iPhone 8 Plus Screen Size
The iPhone 8 Plus has a 5.5 inch screen with a resolution of 1080 × 1920 pixels, about 401 pixels per inch. The screen itself is 2.7 in6.8 cm wide and 4.8 in12.2 cm tall (6.8 cm2.7 in × 12.2 cm4.8 in), measured as a rectangle before the rounded corners.
- Screen
- 5.5 in 14.0 cm
- Resolution
- 1080 × 1920
- Pixel density
- 401 PPI
- Released
- 2017
How big is the iPhone 8 Plus screen?
- Screen (diagonal)
- 5.5 in (14.0 cm)
- Screen width
- 2.7 in6.8 cm · 6.8 cm2.7 in
- Screen height
- 4.8 in12.2 cm · 12.2 cm4.8 in
- Screen area
- 13 sq in83 sq cm
- Aspect ratio
- 16:9 (1.78:1)
- Resolution
- 1080 × 1920
- Total pixels
- 2.1 million
- Pixel density
- 401 PPI
- Pixels per cm
- 158
- Pixel size
- 0.063 mm
- Released
- 2017
Which iPhones came out in 2017?
Apple released 3 iPhones in 2017: the iPhone X, iPhone 8 Plus and iPhone 8. Their screens ran from 4.7 to 5.8 inches. Its screen sat in the middle of the 2017 range.
The iPhone X is about a third of an inch bigger corner to corner, with about the same screen area. The iPhone 8 is nearly an inch smaller corner to corner, with about a quarter less screen area.
The iPhone 14 Plus followed in 2022, with a 6.7 inch screen at 1284 × 2778 and 457 PPI.
How sharp is the iPhone 8 Plus screen?
At 401 pixels per inch, single pixels vanish for 20/20 vision beyond 8.6 in21.8 cm (21.8 cm8.6 in). You hold a phone closer than that only when reading small print, so the screen looks smooth.
The iPhone X was sharper that year, which shows only when you hold the phone close. Across our list, thirty-three iPhones have a higher pixel density.
Where does the iPhone 8 Plus rank among iPhone screens?
Of the thirty-eight other iPhones in our list, thirty have a bigger screen, five a smaller one and three the same size. Our list starts with the 2017 models, so there is nothing earlier to measure it against.
No other iPhone in our list pairs this diagonal with this resolution, so the screen is its own.
What is the iPhone 8 Plus screen size in CSS pixels?
Websites see the iPhone 8 Plus as 414 × 736 CSS pixels in portrait, with a device pixel ratio of 3. The page is drawn at 1242 × 2208, 3 × 3 pixels per CSS pixel, then scaled down to fit the 1080 × 1920 panel.
- Viewport, portrait
- 414 × 736
- Viewport, landscape
- 736 × 414
- Device pixel ratio
- 3
- One CSS pixel
- 0.165 mm
A common text size of 16 CSS pixels measures about 2.6 mm (0.10 in) on this screen. The visible area in Safari is smaller than the viewport, because the address bar and toolbar take space.
How does the iPhone 8 Plus compare with other iPhones?
The table shows the iPhones released around the iPhone 8 Plus. Width and area are measured against the iPhone 8 Plus.
Shop for the iPhone 8 Plus
Affiliate linksMore questions about the iPhone 8 Plus screen
What are the iPhone 8 Plus screen dimensions in cm?
The screen is 6.8 cm wide and 12.2 cm tall, with a diagonal of 14.0 cm. The phone body is bigger than the screen.
Is the iPhone 8 Plus screen 5.5 inches wide?
No. 5.5 inches (14.0 cm) is the diagonal, measured corner to corner. The screen is 2.7 in (6.8 cm) wide.
How many pixels does the iPhone 8 Plus screen have?
It has 2,073,600 pixels, about 2.1 million, at 401 pixels per inch. Each pixel is 0.063 mm across.
Does any other iPhone have the same screen as the iPhone 8 Plus?
No other iPhone in our list has the same 5.5 inch screen at 1080 × 1920. Buy cases and protectors made for this exact model.
How we measure
Width = diagonal × resolution width ÷ √(width² + height²), and the same for height, using the pixel counts. Pixel density is the pixel diagonal divided by the screen diagonal.
Diagonal and resolution from Apple's technical specifications. CSS size and pixel ratio from Apple's Xcode iOS Simulator device profiles. Last checked 2026-10-08.