iPhone 12 Screen Size
The iPhone 12 has a 6.1 inch screen with a resolution of 1170 × 2532 pixels, about 457 pixels per inch. The screen itself is 2.6 in6.5 cm wide and 5.5 in14.1 cm tall (6.5 cm2.6 in × 14.1 cm5.5 in), measured as a rectangle before the rounded corners.
- Screen
- 6.1 in 15.5 cm
- Resolution
- 1170 × 2532
- Pixel density
- 457 PPI
- Released
- 2020
How big is the iPhone 12 screen?
- Screen (diagonal)
- 6.1 in (15.5 cm)
- Screen width
- 2.6 in6.5 cm · 6.5 cm2.6 in
- Screen height
- 5.5 in14.1 cm · 14.1 cm5.5 in
- Screen area
- 14 sq in91 sq cm
- Aspect ratio
- 19.5:9 (2.16:1)
- Resolution
- 1170 × 2532
- Total pixels
- 3.0 million
- Pixel density
- 457 PPI
- Pixels per cm
- 180
- Pixel size
- 0.056 mm
- Released
- 2020
Which iPhones came out in 2020?
Apple released 5 iPhones in 2020: the iPhone 12 Pro Max, iPhone 12 Pro, iPhone 12, iPhone 12 mini and iPhone SE (2nd gen). Their screens ran from 4.7 to 6.7 inches. It shared its 6.1 inch screen size with the iPhone 12 Pro that year.
The iPhone 12 Pro Max is about half an inch bigger corner to corner, with about a fifth more screen area. The iPhone 12 Pro has the very same screen. The iPhone 12 mini is nearly an inch smaller corner to corner, with about a fifth less screen area.
The iPhone SE (2nd gen) is about an inch and a half smaller corner to corner, with about a third less screen area.
How did the screen change from the iPhone 11?
The iPhone 12 replaced the iPhone 11 from 2019. Both have a 6.1 inch screen of the same shape. Pixel density went from 324 to 457 PPI.
The iPhone 13 followed in 2021, with a 6.1 inch screen at 1170 × 2532 and 457 PPI.
How sharp is the iPhone 12 screen?
At 457 pixels per inch, single pixels vanish for 20/20 vision beyond 7.5 in19.1 cm (19.1 cm7.5 in). You hold a phone closer than that only when reading small print, so the screen looks smooth.
The iPhone 12 mini was sharper that year, though the gap is too small to see. Across our list, twenty-one iPhones have a higher pixel density.
Where does the iPhone 12 rank among iPhone screens?
Of the thirty-eight other iPhones in our list, seventeen have a bigger screen, nine a smaller one and twelve the same size. When it came out, three of the thirteen iPhones in our list up to then had a bigger screen.
The iPhone 12 was the first iPhone with this exact screen, together with the iPhone 12 Pro. Apple used it again on the iPhone 13 Pro, 13, 14, 16e and 17e.
What is the iPhone 12 screen size in CSS pixels?
Websites see the iPhone 12 as 390 × 844 CSS pixels in portrait, with a device pixel ratio of 3. Each CSS pixel uses 3 × 3 screen pixels, which gives the full 1170 × 2532 resolution.
- Viewport, portrait
- 390 × 844
- Viewport, landscape
- 844 × 390
- Device pixel ratio
- 3
- One CSS pixel
- 0.167 mm
A common text size of 16 CSS pixels measures about 2.7 mm (0.11 in) on this screen. The visible area in Safari is smaller than the viewport, because the address bar and toolbar take space. The same 390 × 844 viewport is used by the iPhone 17e, 16e, 14, 13 Pro, 13 and 12 Pro.
How does the iPhone 12 compare with other iPhones?
The table shows the iPhones released around the iPhone 12. Width and area are measured against the iPhone 12.
Shop for the iPhone 12
Affiliate linksMore questions about the iPhone 12 screen
What are the iPhone 12 screen dimensions in cm?
The screen is 6.5 cm wide and 14.1 cm tall, with a diagonal of 15.5 cm. The phone body is bigger than the screen.
Is the iPhone 12 screen 6.1 inches wide?
No. 6.1 inches (15.5 cm) is the diagonal, measured corner to corner. The screen is 2.6 in (6.5 cm) wide.
How many pixels does the iPhone 12 screen have?
It has 2,962,440 pixels, about 3.0 million, at 457 pixels per inch. Each pixel is 0.056 mm across.
Which iPhones have the same screen as the iPhone 12?
The iPhone 17e, 16e, 14, 13 Pro, 13 and 12 Pro have the same 6.1 inch screen and 1170 × 2532 resolution. Cases still differ, because the bodies and cameras are not the same.
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.