Board Technical Specifications Comparison

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Raspberry Pi Foundation Raspberry Pi Zero 2 W vs. Espressif ESP32-S2-Saola vs. Intrinsyc Open-Q 845 uSoM

	× Raspberry Pi Zero 2 W	× ESP32-S2-Saola	× Open-Q 845 uSoM
Manufacturer	Raspberry Pi Foundation	Espressif	Intrinsyc
Price	$ 15.0	$ 8.0	-
SoC	Broadcom BCM2710A1	Espressif ESP32-S2 (WROVER or WROOM)	Qualcomm Snapdragon SDA845
CPU	4× ARM Cortex-A53 @ 1.0 Ghz	1× Tensilica Xtensa LX7 (RISC) @ 240 Mhz	4× Qualcomm Kryo 385 Gold @ 2.65 Ghz 4× Qualcomm Kryo 385 Silver @ 1.766 Ghz
GPU	VideoCore IV	-	Qualcomm Adreno 630
RAM	512.0 MiB DDR3	2.0 MiB	6.0 GiB LPDDR4
eMMC	-	1 × soldered	-
SD	1 × bootable: True	-	-
USB	1 × host port 1 of which support USB-OTG	1 of which support USB-OTG	2 × host ports 1 of which support USB-OTG
Ethernet
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 5Ghz a/n/ac
Bluetooth	onboard	-	onboard
Camera	up to 1 x inputs	up to 1 x inputs	up to 4 x inputs
Audio	1 × outputs 1 × I2S	-	-
GPIO	40	43	1
PWM	1	8	-
ADC	-	2	-
I2C	1	2	1
SPI	1	4	1
UART	1	2	1
Pin header	HAT (Raspberry Pi)	-	-
Form factor	Raspberry Pi Zero	-	-
Dimensions	65 mm x 30 mm x 5 mm	54 mm x 28 mm	50 mm x 25 mm
Temperature	0.0°C - 50.0°C	-	-25.0°C - 70.0°C
Software	Linux: True (mainline)	-	Linux: True Android: 9