Retina Screen ( Original Part ) is latest technology that is used by Apple in its latest series phones such as iPhone 6,6s,7,8, 7+ 8+ and SE 2 ,Also XR Models.

Colour Retina screens are superior to premium (aftermarket) quality LCD and LCD screens on the basis that they deliver brighter, more vibrant colours with better contrast Making them more suitable for displaying HDR pictures and video. 

Battery They also feature better refresh rates which is great if you are a gamer also Apple Screens consumes less battery.

Water Resistance iPhone 7,7 Plus iPhone 8,8 Plus iPhone XR,iPhone SE 2 have a rating of IP68 under IEC standard .

True Tone is a relatively recent display feature on ios devices that allows your iPhone display to adjust its color temperature based on the light of its current surroundings. Warmer light in the room leads to warmer colors on your display. The effect somewhat mirrors what happens when light hits a piece of paper, and Apple says that the feature is in part meant to reduce eye strain.

Premium Quality LCD ( Aftemarket ) Part although the performance of colours, brightness and contrast is not as impressive as Original Retina , This is a great option for iPhone owners looking for a good user experience, without breaking the bank.