Board Technical Specifications Comparison

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Espressif ESP32-S2-Saola vs. Forlinx OKMX6UL-C1 SBC vs. Onion Omega2+


ESP32-S2-Saola

OKMX6UL-C1 SBC

Omega2+
Manufacturer Espressif Forlinx Onion
Price $ 8.0 - $ 13.0
SoC Espressif ESP32-S2 (WROVER or WROOM) NXP i.MX6UltraLite MediaTek MT7688
CPU 1× Tensilica Xtensa LX7 (RISC) @ 240 Mhz 1× ARM Cortex-A7 @ 530 Mhz 1× MIPS 24KEc @ 580 Mhz
RAM 2.0 MiB 1.0 GiB DDR3 -
eMMC 1 × soldered 1 × soldered 1 × soldered
USB
1 of which support USB-OTG
3 × host ports
1 of which support USB-OTG
1 × host port
Ethernet
1× 10/100
1× 10/100
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
On-board Wi-Fi without external antenna
2.4Ghz b/g/n
Bluetooth - onboard -
Camera up to 1 x inputs - -
Audio - 1 × outputs
1 × mic-in
1 × spdif-out

1 × I2S
GPIO 43 - 18
PWM 8 2 2
ADC 2 4 6
I2C 2 1 1
SPI 4 4 1
UART 2 3 2
Pin header - - Shield (Arduino)
Dimensions 54 mm x 28 mm 130 mm x 190 mm 43 mm x 26 mm x 10 mm
Temperature - 0.0°C - 70.0°C -
Software - Linux: True Linux: True