Board Technical Specifications Comparison

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Espressif ESP32-S2-Saola vs. Onion Omega2+

	× ESP32-S2-Saola	× Omega2+
Manufacturer	Espressif	Onion
Price	$ 8.0	$ 13.0
SoC	Espressif ESP32-S2 (WROVER or WROOM)	MediaTek MT7688
CPU	1× Tensilica Xtensa LX7 (RISC) @ 240 Mhz	1× MIPS 24KEc @ 580 Mhz
RAM	2.0 MiB	-
eMMC	1 × soldered	1 × soldered
USB	1 of which support USB-OTG	1 × host port
Ethernet		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
Camera	up to 1 x inputs	-
Audio	-	1 × I2S
GPIO	43	18
PWM	8	2
ADC	2	6
I2C	2	1
SPI	4	1
UART	2	2
Pin header	-	Shield (Arduino)
Dimensions	54 mm x 28 mm	43 mm x 26 mm x 10 mm
Software	-	Linux: True