Legion Slim 7i Gen 9 vs Acer Predator Helios 18

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

Acer Predator Helios 18 is NaN% taller

Legion Slim 7i Gen 9

mm×357mm

Acer Predator Helios 18

30mm×410mm

Scaled to real proportions

Specifications Comparison

Legion Slim 7i Gen 9

Lenovo

3 wins

Acer Predator Helios 18

Acer

3 wins

📱

Display

Diagonal screen measurement

Better

Legion Slim 7i Gen 9

16"

Acer Predator Helios 18

18"

Difference: 2" (12.5% more)

⚖️

Weight

Total device weight

Better

Legion Slim 7i Gen 9

1.99kg

Acer Predator Helios 18

3.25kg

Difference: 1.26kg (63.3% less)

🔋

Battery

Battery capacity in watt-hours

Better

Legion Slim 7i Gen 9

99.9Wh

Acer Predator Helios 18

90Wh

Difference: 9.9Wh (11.0% more)

💾

RAM

Random Access Memory for multitasking

Better

Legion Slim 7i Gen 9

32GB

Acer Predator Helios 18

64GB

Difference: 32GB (100.0% more)

💿

Storage

Internal storage capacity

Better

Legion Slim 7i Gen 9

1,024GB

Acer Predator Helios 18

2,048GB

Difference: 1,024GB (100.0% more)

🧠

Processor

CPU/SoC model

Legion Slim 7i Gen 9

Intel Core Ultra 9 185H

Acer Predator Helios 18

Intel Core i9-14900HX

💰

Price

Retail price in USD

Better

Legion Slim 7i Gen 9

2,299$

Acer Predator Helios 18

2,999$

Difference: 700$ (30.4% less)

Legion Slim 7i Gen 9

Acer Predator Helios 18

Winner in category

Last updated: March 22, 2026

Source: lenovo.com

Last updated: March 22, 2026

Source: acer.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

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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 Slim 7i Gen 9 View Acer Predator Helios 18 Display Weight Battery RAM Storage

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