripper axis are not seven arm axes; the 1 kg peak is not the repetitive rated load. |
Process approval | Demonstrate the actual loaded path and recovery | Demonstrate the same loaded path and recovery |
Frequently asked questions
Which robot is better for this application?
DOBOT MG400 is the stronger starting point for rated 0.5 kg bench-top pick-and-place or dispensing with a level tool, while Elephant Robotics myArm M750 is worth shortlisting for teleoperation experiments and embodied-AI data collection at a 0.5 kg rated load. The final choice depends on the real loaded path, required protection, controls and acceptance results. Neither a higher payload nor a longer reach establishes a universal winner.
What payload should I use for the comparison?
Use 0.5 kg for the specified DOBOT MG400 example and 0.5 kg for Elephant Robotics myArm M750, subject to all documented load and orientation conditions. Include the tool, adapters, sensors and carried part. Six arm axes plus a gripper axis are not seven arm axes; the 1 kg peak is not the repetitive rated load.
Does the stated reach guarantee access to my fixture?
No. The comparison gives 440 mm for DOBOT MG400 and 750 mm for Elephant Robotics myArm M750 using the stated model references. Joint limits, reach reference points, wrist orientation, tool length and collisions determine whether the actual fixture is accessible. Simulate the full approach and exit path.
Can I use the best specifications from every family variant?
No. Keep each named model and revision intact. A different arm length, controller generation or protection option can change the relevant specification. Do not combine one version’s maximum payload with another version’s maximum reach.
Is repeatability the same as finished-part accuracy?
No. The stated values are ±0.05 mm for DOBOT MG400 scope and ±1 mm for the competitor scope. Finished-part results also depend on fixtures, TCP calibration, sensing, thermal conditions and tool compliance. Validate the actual process instead of treating catalogue repeatability as a complete accuracy guarantee.
How should purchase prices be compared?
Use current written quotations for DOBOT MG400 and Elephant Robotics myArm M750 with the same arm, controller, software, tooling and commissioning scope. This comparison does not represent an ATC sales offer or stock confirmation. Historical review figures are not a substitute for a configuration-specific purchase quotation.
Can these robots operate safely next to people without guarding?
These specifications do not establish a safe unguarded installation. Assess the complete task, tool, load and machine interface, then implement and validate the required safeguarding and operating procedures. Do not infer collaborative operation from a compact arm, limited payload or education setting.
What should an acceptance test compare?
Use the same parts, actual tool load, fixture locations, path and quality criteria for DOBOT MG400 and Elephant Robotics myArm M750. Check production timing, settling, interruptions and recovery. Include the most difficult loaded approach and retreat. Approve the exact delivered configuration and preserve its final settings.
Related ATC reviews
Specifications describe the model scope identified above. Purchase pricing requires a current configuration-specific quotation. Confirm current manufacturer documentation, local supply, controller compatibility and the exact configuration before purchase.
