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ESP32-C3 DevKitM-1 vs ESP32-C6 DevKitC-1

Specs side by side, with the best value in each row highlighted. Choose different boards below to build your own comparison.

The short version

  • ›Thread / Zigbee: only the ESP32-C6 DevKitC-1 has an 802.15.4 radio.
  • ›Price: the ESP32-C3 DevKitM-1 is cheaper ($9 vs $10).
  • ›Memory: the ESP32-C6 DevKitC-1 has more RAM (512 KB vs 400 KB).
  • ›Pins: the ESP32-C6 DevKitC-1 offers more GPIO (22 vs 15).
Specification comparison: ESP32-C3 DevKitM-1, ESP32-C6 DevKitC-1
SpecESP32-C3 DevKitM-1ESP32-C6 DevKitC-1
ChipESP32-C3-MINI-1ESP32-C6-WROOM-1
CPURISC-V single-coreRISC-V single-core + LP core
Clock160 MHz160 MHz
Wi-FiWi-Fi 4 (802.11 b/g/n)Wi-Fi 6 (802.11ax)
BluetoothBluetooth 5 (LE)Bluetooth 5.3 (LE)
Zigbee / ThreadNoYes (best)
GPIO1522 (best)
ADC channels6 × 12-bit7 × 12-bit (best)
Flash4 MB8 MB (best)
RAM400 KB512 KB (best)
Logic level3.3 V3.3 V
Power input5V USB5V USB-C
Deep sleep (typ.)~5 µA (best)~7 µA
Active current (typ.)~60 mA (best)~70 mA
Form factorBreadboardBreadboard
USBMicro-USB (+ native USB serial/JTAG)2× USB-C
ProgrammingArduino, MicroPython, ESP-IDF, PlatformIOArduino, MicroPython, ESP-IDF, PlatformIO
Price (typ.)$9 (best)$10
Pinout——
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Buy: ESP32-C3 DevKitM-1

Buy: ESP32-C6 DevKitC-1

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