仔細請看1:1原圖
1:1原圖：PhoneArena
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亮度方面
"Despite the improvements that Samsung continues to do to its so-called Super AMOLED screen technology, it's still lagging behind the quality LCD screens in the brightness department. We find the LCD displays of the iPhone 5, One, Xperia Z and Lumia 920 to be a bit brighter than the one of the GS4, and even more compared to the GS3, which is dimmer than its successor."
S4的亮度仍然落後給LCD螢幕,但是跟S3比起來有進步
(個人疑點：評測人員用的是全新的 S3 嗎？還是用了8個月後的S3螢幕來做比較？)
可視角方面
"First of all, we would like to point the Xperia Z out, as the device that probably has the worst viewing angles of all six. We still don't know why, but Sony's screens traditionally suffer from poor viewing angles, with contrast and brightness degrading quickly as we start tilting the handset.
Then come the AMOLED displays of the Galaxy S4 and Galaxy S III, which are quick to become bluish even when looked at a slight angle. Otherwise, they do well retaining relative contrast and brightness. However, the quality LCD screens of the iPhone 5 and One do equally well, and even manage to retain a more natural color balance. Unfortunately, the Nokia Lumia 920's LCD display is more similar to the Xperia Z in terms of viewing angles, rather than the iPhone 5 or One."
Xperia Z 的可視角最差,手機一傾斜，對比和亮度很快的就下降
S4的螢幕跟S3一樣偏點角度就馬上變藍不然的話亮度對比都保持的很好。 iPhone5 和 One 都表現的一樣好,連顏色也保持的很自然. Lumia 920 和 Xperia Z 的可視角差不多
原文在此
