v2, arduino, beaglebone, raspberry pi, etc. hardware comparison

boardHardwareComparison

               
Name Kijani Grows V2 Controller Arduino Yun BeagleBone A6 Cubieboard pcDuino Rascal Micro Raspberry Pi Model B
Price $98.00 $69,00 $49.00 $49,00 $60,00 $199,00 $35,00
Processor Atheros ar9331 400Mhz Atmega 2560 / ar9331 ATMega32u4 16 MHz TI AM3359 ARM Cortex-A8 720 MHz Allwinner 1 GHz ARM Cortex-A8 1 GHz ARM Cortex A8 CPU AT91SAM9G20 ARM926EJ/S @ 400 MHz BCM2835 ARM11 700 MHz
Graphics N/A N/A LCD Mali-400 OpenGL ES2.0, OpenVG 1.1 Mali 400 core N/A Broadcom VideoCore IV
RAM 64MB 2.5KB 256 MB DDR2 512M/1GB DDR3 @ 480 MHz 1 GB DRAM 64 MB 512 MB
Storage microSD card 32 KB flash 4 GB flash (microSD) 4 GB NAND flash 2GB Flash microSD card SD Card
Size   2.7” x 2.1” 3.4” × 2.1” 3.94” x 2.4” 4.93” x 2.05” 2” x 4” 3.37” × 2.125”
Input Voltage 5V-48V 5V 5 V 5V 5V 5 V 5 V
Interfaces DIO 57 GPIO 15, 2x I2C, SPI, 4x UART Digital GPIO 14 GPIO I2C UART SPI CAN I2C, SPI, IR Digital GPIO 14 Digital GPIO 14 GPIO, UART, I²C, SPI
USB 2.0 microUSB USB microUSB, USB Yes Yes (2) microUSB, USB Yes (2) Yes
USB Device USB Host USB Host Client,Host Host Client,Host USB Host USB Host
Storage Slots microSD microSD MicroSD microSD microSD microSD SD
Ethernet Yes Yes Yes Yes Yes Yes Yes
Wi-Fi Internal and external antenna. AR9331 Openwrt Yes, Atheros AR9331 MIPS-based Wi-Fi SoC running Linino, No No No No No
Mic In (usb audio) No No No No No No
Audio Out (usb audio) No No Yes No Pins for I2S Yes
Analog In (usb audio) 12 Yes No 12 4 Yes
Analog Out (usb audio) 7 (PWM) 8 (PWM) Yes 6 (PWM) 7 (PWM) Yes
HDMI No No No Yes Yes No Yes
Other Video Out (usb video) No No No No No RCA
               
               
real time clock Yes – 10 year batter No No No No No No
sdcard 12 at 2A each No No No No No No
open collector outputs 12 tranistors (@2A) No No No No No No
external wifi antenna yes No No No No No No
sensor interface circuits 14 switchable input circuits No No No No No No
watchdogs 3- (1 ic mpu supervisory circuit), (9331->2560) (2560->9331) No No No No No No
power cut off reboot mosfet smart power cutoff No No No No No No