AI Acceleration
Vector instructions optimized for neural network computation and DSP
Enhanced Connectivity
Wi-Fi 802.11 b/g/n + Bluetooth 5.0 with long range and 2Mbps modes
Rich Memory
Up to 512KB SRAM, 16MB Flash, and 8MB PSRAM for ML models
Native USB OTG
Built-in USB OTG for programming and device applications
ESP32-S3 is powered by a dual-core Xtensa LX7 CPU with vector instructions for AI acceleration. With enhanced connectivity (Wi-Fi + BLE 5.0) and up to 8MB PSRAM, it is ideal for AIoT applications requiring neural network inference.
Technical Specifications
Processor
Xtensa LX7 Dual-Core @ 240MHz
Flash Memory
8MB - 16MB
RAM
512KB SRAM + 8MB PSRAM
GPIO Pins
45 pins
Voltage
3.3V
Features
WiFi 802.11 b/g/n
Bluetooth 5.0 + BLE
AI Acceleration
Native USB OTG
Vector Instructions
Interfaces
UARTSPII2CI2SUSBLCDCamera
Products & Variants
Modules
- ESP32-S3-WROOM-1
- ESP32-S3-WROOM-2
DevKits
- ESP32-S3-DevKitC-1
- ESP32-S3-EYE
Popular Firmwares
ESP-IDF
Official development framework
Arduino
Arduino framework support
TensorFlow Lite
ML inference on edge