iOS开发-设备分辨率、尺寸和缩放因子
前言
整理iOS下的设备常用分辨率、尺寸和缩放因子，方便查阅使用。
- 1 inch = 2.54cm = 25.4mm
- @2x即1个Point被渲染成1个2x2的像素矩阵，即某个方向上1pt存在2px
- PPI（Pixel Per Inch by diagonal）：沿着对角线每英寸所拥有的像素数目。如iPhone 6s的PPI如下计算表示：
iPhone设备
- 放大模式下，iPhone 6分辨率为640x1136(Upsampling，插值采样)，iPhone 6 Plus/6s plus分辨率为1125×2001(Downsampling，缩减像素采样)。
- iPhone 6 plus/6s plus的实际分辨率是1920x1080，实际缩放为@2.46x。（也就是说实际上应该用@2.46x的素材。iOS 拿到@3x绘制结果，实时地再缩小到实际的1080 x 1920分辨率，Downsampling）详见知乎上的讨论。
| 设备 |
尺寸(inch) |
逻辑分辨率(pt) |
屏幕分辨率(px) |
Scale Factor |
| iPhone |
3.5 |
320x480 |
320x480 |
@1x |
| iPhone 3G/3GS |
3.5 |
320x480 |
320x480 |
@1x |
| iPhone 4/4S |
3.5 |
320x480 |
640x960 |
@2x |
| iPhone 5/5S/5C |
4 |
320x568 |
640x1136 |
@2x |
| iPhone 6/6S |
4.7 |
375x667 |
750x1334 |
@2x |
| iPhone 6 Plus/6S Plus |
5.5 |
414x736 |
1242x2208 |
@3x |
| iPhone SE |
4 |
320x568 |
640x1136 |
@2x |
| iPhone 7/8 |
4.7 |
375x667 |
750x1334 |
@2x |
| iPhone 7 Plus/8 Plus |
5.5 |
414x736 |
1242x2208 |
@3x |
| iPhone X |
5.8 |
375x812 |
1125x2436 |
@3x |
| iPhone Xs |
5.8 |
375x812 |
1125x2436 |
@3x |
| iPhone Xs Max |
6.5 |
414x896 |
1242x2688 |
@3x |
| iPhone Xr |
6.1 |
414x896 |
828x1792 |
@2x |
| iPhone 11 |
6.1 |
414x896 |
828x1792 |
@2x |
| iPhone 11 Pro |
5.8 |
375x812 |
1125x2436 |
@3x |
| iPhone 11 Pro Max |
6.5 |
414x896 |
1242x2688 |
@3x |
| iPhone SE 2 |
4.7 |
375x667 |
750x1334 |
@2x |
| iPhone 12 Mini |
5.4 |
375x812 |
1080x2340 |
@3x |
| iPhone 12 |
6.1 |
390x844 |
1170x2532 |
@3x |
| iPhone 12 Pro |
6.1 |
390x844 |
1170x2532 |
@3x |
| iPhone 12 Pro Max |
6.7 |
428x926 |
1284x2778 |
@3x |
iPad设备
| 设备 |
尺寸(inch) |
逻辑分辨率(pt) |
屏幕分辨率(px) |
Scale Factor |
| iPad |
9.7 |
1024x768 |
1024x768 |
@1x |
| iPad 2 |
9.7 |
1024x768 |
1024x768 |
@1x |
| The New iPad |
9.7 |
1024x768 |
2048x1536 |
@2x |
| iPad 4 |
9.7 |
1024x768 |
2048x1536 |
@2x |
| iPad Air |
9.7 |
1024x768 |
2048x1536 |
@2x |
| iPad Air 2 |
9.7 |
1024x768 |
2048x1536 |
@2x |
| iPad Pro (12.9-inch) |
12.9 |
1366x1024 |
2732x2048 |
@2x |
| iPad Pro (9.7-inch) |
9.7 |
1024x768 |
2048x1536 |
@2x |
| iPad (5th generation) |
12.9 |
1024x768 |
2048x1536 |
@2x |
| iPad Pro (12.9-inch, 2nd generation) |
12.9 |
1366x1024 |
2732x2048 |
@2x |
| iPad Pro (10.5-inch) |
10.5 |
1112x834 |
2224x1668 |
@2x |
iPad mini设备
| 设备 |
尺寸(inch) |
逻辑分辨率(pt) |
屏幕分辨率(px) |
Scale Factor |
| iPad Mini |
7.9 |
1024x768 |
1024x768 |
@1x |
| iPad Mini 2 |
7.9 |
1024x768 |
2048x1536 |
@2x |
| iPad Mini 3 |
7.9 |
1024x768 |
2048x1536 |
@2x |
| iPad Mini 4 |
7.9 |
1024x768 |
2048x1536 |
@2x |
| iPad Mini 5 |
7.9 |
1024x768 |
2048x1536 |
@2x |
iPod Touch设备
| 设备 |
尺寸(inch) |
逻辑分辨率(pt) |
屏幕分辨率(px) |
Scale Factor |
| iPod Touch 1 |
3.5 |
320x480 |
320x480 |
@1x |
| iPod Touch 2 |
3.5 |
320x480 |
320x480 |
@1x |
| iPod Touch 3 |
3.5 |
320x480 |
320x480 |
@1x |
| iPod Touch 4 |
3.5 |
320x480 |
640x960 |
@2x |
| iPod Touch 5 |
4 |
320x568 |
640x1136 |
@2x |
| iPod Touch 6 |
4 |
320x568 |
640x1136 |
@2x |
Apple Watch设备
| 设备 |
尺寸(mm) |
逻辑分辨率(pt) |
屏幕分辨率(px) |
Scale Factor |
| Apple Watch Series 1 |
38mm |
|
272x340 |
@2x |
| Apple Watch Series 1 |
42mm |
|
312x390 |
@2x |
| Apple Watch Series 2 |
38mm |
|
272x340 |
@2x |
| Apple Watch Series 2 |
42mm |
|
312x390 |
@2x |
| Apple Watch Series 3 |
38mm |
|
272x340 |
@2x |
| Apple Watch Series 3 |
42mm |
|
312x390 |
@2x |
| Apple Watch Series 4 |
40mm |
|
324x394 |
@2x |
| Apple Watch Series 4 |
44mm |
|
368x448 |
@2x |
| Apple Watch Series 5 |
40mm |
|
324x394 |
@2x |
| Apple Watch Series 5 |
44mm |
|
368x448 |
@2x |
| Apple Watch SE |
40mm |
|
324x394 |
@2x |
| Apple Watch SE |
44mm |
|
368x448 |
@2x |
| Apple Watch Series 6 |
40mm |
|
324x394 |
@2x |
| Apple Watch Series 6 |
44mm |
|
368x448 |
@2x |
参考
- iPhone不同设备屏幕尺寸和分辨率
- iOS所有设备的分辨率、尺寸和缩放因子，放大模式区别和6P实际分辨率
- iPhone 11、iPhone 11 Pro、iPhone 11 Pro Max 屏幕尺寸，分辨率，PPI 详细数据对比
- iPhone 12/mini/Pro/Max采用新屏幕大小逻辑分辨率
本文标题：iOS开发-设备分辨率、尺寸和缩放因子
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