Legion 5 Pro Gen 9 vs Alienware m18 R2

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

Alienware m18 R2 is NaN% taller

Legion 5 Pro Gen 9

mm×355mm

Alienware m18 R2

30mm×426mm

Scaled to real proportions

Specifications Comparison

Legion 5 Pro Gen 9

Lenovo

2 wins

Alienware m18 R2

Dell

4 wins

📱

Display

Diagonal screen measurement

Better

Legion 5 Pro Gen 9

16"

Alienware m18 R2

18"

Difference: 2" (12.5% more)

⚖️

Weight

Total device weight

Better

Legion 5 Pro Gen 9

2.5kg

Alienware m18 R2

3.89kg

Difference: 1.39kg (55.6% less)

🔋

Battery

Battery capacity in watt-hours

Better

Legion 5 Pro Gen 9

80Wh

Alienware m18 R2

97Wh

Difference: 17Wh (21.3% more)

💾

RAM

Random Access Memory for multitasking

Better

Legion 5 Pro Gen 9

32GB

Alienware m18 R2

64GB

Difference: 32GB (100.0% more)

💿

Storage

Internal storage capacity

Better

Legion 5 Pro Gen 9

1,024GB

Alienware m18 R2

2,048GB

Difference: 1,024GB (100.0% more)

🧠

Processor

CPU/SoC model

Legion 5 Pro Gen 9

AMD Ryzen 9 7945HX

Alienware m18 R2

Intel Core i9-14900HX

💰

Price

Retail price in USD

Better

Legion 5 Pro Gen 9

1,799$

Alienware m18 R2

3,299$

Difference: 1,500$ (83.4% less)

Legion 5 Pro Gen 9

Alienware m18 R2

Winner in category

Last updated: March 22, 2026

Source: lenovo.com

Last updated: March 22, 2026

Source: dell.com

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Verified Data

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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 Legion 5 Pro Gen 9 View Alienware m18 R2 Display Weight Battery RAM Storage

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