Side-by-Side Display Comparison

MacBook Air 13" vs MacBook Air 15"

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

Display Sharpness & Size Summary

MacBook Air 13" has higher pixel density (+0.3 PPI)MacBook Air 15" has +26.3% larger screen area

Sharpness WinnerMacBook Air 13"+0.3 PPI (0.1% sharper)

Display Size WinnerMacBook Air 15"+22.3 sq in (+26.3%)

Pixel Density Ratio1.00×MacBook Air 13" has 1.0× the pixel density of MacBook Air 15".

MacBook Air 13" features a pixel density of 224.5 PPI compared to 224.2 PPI on the MacBook Air 15". That is an absolute difference of 0.3 PPI. MacBook Air 15" is 0.1% lower pixel density than MacBook Air 13".

Scale Lab · Physical Dimension Intelligence

Proportional Screen Dimensions

MacBook Air 15" is +26.3% larger in area

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

MacBook Air 13"

Dimensions11.40″ × 7.41″(29.0 × 18.8 cm)

Viewable Area84.5 sq in(545.3 cm²)

Aspect Ratio20:132560 × 1664 px

MacBook Air 15"Larger Display

Dimensions12.84″ × 8.31″(32.6 × 21.1 cm)

Viewable Area106.8 sq in(688.9 cm²)

Aspect Ratio1.55:12880 × 1864 px

Specification	MacBook Air 13"	MacBook Air 15"
Pixel Density (PPI) Higher density = finer detail	224.5 PPIHigher PPI	224.2 PPI
Viewable Screen Area Total surface area (width × height)	84.5 sq in(545.3 cm²)	106.8 sq in(688.9 cm²)Larger Screen
Resolution	2560 × 1664 px	2880 × 1864 px
Total Pixels Rendered pixel count	4,259,840 px(4.26 MP)	5,368,320 px(5.37 MP)More Pixels
Screen Diagonal	13.6″	15.3″
Aspect Ratio	20:13	1.55:1
Dot Pitch Pixel spacing (smaller = tighter)	0.113 mmFiner Pitch	0.113 mm
Physical Width × Height	11.40″ × 7.41″ (29.0 × 18.8 cm)	12.84″ × 8.31″ (32.6 × 21.1 cm)
20/20 Acuity Distance Where individual pixels disappear	15.3″ / 38.9 cm	15.3″ / 38.9 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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MacBook Air 13" vs MacBook Air 15"

Display Sharpness & Size Summary

Proportional Screen Dimensions

Display Analysis: Does Higher PPI Mean Better?

Popular Display Comparisons

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