What is the fine-grained topic of the following text: Soneira found that the Galaxy S8 matches or sets new smartphone display records for highest peak brightness (1,020 nits), largest native color gamut (113 percent DCI-P3 and 142 percent sRGB / Rec.709), highest contrast rating in ambient light (227), highest (infinite) contrast ratio and lowest screen reflectance (4.5 percent), just to name a few. Only return the topic.
Galaxy S8's Display Performance