https://www.adobe.com/creativecloud/file-types/image/comparison/heic-vs-jpeg.html#:~:text=While%20JPEGs%20have%20almost%20universal,an%20iPhone%20to%20a%20PC.

Image quality.
When it comes to both compression and image quality, HEIC files win out over JPEG. The HEIC format can actually enhance the quality of photos with transparency and a broader dynamic range capabilities.

我不确定iOS具体如何处理，但是在爱疯和mbp屏幕上，HEIC效果的确更好，都是同样分辨率选择HDR开

【 在 hyoga 的大作中提到: 】
: 这我倒没有注意过。。。。还有区别？
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