Acer Predator Helios 18 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 0.0% taller

Acer Predator Helios 18

30mm×410mm

Alienware m18 R2

30mm×426mm

Scaled to real proportions

Specifications Comparison

Acer Predator Helios 18

Acer

2 wins

Alienware m18 R2

Dell

1 wins

📱

Display

Diagonal screen measurement

= Tie

Acer Predator Helios 18

18"

Alienware m18 R2

18"

Difference: 0"

⚖️

Weight

Total device weight

Better

Acer Predator Helios 18

3.25kg

Alienware m18 R2

3.89kg

Difference: 0.64kg (19.7% less)

🔋

Battery

Battery capacity in watt-hours

Better

Acer Predator Helios 18

90Wh

Alienware m18 R2

97Wh

Difference: 7Wh (7.8% more)

💾

RAM

Random Access Memory for multitasking

= Tie

Acer Predator Helios 18

64GB

Alienware m18 R2

64GB

Difference: 0GB

💿

Storage

Internal storage capacity

= Tie

Acer Predator Helios 18

2,048GB

Alienware m18 R2

2,048GB

Difference: 0GB

🧠

Processor

CPU/SoC model

Acer Predator Helios 18

Intel Core i9-14900HX

Alienware m18 R2

Intel Core i9-14900HX

💰

Price

Retail price in USD

Better

Acer Predator Helios 18

2,999$

Alienware m18 R2

3,299$

Difference: 300$ (10.0% less)

Acer Predator Helios 18

Alienware m18 R2

Winner in category

Last updated: March 22, 2026

Source: acer.com

Last updated: March 22, 2026

Source: dell.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

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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 Acer Predator Helios 18 View Alienware m18 R2 Display Weight Battery RAM Storage

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