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MacBook Air 13 vs 15-inch 2026 | Complete Comparison

The 13-inch MacBook Air is more portable and affordable starting at $1,099, while the 15-inch model offers 15% more screen real estate and better multitasking for $200 more, making the choice dependent on whether you prioritize mobility or workspace.

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MacBook Air 13-inch (M3/M4)

Compact ultrabook with 13.6-inch display starting at $1,099

Students, consultants, frequent travelers, and remote workers who prioritize mobility and budget

Score71%
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MA

MacBook Air 15-inch (M3/M4)

Spacious ultrabook with 15.3-inch display starting at $1,299

Video editors, software developers, designers, and professionals who spend extended time at desks and value screen real estate over maximum portability

Score71%
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Quick Answer

AI Summary

The 13-inch MacBook Air is more portable and affordable starting at $1,099, while the 15-inch model offers 15% more screen real estate and better multitasking for $200 more, making the choice dependent on whether you prioritize mobility or workspace.

Our Verdict

AI-assisted

Choose the 13-inch MacBook Air if you frequently travel, work in coffee shops, or need maximum portability without sacrificing performance—the $200 savings and 0.6 lbs weight advantage matter for mobile professionals. Choose the 15-inch if you spend most time at a desk or value a larger workspace for content creation, coding with multiple windows, or video editing, as the extra 15% screen real estate significantly improves productivity.

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MacBook Air 13-inch (M3/M4)
8.8/10
MacBook Air 15-inch (M3/M4)
6.3/10
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Choose MacBook Air 13-inch (M3/M4) if

Best pick

Students, consultants, frequent travelers, and remote workers who prioritize mobility and budget

M

Choose MacBook Air 15-inch (M3/M4) if

Video editors, software developers, designers, and professionals who spend extended time at desks and value screen real estate over maximum portability

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Key Differences at a Glance

  • Display Size:✓ MacBook Air 15-inch (M3/M4) wins(15.3 inches vs 13.6 inches)
  • Base Price (2026):✓ MacBook Air 13-inch (M3/M4) wins($1,099 vs $1,299)
  • Weight:✓ MacBook Air 13-inch (M3/M4) wins(2.7 lbs (1.24 kg) vs 3.3 lbs (1.5 kg))
See all 7 differences

Key Facts & Figures

7 numeric metrics compared

MetricMacBook Air 13-inch (M3/M4)MacBook Air 15-inch (M3/M4)Ratio
Screen Diagonal(inches)13.6 inches15.3 inches
Pixel Density(ppi)227 ppi218 ppi
Weight(lbs)2.7 lbs3.3 lbs
Thickness(millimeters)11.2 mm11.2 mm
Base Model Storage(GB)256 GB SSD256 GB SSD
Battery Life(hours)Up to 18 hoursUp to 18 hours
Starting Price (2026)(USD)$1,099$1,299

Sourced from publicly available data ·

Key Differences

7 attributes compared head-to-head

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3MacBook Air 13-inch (M3/M4)
MacBook Air 13-inch (M3/M4) leads2 ties
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2MacBook Air 15-inch (M3/M4)
  • Display Size

    MacBook Air 13-inch (M3/M4)

    13.6 inches

    MacBook Air 15-inch (M3/M4)

    15.3 inches(winner)

  • Base Price (2026)

    MacBook Air 13-inch (M3/M4)

    $1,099(winner)

    MacBook Air 15-inch (M3/M4)

    $1,299

  • Weight

    MacBook Air 13-inch (M3/M4)

    2.7 lbs (1.24 kg)(winner)

    MacBook Air 15-inch (M3/M4)

    3.3 lbs (1.5 kg)

  • Resolution

    MacBook Air 13-inch (M3/M4)

    2560×1600 pixels

    MacBook Air 15-inch (M3/M4)

    2880×1800 pixels(winner)

  • Pixel Density

    MacBook Air 13-inch (M3/M4)

    227 ppi(winner)

    MacBook Air 15-inch (M3/M4)

    218 ppi

  • Thickness

    MacBook Air 13-inch (M3/M4)

    0.44 inches (11.2 mm)

    MacBook Air 15-inch (M3/M4)

    0.44 inches (11.2 mm)

  • Battery Life (Official)

    MacBook Air 13-inch (M3/M4)

    Up to 18 hours

    MacBook Air 15-inch (M3/M4)

    Up to 18 hours

Full Comparison

MMacBook Air 13-inch (M3/M4)
MMacBook Air 15-inch (M3/M4)
Screen Diagonal(inches)
13.6 inches
15.3 inches
Native Resolution(pixels)
2560×1600
2880×1800
Pixel Density(ppi)
227 ppi
218 ppi
Weight(lbs)
2.7 lbs
3.3 lbs
Thickness(millimeters)
11.2 mm
11.2 mm
Base Model Storage(GB)
256 GB SSD
256 GB SSD
Battery Life(hours)
Up to 18 hours
Up to 18 hours
Starting Price (2026)(USD)
$1,099
$1,299

Pros & Cons

10 pros·4 cons across both

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MacBook Air 13-inch (M3/M4)

+5-2

Pros

  • Lightest option at 2.7 lbs with 0.44-inch thickness for maximum portability
  • Highest pixel density at 227 ppi delivers sharper text and images
  • $200 lower starting price ($1,099 vs $1,299)
  • Identical performance to 15-inch with up to 18-hour battery life
  • Fits easily in smaller bags and fits on airplane tray tables

Cons

  • Screen real estate limits comfortable multitasking with side-by-side windows
  • Video editing and design work on smaller display requires more scrolling and zooming
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MacBook Air 15-inch (M3/M4)

+5-2

Pros

  • 15% larger screen (15.3 vs 13.6 inches) significantly improves workspace and reduces eye strain
  • Higher resolution (2880×1800) with additional screen width for side-by-side windows
  • Ideal for content creators, developers, and video editors requiring multiple applications visible simultaneously
  • Only 0.6 lbs heavier (3.3 lbs total) maintains portability despite larger size
  • Same excellent performance and 18-hour battery life as 13-inch model

Cons

  • $200 higher starting price ($1,299 vs $1,099)
  • Slightly less portable—may not fit in compact laptop bags or smaller backpacks

Frequently Asked Questions

5 questions

  1. It depends on your use case. The 15-inch adds 15% more screen real estate and higher resolution, which significantly benefits developers, designers, and video editors working with multiple applications. For casual users, web browsing, and writing, the 13-inch's superior portability and lower cost offer better value. The identical performance (same M3/M4 chip) and battery life (18 hours) mean performance isn't the differentiator.

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