Alternatives

DART-MX8M-MINI by Variscite

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Таблица 1: Main technical specifications comparison table

Specifications	CARDSOM_imx8mini_v2 (INMYS)	DART-MX8M-MINI (Variscite)	compliance	Comments
Supply voltage	3.5-5V	3.5-5V	yes
Mechanical Specifications:
- Board dimensions	55.18 х 30.11 х 2.9 mm.	55.18 х 30.11 x 5.18(4.7 ) mm.	no
- mounting holes	4 pcs х 2.16 mm	4 pcs х 2.16 mm	no	First hole location mismatch
- board-to-board connector	DF40C-90DP-0.4V	DF40C-90DP-0.4V	yes	The location and type are conforming
- WIFI&BT socket	U.FL JACK plug	U.FL JACK plug	yes	Absent in the standard configuration
Processor	NXP i.MX 8M Mini	NXP i.MX 8M Mini	yes
Memory
RAM LPDDR4	Various configurations 1 - 8 GB	Various configurations 1 - 4 GB	no	Basic configuration: 2 GB LPDDR4
eMMC FLASH	Various configurations 4 - 128 GB	Various configurations 8 - 64 GB	yes	Basic configuration: 16 GB eMMC
Networking
WIFI&BT	Optional	Optional	yes	Absent in basic configuration
Ethernet controller	Optional	Optional	yes	Absent in basic configuration
Audio
Audio Codec	Absent	Optional	no
Stereo output to headphones	Absent	Presented	no
Analog microphone (stereo)	Absent	Presented	no
Digital microphone	Presented	Presented	yes
Digital audio: I2S(SAI), SPDIF	Presented	Presented	yes
line input and output	Absent	Presented	no
Connectivity
PCI Express	1	1	yes	REFCLK_N and REFCLK_P connected in a mirror
USB OTG 2.0	2	2	yes
JTAG	1	1	yes
Gigabit Ethernet (PHY)	1	1	yes
QSPI	1	1	yes
ECSPI	2+1(alt UART)	2+1(alt UART)	yes	Basic configuration: 3
SAI	5	5	yes	Basic configuration: 4
SPDIF	1	1	yes
SD/SDIO/MMC-interface	1	1	no	write protection available
UART	4	4	yes
I2C (3 external + 1 internal)	3+1	3+1	yes
LVDS (MIPI DSI → LVDS)	1	1	yes	2 channels
MIPI CSI	1	1	yes
GPIO	Depending on the configuration	Depending on the configuration	yes	Basic configuration: 14

As an alternative, with the same form-factor and configuration, can be considered UCM-iMX8M-Mini by Compulab.