Board Technical Specifications Comparison

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Espressif ESP32-S2-Saola vs. Variscite VAR-SOM-MX8M-PLUS vs. TechNexion EDM1-CF-IMX6SX


ESP32-S2-Saola

VAR-SOM-MX8M-PLUS

EDM1-CF-IMX6SX
Manufacturer Espressif Variscite TechNexion
Price $ 8.0 - -
SoC Espressif ESP32-S2 (WROVER or WROOM) NXP iMX8M Plus NXP i.MX 6SoloX
CPU 1× Tensilica Xtensa LX7 (RISC) @ 240 Mhz 4× ARM Cortex-A53 @ 1.8 Ghz 1× ARM Cortex-A9 @ 1.0 Ghz
GPU - GC7000UL, GC520L Vivante GC400T
Embedded MCU - - 1 x ARM Cortex-M4
RAM 2.0 MiB 4.0 GiB LPDDR4 with ECC 2.0 GiB DDR3
eMMC 1 × soldered 1 × soldered 1 × soldered
USB
1 of which support USB-OTG
2 × host ports
2 of which support USB-OTG
1 × host port
1 of which support USB-OTG
Ethernet
1× 1 Gbps
1× 1 Gbps
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
5Ghz a/n/ac
On-board Wi-Fi without external antenna
2.4Ghz b/g/n
Bluetooth - onboard onboard
Camera up to 1 x inputs up to 2 x inputs -
Audio - 1 × outputs
1 × line-in
1 × mic-in
1 × spdif-out
6 × I2S
1 × outputs
GPIO 43 104 8
PWM 8 4 -
ADC 2 - 1
I2C 2 6 -
SPI 4 3 -
UART 2 4 -
CAN - 2 2
Dimensions 54 mm x 28 mm 68 mm x 33 mm 82 mm x 60 mm x 3 mm
Temperature - -40.0°C - 85.0°C -
Software - Linux: True
Android: Yes
Linux: True
Windows: Embedded Compact 7