ChipScout

Comparison page

ESP32-C3 vs ESP32-S3

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-C3

Maker and embedded projects needing Wi-Fi 4 + BLE 5.0 connectivity with RISC-V and Secure Boot.

ESP32-S3

Maker and embedded projects needing Wi-Fi 4 + BLE 5.0 connectivity with AI Acceleration and USB OTG.

Specification Matrix

DimensionESP32-C3ESP32-S3
CategoryWiFi MCUsWiFi MCUs
MakerEspressif SystemsEspressif Systems
CoreSingle-core 32-bit RISC-VDual-core Xtensa LX7
Clock160 MHz240 MHz
WirelessWi-Fi 4 + BLE 5.0Wi-Fi 4 + BLE 5.0
Voltage3.3V3.3V
LibrariesArduino, MicroPythonArduino, MicroPython
Price$0.70 - $1.20$1.50 - $2.50

Known Tradeoffs

ESP32-C3

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

ESP32-S3

  • 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

ESP32-C3

Espressif Systems

Single-core RISC-V Wi-Fi and Bluetooth LE MCU used for compact, low-cost IoT devices and ESP8266 replacement designs.

China-madeWiFi MCUs97% confidence

ESP32-S3

Espressif Systems

Dual-core Wi-Fi and Bluetooth LE MCU with vector instructions, native USB, camera, and display interfaces for AIoT devices.

China-madeWiFi MCUs98% confidence