Galileo, Raspberry Pi, Cubieboard2 , Cubietruck, Radxa Rock comparison

	Galileo	Raspberry Pi (Model B)	Cubietruck	Cubieboard 2	Radxa Rock Pro
Board Dimensions	10cm x 7cm	8.560cm x 5.6cm x 2.1cm	11cm x 8cm x 1.4cm	10cm x 6cm x 1.5cm	10 cm x 8 cm x 1.2cm
Processor	Intel® Quark X1000 single core	Broadcom BCM2835 single core	AllWinner A20 Dual-Core	AllWinner A20 Dual-Core	RK3188 SoC
Architecture	Intel ® Pentium® Class	ARM® ARM1176™	ARM Cortex-A7	ARM Cortex-A7	ARM Cortex-A9
Speed	400MHz	700MHziv	1GHz	1GHz	1.6GHz
Width, Instruction Set	32-bit	32-bit	32-bit	32-bit	32-bit
Wifi	No	No	Yes	No	Yes
Bluetooth	No	NO	Yes	No	Yes
Real Time Clock	Yes, needs a 3.3v coin cell	No	No	No	Yes
Cache	16 KB L1 cache	32KB L1 cache & 128KB L2 cache; shared with CPU & GPU	256KiB L2-Cache (shared between two cores),32KiB (Instruction) / 32KiB (Data) L1-Cache per core	256KiB L2-Cache (shared between two cores),32KiB (Instruction) / 32KiB (Data) L1-Cache per core	Integrated 32KB L1 instruction cache , 32KB L1 data cache with 4-way set associative, 512KB unified L2 Cache
RAM	512KB on-chip SRAM, dedicated for sketch storage & 256MB DRAM, dedicated for sketch storage	512MB SDRAM (shared with GPU)	2GB DDR3@480MHz	1GB DDR3@480MHz	2GB DDR3 @ 800Mhz
FLASH Memory	8MB NOR Flash (Legacy SPI), for FW bootloader & sketch storage	No permanent on-board Flash memory	8GB NAND flash	4GB NAND flash	8GB Nand Flash
EEPROM	11KB	No	No	No	No
GPU	No	Broadcom Dual-core VideoCore IV® Multimedia co-processor	Mali400 MP2	Mali400 MP2	Mali400-mp4
External Storage	Micro-SD Card (up to 32GB), & support for  an external USB2.0 drive	SD-card, & support for  an external USB2.0 drive	SATA 2.0 interface, Micro SD slot, USB 2.0	SATA 2.0 interface, micro SD slot, USB 2.0	Micro-SD SDXC up to 128GB
Video Support	No	HDMI – 1080p	HDMI & VGA	HDMI	HDMI 1.4 up to 1080 @ 60hz
Audio Support	No	HDMI & 3.5mm stereo audio-out jack	TOSLINK (Optical SPDIF) & headphone jack	TOSLINK (Optical SPDIF) & headphone jack	TOSLINK (Optical SPDIF) & headphone jack
Status Indication	LED – Board Power	LEDs for – board power, SD card access, LAN connected, LAN activity, 100Mbps connected	LEDs for – board power, SD card access, LAN connected, LAN activity, 100Mbps connected	LEDs for – board power, SD card access, LAN connected, LAN activity, 100Mbps connected	3 programable leds
JTAG	10-pin, Mini-JTAG header, to be used  with an in-circuit debugger	Yes, headers P2 & P3.	Yes. uSD breakout board	Yes. uSD breakout board	No
Compatibility	Arduino Uno R3 3.3V / 5V shields	Arduino board connects via USB. 3rd party boards enable support for Arduino shields with Pi.	No	No	No
Price	~$70.00	~$35.00	~$94.90	~64.90	~97.75