Abaixo, são apresentadas as informações do microcontrolador ESP32 VS ESP8266:
| Comparison | ESP32 | ESP8266 |
|---|---|---|
| Clock Frequency | 160 or 240 MHz | 80 MHz |
| Bluetooth | BLE | No |
| Hall Sensor | Yes | No |
| Camera Interface | No | No |
| Temperature Sensor | Yes | No |
| Touch Sensor | 10 | No |
| Security | Security Boot flash encryption. OTP 1024-bit | No |
| Low Power Consumption | 10uA deep sensor | 20uA |
| Temperature | Yes | No |
| Co-Processor | ULP | No |
| Total GPIO | 39 | 17 |
| Crypto | RSA, RNG, ECC, SHA-2, AES | No |
| SPI | 4 | 2 |
| USB OTG | No | No |
| Microcontroller | Single or dual-core 32-bit LX6 Xtensa | Single core 32-bit L106 Xtensa |
| ROM | 448 KB | No |
| CAN | 2 | No |
| Ethernet | 10/100 Mbps | No |
| External SPIRAM | Up to 16 MB | Up to 16 MB |