Board Technical Specifications Comparison

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Optimus Embedded Systems Prime vs. iWave Systems iW-Rainbow-G27S vs. Raspberry Pi Foundation Raspberry Pi Compute Module 3+ vs. Compulab UCM-iMX8M-Mini

	× Prime	× iW-Rainbow-G27S	× Raspberry Pi Compute Module 3+	× UCM-iMX8M-Mini
Manufacturer	Optimus Embedded Systems	iWave Systems	Raspberry Pi Foundation	Compulab
Price	$ 125.0	-	$ 31.0	-
SoC	Rockchip RK3399	NXP i.MX8 Quad MAX/Quad Plus	Broadcom BCM2837B0	NXP i.MX8M Mini DualLite/Dual/Quad
CPU	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz	4× ARM Cortex-A53 @ 1.2 Ghz	4× ARM Cortex-A53 @ 1.2 Ghz	4× ARM Cortex-A53 @ 1.8 Ghz
GPU	Mali-T860 MP4	GC7000XSVX	VideoCore IV	GC NanoUltra
RAM	4.0 GiB DDR4	4.0 GiB LPDDR4	1.0 GiB	4.0 GiB LPDDR4
eMMC	1 × soldered	1 × soldered	1 × soldered	1 × soldered
USB	2 × host ports 1 of which support USB-OTG	3 × host ports 1 of which support USB-OTG	1 × host port 1 of which support USB-OTG	2 × host ports
Ethernet	1× 1 Gbps wake on lan supported	1× 1 Gbps wake on lan supported		1× 1 Gbps
Wi-Fi	On-board Wi-Fi without external antenna 2.4Ghz b/g/n 5Ghz a/n/ac	On-board Wi-Fi without external antenna 2.4Ghz b/g/n 5Ghz a/n/ac	-	On-board Wi-Fi without external antenna 2.4Ghz b/g/n 5Ghz a/n/ac
Bluetooth	onboard	onboard	-	onboard
Modem	onboard	onboard	-	-
Camera	up to 3 x inputs	up to 2 x inputs	up to 2 x inputs	up to 1 x inputs
Audio	1 × outputs 1 × line-in 1 × mic-in 1 × I2S	1 × outputs 1 × mic-in 1 × spdif-out 1 × I2S	2 × I2S	1 × spdif-out 3 × I2S
GPIO	40	15	48	85
PWM	-	4	2	4
I2C	2	3	2	3
SPI	2	2	2	3
UART	1	4	2	4
CAN	-	1	-	-
Pin header	HAT (Raspberry Pi)	-	HAT (Raspberry Pi)	-
Form factor	-	Pico-ITX	Raspberry Pi Compute Module 3	-
Dimensions	65 mm x 85 mm x 2 mm	100 mm x 72 mm	68 mm x 31 mm x 4 mm	28 mm x 38 mm x 4 mm
Temperature	-40.0°C - 85.0°C	-40.0°C - 85.0°C	-25.0°C - 80.0°C	-40.0°C - 85.0°C
Software	Linux: True Android: Android Windows: Embedded ARM	Linux: True Android: 9.0	Linux: True (mainline)	Linux: True Android: yes