Board Technical Specifications Comparison
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Espressif ESP32-S2-Saola vs. Next Thing Co. CHIP
ESP32-S2-Saola |
CHIP |
|
| Manufacturer | Espressif | Next Thing Co. |
| Price | $ 8.0 | $ 9.0 |
| SoC | Espressif ESP32-S2 (WROVER or WROOM) | AllWinner R8 |
| CPU | 1× Tensilica Xtensa LX7 (RISC) @ 240 Mhz | 1× ARM Cortex-A8 @ 1.0 Ghz |
| GPU | - | Mali-400 |
| RAM | 2.0 MiB | 1.0 GiB DDR3 |
| eMMC | 1 × soldered | 1 × soldered |
| USB |
1 of which support USB-OTG |
1 × host port 1 of which support USB-OTG |
| Ethernet | ||
| Wi-Fi |
On-board Wi-Fi without external antenna 2.4Ghz b/g/n |
On-board Wi-Fi without external antenna 2.4Ghz b/g/n |
| Bluetooth | - | onboard |
| Camera | up to 1 x inputs | up to 1 x inputs |
| Audio | - |
1 × outputs 1 × mic-in |
| GPIO | 43 | 12 |
| PWM | 8 | 1 |
| ADC | 2 | - |
| I2C | 2 | 1 |
| SPI | 4 | 1 |
| UART | 2 | 1 |
| Dimensions | 54 mm x 28 mm | 60 mm x 40 mm x 12 mm |
| Software | - | Linux: True |