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Seeed XIAO ESP32-C3 vs Seeed XIAO ESP32-S3

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

The short version

  • ›Price: the Seeed XIAO ESP32-C3 is cheaper ($5 vs $7.50).
  • ›Speed: the Seeed XIAO ESP32-S3 runs faster (240 MHz vs 160 MHz).
  • ›Memory: the Seeed XIAO ESP32-S3 has more RAM (512 KB vs 400 KB).
  • ›Battery life: the Seeed XIAO ESP32-S3 sleeps at much lower current (14 µA vs 43 µA).
Specification comparison: Seeed XIAO ESP32-C3, Seeed XIAO ESP32-S3
SpecSeeed XIAO ESP32-C3Seeed XIAO ESP32-S3
ChipESP32-C3ESP32-S3R8
CPURISC-V single-coreXtensa LX7 dual-core
Clock160 MHz240 MHz (best)
Wi-FiWi-Fi 4 (802.11 b/g/n)Wi-Fi 4 (802.11 b/g/n)
BluetoothBluetooth 5 (LE)Bluetooth 5 (LE)
Zigbee / ThreadNoNo
GPIO1111
ADC channels4 × 12-bit9 × 12-bit (best)
Flash4 MB8 MB (best)
RAM400 KB512 KB + 8 MB PSRAM (best)
Logic level3.3 V3.3 V
Power input5V USB-C / LiPo5V USB-C / LiPo
Deep sleep (typ.)~43 µA~14 µA (best)
Active current (typ.)~60 mA (best)~80 mA
Form factorTinyTiny
USBUSB-C (native)USB-C (native)
ProgrammingArduino, MicroPython, CircuitPython, ESP-IDFArduino, MicroPython, CircuitPython, ESP-IDF
Price (typ.)$5 (best)$7.50
PinoutInteractive pinout—
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Buy: Seeed XIAO ESP32-C3

Buy: Seeed XIAO ESP32-S3

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