Raspberry Pi 太慢了，拿來上網沒辦法，他只有顯示卡比較快
現在要等 UDOO 看有沒有比較好的效能，兩棵 CPU, 1G Ram, 還有 hdmi, giga port, wifi, sata, 最近又加入 bluetooth
硬體規格
Freescale i.MX 6 ARM Cortex-A9 CPU Dua/Quad core 1GHz
Integrated graphics, each processor provides 3 separated accelerators for 2D, OpenGLR ES2.0 3D and OpenVG™
Atmel SAM3X8E ARM Cortex-M3 CPU (same as Arduino Due)
RAM DDR3 1GB
54 Digital I/O + Analog Input (Arduino-compatible R3 1.0 pinout)
HDMI and LVDS + Touch (I2C signals)
Ethernet RJ45 (10/100/1000 MBit)
WiFi Module
Mini USB and Mini USB OTG (micro with the final release)
USB type A (x2) and USB connector (requires a specific wire)
Analog Audio and Mic
SATA (Only Quad-Core version)（只有四核版）
Camera connection
Micro SD (boot device)
Power Supply (5-12V) and External Battery connector