Board Technical Specifications Comparison

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Espressif ESP32-S2-Saola vs. Seeed Odyssey-STM32MP135D vs. Next Thing Co. CHIP Pro

	× ESP32-S2-Saola	× Odyssey-STM32MP135D	× CHIP Pro
Manufacturer	Espressif	Seeed	Next Thing Co.
Price	$ 8.0	$ 39.99	$ 16.0
SoC	Espressif ESP32-S2 (WROVER or WROOM)	STMicroelectronics STM32MP13x	AllWinner R8 (Next Thing GR8)
CPU	1× Tensilica Xtensa LX7 (RISC) @ 240 Mhz	1× ARM Cortex-A7 @ 1.0 Ghz	1× ARM Cortex-A8 @ 1.0 Ghz
GPU	-	-	Mali-400
RAM	2.0 MiB	512 Bytes DDR3L @ 533MHz	-
eMMC	1 × soldered	1 × soldered 4.0 KiB	1 × soldered
SD	-	1 × bootable: True	-
USB	1 of which support USB-OTG	1 × host port 1 × device port 1 of which are Type-C 1 of which support USB-OTG bootable	1 × host port 1 of which support USB-OTG
Ethernet		1× 10/100 wake on lan supported supports passive PoE
Wi-Fi	On-board Wi-Fi without external antenna 2.4Ghz b/g/n	-	On-board Wi-Fi with external antenna 2.4Ghz b/g/n
Bluetooth	-	-	onboard
Camera	up to 1 x inputs	up to 1 x inputs	up to 1 x inputs
Audio	-	1 × I2S	1 × outputs 2 × mic-in 1 × spdif-out 1 × I2S
GPIO	43	28	32
PWM	8	1	2
ADC	2	-	-
I2C	2	2	1
SPI	4	2	1
UART	2	1	2
Pin header	-	HAT (Raspberry Pi)	-
Form factor	-	Raspberry Pi	-
Dimensions	54 mm x 28 mm	57 mm x 88 mm x 17 mm	45 mm x 30 mm x 3 mm
Temperature	-	0.0°C - 75.0°C	-
Software	-	Linux: True	Linux: True