Comparison page
ESP32-C3 vs RTL8720DN
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.
RTL8720DN
Maker and embedded projects needing 2.4 GHz Wi-Fi + 5 GHz Wi-Fi + BLE connectivity with Dual-band Wi-Fi and Ameba.
Specification Matrix
CategoryWiFi MCUsWiFi MCUs
MakerEspressif SystemsRealtek
CoreSingle-core 32-bit RISC-VArm Cortex-M4 + Cortex-M0
Clock160 MHz200 MHz class
WirelessWi-Fi 4 + BLE 5.02.4 GHz Wi-Fi + 5 GHz Wi-Fi + BLE
Voltage3.3V3.3V
LibrariesArduino, MicroPythonArduino
Price$0.70 - $1.20$2.00 - $4.00
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
RTL8720DN
- Module naming, flash size, and pin exposure vary by vendor board
- English examples and library support should be verified before production use