Comparison page

ESP32-S3 vs GD32W515

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-S3

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

GD32W515

Maker and embedded projects needing Wi-Fi 4 connectivity with Arm Cortex-M33 and Wi-Fi.

Specification Matrix

DimensionESP32-S3 GD32W515

CategoryWiFi MCUsWiFi MCUs

MakerEspressif SystemsGigaDevice

CoreDual-core Xtensa LX7Arm Cortex-M33

Clock240 MHz180 MHz

WirelessWi-Fi 4 + BLE 5.0Wi-Fi 4

Voltage3.3V3.3V

LibrariesArduino, MicroPythonNeeds verification

Price$1.50 - $2.50$1.50 - $3.00

Known Tradeoffs

ESP32-S3

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

GD32W515

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-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

GD32W515

GigaDevice

China-made Arm Cortex-M wireless MCU combining GigaDevice MCU ecosystem with Wi-Fi connectivity.

China-madeWiFi MCUs75% confidence