Comparison page

ESP32-C3 vs RTL8720CF

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.

RTL8720CF

Maker and embedded projects needing Wi-Fi 4 + BLE connectivity with Ameba and Wi-Fi.

Specification Matrix

DimensionESP32-C3 RTL8720CF

CategoryWiFi MCUsWiFi MCUs

MakerEspressif SystemsRealtek

CoreSingle-core 32-bit RISC-VArm Cortex-M4 class

Clock160 MHz200 MHz class

WirelessWi-Fi 4 + BLE 5.0Wi-Fi 4 + BLE

Voltage3.3V3.3V

LibrariesArduino, MicroPythonNeeds verification

Price$0.70 - $1.20$1.20 - $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

RTL8720CF

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

RTL8720CF

Realtek

Compact Realtek Wi-Fi and Bluetooth LE MCU variant used in Ameba-series modules and low-cost IoT boards.

China-madeWiFi MCUs72% confidence