Part comparison

ROBOTIS EX-106+ vs ROBOTIS RX-28

A side-by-side comparison of source-backed specifications within the same subcategory.

16 shared specs3 scored

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ROBOTISROBOTIS EX-106+EX-106+

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ROBOTISROBOTIS RX-28RX-28

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Directional spec summary

Counts across 3 numeric specifications with a clear higher-or-lower direction.

Part A leads

Tied

Part B leads

These are metric-by-metric differences, not an overall performance score. Check the values below.

Specifications

16 specifications compared side by side.

ROBOTIS EX-106+ / ROBOTIS RX-28
Compare bySpecification	AROBOTISROBOTIS EX-106+	BROBOTISROBOTIS RX-28
Physical4
LengthUse-dependent	46 mm	35.5 mm
WidthUse-dependent	40.2 mm	35.6 mm
HeightUse-dependent	65.1 mm	50.6 mm
Weight	154 g	72 g82 g lower
Performance2
Stall torque	10.9 Nm7.2 Nm higher	3.7 Nm
Maximum speed	91 rpm6 rpm higher	85 rpm
Electrical3
Nominal voltage	14.8 V	14.8 V
Minimum voltage	12 V	12 V
Maximum voltage	18.5 V	18.5 V
Mechanical & integration4
Motor kind	Smart servo	Smart servo
Drive principle	servo actuator	servo actuator
Architecture	Integrated motor controller reducer network	Integrated motor controller reducer network
Gear ratioUse-dependent	184:1	193:1
Control & communication3
Encoder	integrated position sensor	integrated position sensor
Communication interfaces	RS485	RS485
Control modes	position;velocity;current/PWM;feedback	position;velocity;current/PWM;feedback

AROBOTISROBOTIS EX-106+

BROBOTISROBOTIS RX-28

Physical4

LengthUse-dependent

Part A46 mm

Part B35.5 mm

WidthUse-dependent

Part A40.2 mm

Part B35.6 mm

HeightUse-dependent

Part A65.1 mm

Part B50.6 mm

Weight

Part A154 g

Part B72 g82 g lower

Performance2

Stall torque

Part A10.9 Nm7.2 Nm higher

Part B3.7 Nm

Maximum speed

Part A91 rpm6 rpm higher

Part B85 rpm

Electrical3

Nominal voltage

Part A14.8 V

Part B14.8 V

Minimum voltage

Part A12 V

Part B12 V

Maximum voltage

Part A18.5 V

Part B18.5 V

Mechanical & integration4

Motor kind

Part ASmart servo

Part BSmart servo

Drive principle

Part Aservo actuator

Part Bservo actuator

Architecture

Part AIntegrated motor controller reducer network

Part BIntegrated motor controller reducer network

Gear ratioUse-dependent

Part A184:1

Part B193:1

Control & communication3

Encoder

Part Aintegrated position sensor

Part Bintegrated position sensor

Communication interfaces

Part ARS485

Part BRS485

Control modes

Part Aposition;velocity;current/PWM;feedback

Part Bposition;velocity;current/PWM;feedback

Product sources

Product sources used by this comparison

ROBOTIS EX-106+Open source ↗

ROBOTIS RX-28Open source ↗