compatibility test
Screen PPI Calculator
Compare screens using actual pixel density rather than resolution alone.
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Screen PPI
Compare screens using actual pixel density rather than resolution alone.
This is a planning/compatibility calculation from the values you enter. DeviceOK does not claim to read charger protocols, battery health, cable electronics or mount certification from your browser.
Private by design
Calculated locally.
Use the result as evidence, not a guess.
This test checks
- Resolution
- Diagonal size
- Pixels per inch
How to read it
PPI is a density measure; perceived sharpness also depends on viewing distance and scaling.