Side-by-Side Display Comparison

iPhone 13 vs iPhone 15

Compare screen pixel density, physical dimensions, viewable screen area, resolution, and dot pitch between iPhone 13 and iPhone 15.

Display Sharpness & Size Summary

iPhone 15 has higher pixel density (+4.2 PPI)

Sharpness WinneriPhone 15+4.2 PPI (0.9% sharper)

Display Size WinnerTie (Equal Area)14.2 sq in each

Pixel Density Ratio1.01×iPhone 15 has 1.0× the pixel density of iPhone 13.

iPhone 15 features a pixel density of 461.4 PPI compared to 457.3 PPI on the iPhone 13. That is an absolute difference of 4.2 PPI. iPhone 15 is 0.9% higher pixel density than iPhone 13.

Scale Lab · Physical Dimension Intelligence

Proportional Screen Dimensions

Equal Screen Area

Both screen silhouettes below are drawn strictly to scale relative to each other based on true physical width and height.

iPhone 13

Dimensions2.56″ × 5.54″(6.5 × 14.1 cm)

Viewable Area14.2 sq in(91.4 cm²)

Aspect Ratio0.46:11170 × 2532 px

iPhone 15

Dimensions2.56″ × 5.54″(6.5 × 14.1 cm)

Viewable Area14.2 sq in(91.3 cm²)

Aspect Ratio0.46:11179 × 2556 px

Specification	iPhone 13	iPhone 15
Pixel Density (PPI) Higher density = finer detail	457.3 PPI	461.4 PPIHigher PPI
Viewable Screen Area Total surface area (width × height)	14.2 sq in(91.4 cm²)	14.2 sq in(91.3 cm²)
Resolution	1170 × 2532 px	1179 × 2556 px
Total Pixels Rendered pixel count	2,962,440 px(2.96 MP)	3,013,524 px(3.01 MP)More Pixels
Screen Diagonal	6.1″	6.1″
Aspect Ratio	0.46:1	0.46:1
Dot Pitch Pixel spacing (smaller = tighter)	0.056 mm	0.055 mmFiner Pitch
Physical Width × Height	2.56″ × 5.54″ (6.5 × 14.1 cm)	2.56″ × 5.54″ (6.5 × 14.1 cm)
20/20 Acuity Distance Where individual pixels disappear	7.5″ / 19.1 cm	7.5″ / 18.9 cm

Display Analysis: Does Higher PPI Mean Better?

While a higher pixel density (PPI) means each individual pixel is physically smaller and harder to distinguish with the naked eye, higher PPI is not the only metric of display quality:

Viewing Distance Context: On a smartphone held 10 inches from your face, densities above ~350 PPI reach the human eye's resolving limit. On a laptop at 20 inches, ~220 PPI delivers equivalent visual clarity.
Panel Technology: Contrast ratio, peak brightness, color gamut coverage (such as DCI-P3 or Adobe RGB), and refresh rate (120Hz/240Hz) heavily influence image fidelity alongside PPI.
GPU & Battery Consumption: Denser displays require greater GPU rendering horsepower and battery power to push millions of extra subpixels.

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iPhone 13 vs iPhone 15

Display Sharpness & Size Summary

Proportional Screen Dimensions

Display Analysis: Does Higher PPI Mean Better?

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