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Xiaomi 15 Pro — 521.4 PPI

The Xiaomi 15 Pro features a 6.73-inch 2K LTPO OLED display at 1440 × 3200 pixels with 522 PPI.

521.4
PPI
Retina-class

At 521 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.

Resolution
1440 × 3200
Screen size
6.73″
Aspect ratio
9:20
Dot pitch
0.049 mm
Total pixels
4,608,000 px
Megapixels
4.61 MP
Retina estimate
Yes ✓
Min. view distance
6.6″ / 16.7 cm

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√(W²+H²) ÷ size — precise to 0.1 PPI
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in
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PPI
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Retina estimate
Dot pitch
Total pixels
Aspect ratio
Megapixels
Min. view distance
PPI = √(W² + H²) ÷ diagonal · Retina-class estimate ≥ 300 PPI (approximate; depends on viewing distance)