OnePlus Open (Cover) — 431.6 PPI
The OnePlus Open cover display features a 6.31-inch Super Fluid LTPO OLED screen at 1116 × 2484 pixels with 431 PPI.
431.6
PPI
Retina-classAt 432 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
456.9 PPI
iPhone 17 Air
1260×2740 · 6.6″ · 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
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)