Comparison page

ESP32 vs ESP8266

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

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

ESP8266

Maker and embedded projects needing Wi-Fi 4 connectivity with Very low cost and Huge community.

Specification Matrix

DimensionESP32ESP8266
CategoryWiFi MCUsWiFi MCUs
MakerEspressif SystemsEspressif Systems
CoreDual-core Xtensa LX6Single-core Tensilica L106
Clock240 MHz80 / 160 MHz
WirelessWi-Fi 4 + Bluetooth 4.2 + BLEWi-Fi 4
Voltage3.3V3.3V
LibrariesArduino, MicroPythonArduino, MicroPython
Price$1.20 - $2.20$0.50 - $1.20

Known Tradeoffs

ESP32

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

ESP8266

  • 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