Comparison page

BL702 vs ESP32

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

Maker and embedded projects needing Wi-Fi 4 + Bluetooth 4.2 + BLE connectivity with Mature ecosystem and Arduino.

Specification Matrix

DimensionBL702ESP32
CategoryWiFi MCUsWiFi MCUs
MakerBouffalo LabEspressif Systems
Core32-bit RISC-VDual-core Xtensa LX6
Clock144 MHz240 MHz
WirelessBLE 5.0 + Thread + ZigbeeWi-Fi 4 + Bluetooth 4.2 + BLE
Voltage3.3V3.3V
LibrariesNeeds verificationArduino, MicroPython
Price$0.40 - $0.90$1.20 - $2.20

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

  • 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