IdeaPad Slim 5 16 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

IdeaPad Slim 5 16

mm×356mm

Alienware m18 R2

30mm×426mm

Scaled to real proportions

Specifications Comparison

IdeaPad Slim 5 16

Lenovo

2 wins

Alienware m18 R2

Dell

4 wins

📱

Display

Diagonal screen measurement

Better

IdeaPad Slim 5 16

16"

Alienware m18 R2

18"

Difference: 2" (12.5% more)

⚖️

Weight

Total device weight

Better

IdeaPad Slim 5 16

1.89kg

Alienware m18 R2

3.89kg

Difference: 2kg (105.8% less)

🔋

Battery

Battery capacity in watt-hours

Better

IdeaPad Slim 5 16

75Wh

Alienware m18 R2

97Wh

Difference: 22Wh (29.3% more)

💾

RAM

Random Access Memory for multitasking

Better

IdeaPad Slim 5 16

16GB

Alienware m18 R2

64GB

Difference: 48GB (300.0% more)

💿

Storage

Internal storage capacity

Better

IdeaPad Slim 5 16

512GB

Alienware m18 R2

2,048GB

Difference: 1,536GB (300.0% more)

🧠

Processor

CPU/SoC model

IdeaPad Slim 5 16

AMD Ryzen 7 7730U

Alienware m18 R2

Intel Core i9-14900HX

💰

Price

Retail price in USD

Better

IdeaPad Slim 5 16

899$

Alienware m18 R2

3,299$

Difference: 2,400$ (267.0% less)

IdeaPad Slim 5 16

Alienware m18 R2

Winner in category

Last updated: March 22, 2026

Source: lenovo.com

Last updated: March 22, 2026

Source: dell.com

Why Trust Our Comparisons

Verified Data

All specs verified from official sources

No Affiliate Bias

We don't earn from product sales

Regularly Updated

Data refreshed when specs change

Transparent Method

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 IdeaPad Slim 5 16 View Alienware m18 R2 Display Weight Battery RAM Storage

More related comparisons

IdeaPad Gaming 3vsAlienware m18 R2

Compare specs & size →

HP Omen 16vsAlienware m18 R2

Compare specs & size →

ASUS ROG Zephyrus G14vsAlienware m18 R2

Compare specs & size →

IdeaPad Slim 5 16vsLG Gram 17

Compare specs & size →

Acer Predator Helios 16vsAlienware m18 R2

Compare specs & size →

Acer Nitro 5vsAlienware m18 R2

Compare specs & size →