iPhone XS Max Screen Size
The iPhone XS Max has a 6.5 inch screen with a resolution of 1242 × 2688 pixels, about 456 pixels per inch. The screen itself is 2.7 in6.9 cm wide and 5.9 in15.0 cm tall (6.9 cm2.7 in × 15.0 cm5.9 in), measured as a rectangle before the rounded corners.
- Screen
- 6.5 in 16.5 cm
- Resolution
- 1242 × 2688
- Pixel density
- 456 PPI
- Released
- 2018
How big is the iPhone XS Max screen?
- Screen (diagonal)
- 6.5 in (16.5 cm)
- Screen width
- 2.7 in6.9 cm · 6.9 cm2.7 in
- Screen height
- 5.9 in15.0 cm · 15.0 cm5.9 in
- Screen area
- 16 sq in104 sq cm
- Aspect ratio
- 19.5:9 (2.16:1)
- Resolution
- 1242 × 2688
- Total pixels
- 3.3 million
- Pixel density
- 456 PPI
- Pixels per cm
- 180
- Pixel size
- 0.056 mm
- Released
- 2018
Which iPhones came out in 2018?
Apple released 3 iPhones in 2018: the iPhone XS Max, iPhone XR and iPhone XS. Their screens ran from 5.8 to 6.5 inches. It had the biggest screen of the 2018 iPhones.
The iPhone XR is under half an inch smaller corner to corner, with about a tenth less screen area. The iPhone XS is nearly an inch smaller corner to corner, with about a fifth less screen area.
How did the screen change from the iPhone X?
The iPhone XS Max replaced the iPhone X from 2017. The iPhone XS Max screen is 0.7 in (1.8 cm) bigger diagonally, with 26% more screen area than the iPhone X. Pixel density went from 463 to 456 PPI.
The iPhone 11 Pro Max followed in 2019, with a 6.5 inch screen at 1242 × 2688 and 456 PPI.
How sharp is the iPhone XS Max screen?
At 456 pixels per inch, single pixels vanish for 20/20 vision beyond 7.5 in19.2 cm (19.2 cm7.5 in). You hold a phone closer than that only when reading small print, so the screen looks smooth.
The iPhone XS was sharper that year, though the gap is too small to see. Across our list, thirty-one iPhones have a higher pixel density.
Where does the iPhone XS Max rank among iPhone screens?
Of the thirty-eight other iPhones in our list, ten have a bigger screen, twenty-six a smaller one and two the same size. When it came out, it had the biggest screen of any iPhone in our list so far.
The iPhone XS Max was the first iPhone with this exact screen. Apple used it again on the iPhone 11 Pro Max.
What is the iPhone XS Max screen size in CSS pixels?
Websites see the iPhone XS Max as 414 × 896 CSS pixels in portrait, with a device pixel ratio of 3. Each CSS pixel uses 3 × 3 screen pixels, which gives the full 1242 × 2688 resolution.
- Viewport, portrait
- 414 × 896
- Viewport, landscape
- 896 × 414
- 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 414 × 896 viewport is used by the iPhone 11 Pro Max, 11 and XR.
How does the iPhone XS Max compare with other iPhones?
The table shows the iPhones released around the iPhone XS Max. Width and area are measured against the iPhone XS Max.
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Affiliate linksMore questions about the iPhone XS Max screen
What are the iPhone XS Max screen dimensions in cm?
The screen is 6.9 cm wide and 15.0 cm tall, with a diagonal of 16.5 cm. The phone body is bigger than the screen.
Is the iPhone XS Max screen 6.5 inches wide?
No. 6.5 inches (16.5 cm) is the diagonal, measured corner to corner. The screen is 2.7 in (6.9 cm) wide.
How many pixels does the iPhone XS Max screen have?
It has 3,338,496 pixels, about 3.3 million, at 456 pixels per inch. Each pixel is 0.056 mm across.
Which iPhones have the same screen as the iPhone XS Max?
The iPhone 11 Pro Max has the same 6.5 inch screen and 1242 × 2688 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.