Comparison page

ESP32-S3 vs HLK-M30

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

ESP32-S3

Maker and embedded projects needing Wi-Fi 4 + BLE 5.0 connectivity with AI Acceleration and USB OTG.

HLK-M30

Maker and embedded projects needing Wi-Fi 4 connectivity with Transparent serial and Module.

Specification Matrix

DimensionESP32-S3 HLK-M30

CategoryWiFi MCUsWiFi MCUs

MakerEspressif SystemsHi-Link

CoreDual-core Xtensa LX7Embedded Wi-Fi MCU

Clock240 MHzVendor module

WirelessWi-Fi 4 + BLE 5.0Wi-Fi 4

Voltage3.3V3.3V

LibrariesArduino, MicroPythonNeeds verification

Price$1.50 - $2.50$1.50 - $3.00

Known Tradeoffs

ESP32-S3

Module naming, flash size, and pin exposure vary by vendor board
English examples and library support should be verified before production use

HLK-M30

Module naming, flash size, and pin exposure vary by vendor board
English examples and library support should be verified before production use

Open Individual Model Pages

ESP32-S3

Espressif Systems

Dual-core Wi-Fi and Bluetooth LE MCU with vector instructions, native USB, camera, and display interfaces for AIoT devices.

China-madeWiFi MCUs98% confidence

HLK-M30

Hi-Link

Wi-Fi module commonly used for serial transparent transmission and quick IoT connectivity in maker products.

China-madeWiFi MCUs72% confidence