esp32 vs  esp8266 vs  esp12E vs esp12F

esp32 vs  esp8266 vs  esp12E vs esp12F esp32 vs  esp8266 vs  esp12E vs esp12F

Comparison of the ESP32, ESP8266, ESP12E, and ESP12F microcontroller modules:

ParameterESP32ESP8266ESP12EESP12F
ManufacturerEspressifEspressifEspressifEspressif
CPUDual-core Xtensa LX6Single-core Xtensa LX106Single-core Xtensa LX106Single-core Xtensa LX106
Clock SpeedUp to 240 MHzUp to 80 MHzUp to 80 MHzUp to 80 MHz
Flash Memory4 MB512 KB or 4 MB4 MB4 MB
RAM520 KB80 KB or 160 KB80 KB80 KB
Wi-Fi802.11 b/g/n802.11 b/g/n802.11 b/g/n802.11 b/g/n
BluetoothBluetooth 4.2NoNoNo
GPIO Pins34171717
UART3111
SPI4222
I2C2111
ADC12-bit SAR ADC10-bit ADC10-bit ADC10-bit ADC
PWM16666
Operating Voltage3.3V3.3V3.3V3.3V
Operating Temperature-40°C to 85°C-40°C to 125°C-40°C to 125°C-40°C to 125°C

Please note Specifications provided in the table may vary depending on the specific module version and variations within each module family.

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