MacBook Air M3 15 vs ASUS ROG Flow X13

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

ASUS ROG Flow X13 is NaN% taller

MacBook Air M3 15

mm×345.4mm

ASUS ROG Flow X13

mm×299mm

Scaled to real proportions

Specifications Comparison

MacBook Air M3 15

Apple

3 wins

ASUS ROG Flow X13

ASUS

3 wins

📱

Display

Diagonal screen measurement

Better

MacBook Air M3 15

15.3"

ASUS ROG Flow X13

13.4"

Difference: 1.9" (14.2% more)

⚖️

Weight

Total device weight

Better

MacBook Air M3 15

1.51kg

ASUS ROG Flow X13

1.3kg

Difference: 0.21kg (16.2% less)

🔋

Battery

Battery capacity in watt-hours

Better

MacBook Air M3 15

66.5Wh

ASUS ROG Flow X13

62Wh

Difference: 4.5Wh (7.3% more)

💾

RAM

Random Access Memory for multitasking

Better

MacBook Air M3 15

16GB

ASUS ROG Flow X13

32GB

Difference: 16GB (100.0% more)

💿

Storage

Internal storage capacity

Better

MacBook Air M3 15

256GB

ASUS ROG Flow X13

1,024GB

Difference: 768GB (300.0% more)

🧠

Processor

CPU/SoC model

MacBook Air M3 15

Apple M3

ASUS ROG Flow X13

AMD Ryzen 9 7940HS

💰

Price

Retail price in USD

Better

MacBook Air M3 15

1,299$

ASUS ROG Flow X13

1,699$

Difference: 400$ (30.8% less)

MacBook Air M3 15

ASUS ROG Flow X13

Winner in category

Last updated: March 22, 2026

Source: apple.com

Last updated: March 22, 2026

Source: rog.asus.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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SizeVS Editorial Team

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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 ASUS ROG Flow X13 Display Weight Battery RAM Storage

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