Board Technical Specifications Comparison

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SECO UDOO X86 (original version) vs. Optimus Embedded Systems Prime vs. Seeed Odyssey-STM32MP135D

	× UDOO X86 (original version)	× Prime	× Odyssey-STM32MP135D
Manufacturer	SECO	Optimus Embedded Systems	Seeed
Price	$ 174.0	$ 125.0	$ 39.99
SoC	Intel N3160	Rockchip RK3399	STMicroelectronics STM32MP13x
CPU	4× Braswell x86 @ 2.24 Ghz	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz	1× ARM Cortex-A7 @ 1.0 Ghz
GPU	Intel HD Graphics 400	Mali-T860 MP4	-
RAM	8.0 GiB DDR3L	4.0 GiB DDR4	512 Bytes DDR3L @ 533MHz
eMMC	1 × soldered	1 × soldered	1 × soldered 4.0 KiB
SD	-	-	1 × bootable: True
USB	3 × host ports	2 × host ports 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
Ethernet	1× 1 Gbps wake on lan supported	1× 1 Gbps wake on lan supported	1× 10/100 wake on lan supported supports passive PoE
Wi-Fi	On-board Wi-Fi without external antenna	On-board Wi-Fi without external antenna 2.4Ghz b/g/n 5Ghz a/n/ac	-
Bluetooth	onboard	onboard	-
Modem	-	onboard	-
Camera	-	up to 3 x inputs	up to 1 x inputs
Audio	1 × outputs 1 × mic-in 1 × spdif-out	1 × outputs 1 × line-in 1 × mic-in 1 × I2S	1 × I2S
GPIO	14	40	28
PWM	4	-	1
ADC	6	-	-
I2C	2	2	2
SPI	1	2	2
UART	2	1	1
Pin header	Shield (Arduino)	HAT (Raspberry Pi)	HAT (Raspberry Pi)
Form factor	-	-	Raspberry Pi
Dimensions	120 mm x 85 mm	65 mm x 85 mm x 2 mm	57 mm x 88 mm x 17 mm
Temperature	-	-40.0°C - 85.0°C	0.0°C - 75.0°C
Software	Linux: True (mainline) Android: supported Windows: 10, 8.1, 7	Linux: True Android: Android Windows: Embedded ARM	Linux: True