Skip to content
vsMars
Head-to-head

Dell - Alienware m18 R2 vs Samsung - Galaxy Book 5 Pro

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%
Galaxy Book 5 ProSAMSUNGRENDER
Probe B
Samsung
Galaxy Book 5 Pro
58.3/ 100C
Performance50· 35%
Battery & Ports67· 27%
Design· 20%
Display61· 18%
Quick verdict

Between the Alienware m18 R2 and Galaxy Book 5 Pro, the Alienware m18 R2 comes out ahead in cpu cores and ram, while the Galaxy Book 5 Pro wins on claimed battery life and weight. Overall, the Alienware m18 R2 scores 81.9 and the Galaxy Book 5 Pro scores 58.3 on our Mars Score.

Buying advice

Which should you buy?

The Alienware m18 R2 is the clear pick on raw spec strength, leading by 23.6 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the Alienware m18 R2 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are cpu cores, ram, storage, among others.

Pick the Galaxy Book 5 Pro 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, weight, thunderbolt ports, among others.

Both ship with comparable backlit keyboard, so those specs don't separate the two — focus on the differences below.

Bottom line: the Alienware m18 R2 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Dell - Alienware m18 R2 wins

  • CPU cores — 200.00% more. 24 vs 8.
  • RAM — 100.00% more. 32 GB vs 16 GB.
  • Storage — 100.00% more. 1024 GB vs 512 GB.
  • Battery — 53.97% more. 97 Wh vs 63 Wh.
  • Refresh rate — 37.50% more. 165 Hz vs 120 Hz.
  • Screen size — 28.57% more. 18 " vs 14 ".

Why Samsung - Galaxy Book 5 Pro wins

  • Claimed battery life — 250.00% more. 21 h vs 6 h.
  • Weight — 2.90 kg less. 1.23 vs 4.13.
  • Thunderbolt ports — 1.00 more. 2 vs 1.
  • Panel type: OLED (vs IPS).
Full readout

Spec comparison

Design

SpecDell - Alienware m18 R2Samsung - Galaxy Book 5 Pro
Weight4.13 kg1.23 kglead
Thickness27.4 mm11.6 mmlead
Build materialmagnesium-aluminumaluminum
Backlit keyboardtruetrue
Fingerprint readerfalsetruelead

Display

SpecDell - Alienware m18 R2Samsung - Galaxy Book 5 Pro
Screen size18 "lead14 "
Refresh rate165 Hzlead120 Hz
Panel typeIPSOLEDlead

Performance

SpecDell - Alienware m18 R2Samsung - Galaxy Book 5 Pro
CPUIntel Core i9-14900HXIntel Core Ultra 7 256V
CPU cores24lead8
GPUNVIDIA GeForce RTX 4080 LaptopIntel Arc 140V
RAM32 GBlead16 GB
Storage1024 GBlead512 GB
Storage typeSSDSSD

Battery & Ports

SpecDell - Alienware m18 R2Samsung - Galaxy Book 5 Pro
Battery97 Whlead63 Wh
Claimed battery life6 h21 hlead
USB-C ports2lead1
Thunderbolt ports12lead
HDMItruetrue
Reader questions

Frequently asked

Which has better battery life, Alienware m18 R2 or Galaxy Book 5 Pro?+

Galaxy Book 5 Pro claims up to 21 hours — 6h vs 21h.

Which is lighter, Alienware m18 R2 or Galaxy Book 5 Pro?+

Galaxy Book 5 Pro is lighter at 1.23 kg vs 4.13 kg.

Which has more RAM, Alienware m18 R2 or Galaxy Book 5 Pro?+

Alienware m18 R2 offers 32GB of RAM.

Which has an OLED display, Alienware m18 R2 or Galaxy Book 5 Pro?+

Galaxy Book 5 Pro has an OLED display; Alienware m18 R2 uses IPS.

Drill down

Spec-level deep dives

By manufacturer

More from the same brands

vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.