ChipScout

Comparison page

ESP32-S2 vs RTL8730E

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-S2

Maker and embedded projects needing Wi-Fi 4 connectivity with USB OTG and Security.

RTL8730E

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

Specification Matrix

DimensionESP32-S2RTL8730E
CategoryWiFi MCUsWiFi MCUs
MakerEspressif SystemsRealtek
CoreSingle-core Xtensa LX7Arm Cortex class
Clock240 MHz200 MHz class
WirelessWi-Fi 4Wi-Fi + BLE
Voltage3.3V3.3V
LibrariesArduino, MicroPythonNeeds verification
Price$1.00 - $1.80$1.50 - $3.00

Known Tradeoffs

ESP32-S2

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

RTL8730E

  • 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-S2

Espressif Systems

Single-core Wi-Fi MCU with native USB and strong security features but without Bluetooth.

China-madeWiFi MCUs95% confidence

RTL8730E

Realtek

Realtek wireless MCU family member targeting Wi-Fi and Bluetooth IoT modules with vendor SDK support.

China-madeWiFi MCUs65% confidence