Skip to content
vsMars
Head-to-head

Samsung - Galaxy Book4 Ultra vs MSI - Stealth 14 AI Studio

Last updated · How Mars Score works
Galaxy Book4 UltraSAMSUNGRENDER
Probe A
Samsung
Galaxy Book4 Ultra
70.1/ 100B
Performance65· 35%
Battery & Ports77· 27%
Design· 20%
Display70· 18%
Stealth 14 AI StudioMSIRENDER
Probe B
MSI
Stealth 14 AI Studio
67.3/ 100C
Performance65· 35%
Battery & Ports74· 27%
Design· 20%
Display61· 18%
Quick verdict

Between the Galaxy Book4 Ultra and Stealth 14 AI Studio, the Galaxy Book4 Ultra comes out ahead in screen size and claimed battery life, while the Stealth 14 AI Studio wins on weight. Overall, the Galaxy Book4 Ultra scores 70.1 and the Stealth 14 AI Studio scores 67.3 on our Mars Score.

Buying advice

Which should you buy?

These two are nearly even on the Mars Score (70.1 vs 67.3). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the Galaxy Book4 Ultra 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, claimed battery life, battery.

Pick the Stealth 14 AI Studio if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight.

Both ship with comparable ram, storage, refresh rate, 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 Samsung - Galaxy Book4 Ultra wins

  • Screen size — 14.29% more. 16 " vs 14 ".
  • Claimed battery life — 10.00% more. 11 h vs 10 h.
  • Battery — 5.56% more. 76 Wh vs 72 Wh.

Why MSI - Stealth 14 AI Studio wins

  • Weight — 0.16 kg less. 1.7 vs 1.86.
Full readout

Spec comparison

Design

SpecSamsung - Galaxy Book4 UltraMSI - Stealth 14 AI Studio
Weight1.86 kg1.7 kglead
Thickness16.5 mmlead19 mm
Build materialaluminumaluminum
Backlit keyboardtruetrue
Fingerprint readertruetrue

Display

SpecSamsung - Galaxy Book4 UltraMSI - Stealth 14 AI Studio
Screen size16 "lead14 "
Refresh rate120 Hz120 Hz
Panel typeOLEDOLED

Performance

SpecSamsung - Galaxy Book4 UltraMSI - Stealth 14 AI Studio
CPUIntel Core Ultra 9 185HIntel Core Ultra 9 185H
CPU cores1616
GPUNVIDIA RTX 4070 LaptopNVIDIA GeForce RTX 4070 (Laptop)
RAM32 GB32 GB
Storage1024 GB1024 GB
Storage typeSSDSSD

Battery & Ports

SpecSamsung - Galaxy Book4 UltraMSI - Stealth 14 AI Studio
Battery76 Whlead72 Wh
Claimed battery life11 hlead10 h
USB-C ports11
Thunderbolt ports22
HDMItruetrue
Reader questions

Frequently asked

Which has better battery life, Galaxy Book4 Ultra or Stealth 14 AI Studio?+

Galaxy Book4 Ultra claims up to 11 hours — 11h vs 10h.

Which is lighter, Galaxy Book4 Ultra or Stealth 14 AI Studio?+

Stealth 14 AI Studio is lighter at 1.7 kg vs 1.86 kg.

Which has an OLED display, Galaxy Book4 Ultra or Stealth 14 AI Studio?+

Both have OLED displays.

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.