常见移动设备尺寸对照
| 系统类型 | 设备名称 | 长*宽 | device pixel ratio |
| ios | iphone4 | 320 * 480 | 2 |
| iphone5 | 320 * 568 | 2 | |
| iphone6 | 375 * 667 | 2 | |
| iphone6 plus | 414 * 736 | 3 | |
| android | htc evo,touch HD desire,desire | 320 * 533 | 1.5 |
| htc one x,evo lte | 360 * 640 | 2 | |
| htc sensation, evo 3d | 360 * 640 | 1.5 | |
| samsung Galaxy Note | 400 * 640 | 2 | |
| samsung Galaxy Note 3 | 360 * 640 | 3 | |
| samsung Galaxy Note II | 360 * 640 | 2 |
原文：http://www.cnblogs.com/river-lee/p/4179678.html