iPhone 17 Air — 456.9 PPI
The ultra-thin iPhone 17 Air features a 6.6-inch OLED panel delivering crisp resolution in an ultra-slim chassis.
456.9
PPI
Retina-classAt 457 PPI, this is an exceptionally high pixel density. Well beyond the perceptual limit for most viewing scenarios. Common on flagship phones where manufacturers prioritize display specifications.
Compare with similar phones
457.6 PPI
iPhone 17 Pro Max
1320×2868 · 6.9″ · Retina-class
458.1 PPI
iPhone 17 Pro
1206×2622 · 6.3″ · Retina-class
461.4 PPI
iPhone 17
1179×2556 · 6.1″ · Retina-class
457.6 PPI
iPhone 16 Pro Max
1320×2868 · 6.9″ · Retina-class
458.1 PPI
iPhone 16 Pro
1206×2622 · 6.3″ · Retina-class
459.6 PPI
iPhone 16 Plus
1290×2796 · 6.7″ · Retina-class
Calculate any screen's PPI
PPI Calculator
√(W²+H²) ÷ size — precise to 0.1 PPIUnit:
in
Use the diagonal printed on the box or spec sheet.
in wide
For when you measured the viewable width with a ruler.
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PPI
—PPI = √(W² + H²) ÷ diagonal · Retina-class estimate ≥ 300 PPI (approximate; depends on viewing distance)