Board Technical Specifications Comparison

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Espressif ESP32-S2-Saola vs. Teensy Teensy 4.0

	× ESP32-S2-Saola	× Teensy 4.0
Manufacturer	Espressif	Teensy
Price	$ 8.0	$ 20.0
SoC	Espressif ESP32-S2 (WROVER or WROOM)	NXP i.MX RT1062
CPU	1× Tensilica Xtensa LX7 (RISC) @ 240 Mhz	1× ARM Cortex-M7 @ 600 Mhz
RAM	2.0 MiB	-
eMMC	1 × soldered	1 × soldered
USB	1 of which support USB-OTG	2 × host ports
Ethernet
Wi-Fi	On-board Wi-Fi without external antenna 2.4Ghz b/g/n	-
Camera	up to 1 x inputs	-
Audio	-	1 × spdif-out 2 × I2S
GPIO	43	40
PWM	8	9
ADC	2	14
I2C	2	3
SPI	4	3
UART	2	7
CAN	-	3
Pin header	-	Shield (Arduino)
Dimensions	54 mm x 28 mm	36 mm x 18 mm