Part comparison

ROBOTIS PH42-020-S300-R vs ROBOTIS XH540-W270-R

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

8 shared specs1 scored

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ROBOTISROBOTIS PH42-020-S300-RPH42-020-S300-R

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ROBOTISROBOTIS XH540-W270-RXH540-W270-R

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Directional spec summary

Counts across 1 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

8 specifications compared side by side.

ROBOTIS PH42-020-S300-R / ROBOTIS XH540-W270-R
Compare bySpecification	AROBOTISROBOTIS PH42-020-S300-R	BROBOTISROBOTIS XH540-W270-R
Physical1
Weight	340 g	165 g175 g lower
Mechanical & integration4
Motor kind	Smart servo	Smart servo
Drive principle	servo actuator	servo actuator
ArchitectureUse-dependent	Integrated motor controller reducer network	Servo module
Gear ratioUse-dependent	303.75:1	272.5:1
Control & communication3
EncoderUse-dependent	integrated position sensor	absolute
Communication interfaces	RS485	RS485
Control modesUse-dependent	position;velocity;current/PWM;feedback	position;velocity;current;PWM

AROBOTISROBOTIS PH42-020-S300-R

BROBOTISROBOTIS XH540-W270-R

Physical1

Weight

Part A340 g

Part B165 g175 g lower

Mechanical & integration4

Motor kind

Part ASmart servo

Part BSmart servo

Drive principle

Part Aservo actuator

Part Bservo actuator

ArchitectureUse-dependent

Part AIntegrated motor controller reducer network

Part BServo module

Gear ratioUse-dependent

Part A303.75:1

Part B272.5:1

Control & communication3

EncoderUse-dependent

Part Aintegrated position sensor

Part Babsolute

Communication interfaces

Part ARS485

Part BRS485

Control modesUse-dependent

Part Aposition;velocity;current/PWM;feedback

Part Bposition;velocity;current;PWM

Product sources

Product sources used by this comparison

ROBOTIS PH42-020-S300-ROpen source ↗

ROBOTIS XH540-W270-ROpen source ↗