Part comparison

Unitree A1 vs Unitree H1 knee joint unit proprietary

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

9 shared specs1 scored

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Unitree RoboticsUnitree A1A1

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Unitree RoboticsUnitree H1 knee joint unit proprietaryH1 knee joint unit

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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

9 specifications compared side by side.

Unitree A1 / Unitree H1 knee joint unit proprietary
Compare bySpecification	AUnitree RoboticsUnitree A1	BUnitree RoboticsUnitree H1 knee joint unit proprietary
Performance1
Peak torque	33.5 Nm	360 Nm326.5 Nm higher
Mechanical & integration6
Motor kind	QDD actuator	QDD actuator
Drive principle	BLDC/PMSM	BLDC/PMSM
Architecture	Integrated motor reducer driver	Integrated motor reducer driver
QDD	Yes	Yes
Backdrivable	Yes	Yes
Integrated driver	Yes	Yes
Control & communication2
Communication interfacesUse-dependent	RS485	EtherCAT;DDS;vendor
Control modes	position;velocity;torque	position;velocity;torque

AUnitree RoboticsUnitree A1

BUnitree RoboticsUnitree H1 knee joint unit proprietary

Performance1

Peak torque

Part A33.5 Nm

Part B360 Nm326.5 Nm higher

Mechanical & integration6

Motor kind

Part AQDD actuator

Part BQDD actuator

Drive principle

Part ABLDC/PMSM

Part BBLDC/PMSM

Architecture

Part AIntegrated motor reducer driver

Part BIntegrated motor reducer driver

QDD

Part AYes

Part BYes

Backdrivable

Part AYes

Part BYes

Integrated driver

Part AYes

Part BYes

Control & communication2

Communication interfacesUse-dependent

Part ARS485

Part BEtherCAT;DDS;vendor

Control modes

Part Aposition;velocity;torque

Part Bposition;velocity;torque

Product sources

Product sources used by this comparison

Unitree A1Open source ↗

Unitree H1 knee joint unit proprietaryOpen source ↗