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Dell - Alienware m18 R2 vs ASUS - ROG Strix G16 (2025)

Last updated · How Mars Score works
Alienware m18 R2DELLRENDER
Probe A
Dell
Alienware m18 R2
81.9/ 100A
Performance72· 35%
Battery & Ports93· 27%
Design· 20%
Display84· 18%
ROG Strix G16 (2025)ASUSRENDER
Probe B
ASUS
ROG Strix G16 (2025)
80.9/ 100A
Performance72· 35%
Battery & Ports88· 27%
Design· 20%
Display88· 18%
Quick verdict

Between the Alienware m18 R2 and ROG Strix G16 (2025), the Alienware m18 R2 comes out ahead in screen size and battery, while the ROG Strix G16 (2025) wins on claimed battery life and refresh rate. Overall, the Alienware m18 R2 scores 81.9 and the ROG Strix G16 (2025) scores 80.9 on our Mars Score.

Buying advice

Which should you buy?

These two are nearly even on the Mars Score (81.9 vs 80.9). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the Alienware m18 R2 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are screen size, battery.

Pick the ROG Strix G16 (2025) if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are claimed battery life, refresh rate, weight.

Both ship with comparable ram, storage, cpu cores, so those specs don't separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.

Why Dell - Alienware m18 R2 wins

  • Screen size — 12.50% more. 18 " vs 16 ".
  • Battery — 7.78% more. 97 Wh vs 90 Wh.

Why ASUS - ROG Strix G16 (2025) wins

  • Claimed battery life — 50.00% more. 9 h vs 6 h.
  • Refresh rate — 45.45% more. 240 Hz vs 165 Hz.
  • Weight — 1.63 kg less. 2.5 vs 4.13.
Full readout

Spec comparison

Design

SpecDell - Alienware m18 R2ASUS - ROG Strix G16 (2025)
Weight4.13 kg2.5 kglead
Thickness27.4 mm26.9 mmlead
Build materialmagnesium-aluminumaluminum
Backlit keyboardtruetrue
Fingerprint readerfalsefalse

Display

SpecDell - Alienware m18 R2ASUS - ROG Strix G16 (2025)
Screen size18 "lead16 "
Refresh rate165 Hz240 Hzlead
Panel typeIPSIPS

Performance

SpecDell - Alienware m18 R2ASUS - ROG Strix G16 (2025)
CPUIntel Core i9-14900HXIntel Core Ultra 9 275HX
CPU cores2424
GPUNVIDIA GeForce RTX 4080 LaptopNVIDIA GeForce RTX 5070 Ti Laptop
RAM32 GB32 GB
Storage1024 GB1024 GB
Storage typeSSDSSD

Battery & Ports

SpecDell - Alienware m18 R2ASUS - ROG Strix G16 (2025)
Battery97 Whlead90 Wh
Claimed battery life6 h9 hlead
USB-C ports22
Thunderbolt ports11
HDMItruetrue
Reader questions

Frequently asked

Which has better battery life, Alienware m18 R2 or ROG Strix G16 (2025)?+

ROG Strix G16 (2025) claims up to 9 hours — 6h vs 9h.

Which is lighter, Alienware m18 R2 or ROG Strix G16 (2025)?+

ROG Strix G16 (2025) is lighter at 2.5 kg vs 4.13 kg.

Which has an OLED display, Alienware m18 R2 or ROG Strix G16 (2025)?+

Neither model has an OLED display.

Drill down

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