Board Technical Specifications Comparison

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Espressif ESP32-S2-Saola vs. Raspberry Pi Foundation Raspberry Pi Model B Rev. 2 vs. Gateworks GW6903

	× ESP32-S2-Saola	× Raspberry Pi Model B Rev. 2	× GW6903
Manufacturer	Espressif	Raspberry Pi Foundation	Gateworks
Price	$ 8.0	$ 35.0	-
SoC	Espressif ESP32-S2 (WROVER or WROOM)	Broadcom BCM2835	Cavium Octeon TX
CPU	1× Tensilica Xtensa LX7 (RISC) @ 240 Mhz	1× ARM1176JZF-S @ 700 Mhz	2× ARMv8 @ 800 Mhz
GPU	-	VideoCore IV	-
RAM	2.0 MiB	1.0 GiB DDR3	4.0 GiB DDR4
eMMC	1 × soldered	-	1 × soldered
SD	-	1 × bootable: True	-
USB	1 of which support USB-OTG	2 × host ports	2 × host ports
Ethernet		1× 10/100	1× 1 Gbps supports passive and active PoE
Wi-Fi	On-board Wi-Fi without external antenna 2.4Ghz b/g/n	-	-
Camera	up to 1 x inputs	up to 1 x inputs	-
Audio	-	1 × outputs	-
GPIO	43	26	-
PWM	8	1	-
ADC	2	-	-
I2C	2	1	-
SPI	4	1	-
UART	2	1	1
Pin header	-	HAT (Raspberry Pi)	-
Form factor	-	Raspberry Pi	-
Dimensions	54 mm x 28 mm	86 mm x 54 mm x 17 mm	110 mm x 35 mm x 21 mm
Temperature	-	0.0°C - 70.0°C	-40.0°C - 85.0°C
Software	-	Linux: True (mainline)	Linux: True