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Seeed XIAO ESP32-C6 vs Seeed XIAO ESP32-C3

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 Seeed XIAO ESP32-C6 has an 802.15.4 radio.
  • ›Price: the Seeed XIAO ESP32-C3 is cheaper ($5 vs $5.50).
  • ›Memory: the Seeed XIAO ESP32-C6 has more RAM (512 KB vs 400 KB).
  • ›Battery life: the Seeed XIAO ESP32-C6 sleeps at much lower current (15 µA vs 43 µA).
Specification comparison: Seeed XIAO ESP32-C6, Seeed XIAO ESP32-C3
SpecSeeed XIAO ESP32-C6Seeed XIAO ESP32-C3
ChipESP32-C6ESP32-C3
CPURISC-V single-core + LP coreRISC-V single-core
Clock160 MHz160 MHz
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 4 (802.11 b/g/n)
BluetoothBluetooth 5.3 (LE)Bluetooth 5 (LE)
Zigbee / ThreadYes (best)No
GPIO1111
ADC channels3 × 12-bit4 × 12-bit (best)
Flash4 MB4 MB
RAM512 KB (best)400 KB
Logic level3.3 V3.3 V
Power input5V USB-C / LiPo5V USB-C / LiPo
Deep sleep (typ.)~15 µA (best)~43 µA
Active current (typ.)~70 mA~60 mA (best)
Form factorTinyTiny
USBUSB-C (native)USB-C (native)
ProgrammingArduino, MicroPython, ESP-IDFArduino, MicroPython, CircuitPython, ESP-IDF
Price (typ.)$5.50$5 (best)
Pinout—Interactive pinout
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Buy: Seeed XIAO ESP32-C6

Buy: Seeed XIAO ESP32-C3

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