MacBook Air M3 15 vs Galaxy Book3 Ultra

Side-by-side comparison with real-scale visuals and detailed specifications

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

Galaxy Book3 Ultra is NaN% taller

MacBook Air M3 15

mm×345.4mm

Galaxy Book3 Ultra

mm×356.6mm

Scaled to real proportions

Specifications Comparison

MacBook Air M3 15

Apple

2 wins

Galaxy Book3 Ultra

Samsung

4 wins

📱

Display

Diagonal screen measurement

Better

MacBook Air M3 15

15.3"

Galaxy Book3 Ultra

16"

Difference: 0.7" (4.6% more)

⚖️

Weight

Total device weight

Better

MacBook Air M3 15

1.51kg

Galaxy Book3 Ultra

1.79kg

Difference: 0.28kg (18.5% less)

🔋

Battery

Battery capacity in watt-hours

Better

MacBook Air M3 15

66.5Wh

Galaxy Book3 Ultra

76Wh

Difference: 9.5Wh (14.3% more)

💾

RAM

Random Access Memory for multitasking

Better

MacBook Air M3 15

16GB

Galaxy Book3 Ultra

32GB

Difference: 16GB (100.0% more)

💿

Storage

Internal storage capacity

Better

MacBook Air M3 15

256GB

Galaxy Book3 Ultra

1,024GB

Difference: 768GB (300.0% more)

🧠

Processor

CPU/SoC model

MacBook Air M3 15

Apple M3

Galaxy Book3 Ultra

Intel Core i9-13900H

💰

Price

Retail price in USD

Better

MacBook Air M3 15

1,299$

Galaxy Book3 Ultra

2,399$

Difference: 1,100$ (84.7% less)

MacBook Air M3 15

Galaxy Book3 Ultra

Winner in category

Last updated: March 22, 2026

Source: apple.com

Last updated: March 22, 2026

Source: samsung.com

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Verified Data

All specs verified from official sources

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Data refreshed when specs change

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Our comparison methodology is public

SizeVS Editorial Team

Verified

Product Comparison Specialists

Our team of tech enthusiasts and data analysts work to provide accurate, unbiased product comparisons.

Verified Data Sources Editorial Standards

Updated: March 24, 2026

Our methodology

Explore this matchup

View MacBook Air M3 15 View Galaxy Book3 Ultra Display Weight Battery RAM Storage

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