Board Technical Specifications Comparison

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Olimex A20-OLinuXino-MICRO vs. T-Chip Firefly-RK3399 vs. Groboards Giant Board


A20-OLinuXino-MICRO

Firefly-RK3399

Giant Board
Manufacturer Olimex T-Chip Groboards
Price $ 89.0 $ 149.0 $ 50.0
SoC AllWinner A20 Rockchip RK3399 Atmel SAMA5D2
CPU 2× ARM Cortex-A7 @ 1.0 Ghz 2× ARM Cortex-A72 @ 2.0 Ghz
4× ARM Cortex-A53 @ 1.5 Ghz
1× ARM Cortex-A5 @ 500 Mhz
GPU Mali 400 Mali-T860 MP4 -
RAM 1.0 GiB DDR3 2.0 GiB DDR3 -
eMMC 1 × soldered 1 × soldered 1 × soldered
USB 2 × host ports
1 of which support USB-OTG
3 × host ports
1 of which are Type-C
1 of which support USB-OTG
2 × host ports
1 of which support USB-OTG
Ethernet
1× 10/100
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
Bluetooth - onboard onboard
Audio 1 × outputs
1 × mic-in
1 × outputs
1 × mic-in
1 × spdif-out
1 × I2S
-
GPIO 160 42 25
PWM - - 4
ADC - 2 6
I2C - 2 2
SPI - 1 2
UART - - 2
Dimensions - 124 mm x 93 mm x 22 mm 51 mm x 23 mm
Software Linux: True
Android: 4.2
Linux: True
Android: 6.0
Linux: True