Comparison page

BL702 vs ESP32-H2

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.

BL702

Maker and embedded projects needing BLE 5.0 + Thread + Zigbee connectivity with BLE and Thread.

ESP32-H2

Maker and embedded projects needing BLE 5.3 + Thread + Zigbee connectivity with Matter and Thread.

Specification Matrix

DimensionBL702 ESP32-H2

CategoryWiFi MCUsWiFi MCUs

MakerBouffalo LabEspressif Systems

Core32-bit RISC-VSingle-core 32-bit RISC-V

Clock144 MHz96 MHz

WirelessBLE 5.0 + Thread + ZigbeeBLE 5.3 + Thread + Zigbee

Voltage3.3V3.3V

LibrariesNeeds verificationArduino

Price$0.40 - $0.90$0.70 - $1.40

Known Tradeoffs

BL702

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

ESP32-H2

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

BL702

Bouffalo Lab

RISC-V Bluetooth LE, Zigbee, and Thread MCU for low-power wireless peripherals and smart home accessories.

China-madeWiFi MCUs78% confidence

ESP32-H2

Espressif Systems

RISC-V Bluetooth LE, Zigbee, and Thread MCU for low-power Matter accessories without Wi-Fi.

China-madeWiFi MCUs93% confidence