Samsung - Galaxy Book4 Ultra vs MSI - Stealth 14 AI Studio
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.
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.
Spec comparison
Design
| Spec | Samsung - Galaxy Book4 Ultra | MSI - Stealth 14 AI Studio |
|---|---|---|
| Weight | 1.86 kg | 1.7 kglead |
| Thickness | 16.5 mmlead | 19 mm |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Samsung - Galaxy Book4 Ultra | MSI - Stealth 14 AI Studio |
|---|---|---|
| Screen sizeⓘ | 16 "lead | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | Samsung - Galaxy Book4 Ultra | MSI - Stealth 14 AI Studio |
|---|---|---|
| CPU | Intel Core Ultra 9 185H | Intel Core Ultra 9 185H |
| CPU cores | 16 | 16 |
| GPUⓘ | NVIDIA RTX 4070 Laptop | NVIDIA GeForce RTX 4070 (Laptop) |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Samsung - Galaxy Book4 Ultra | MSI - Stealth 14 AI Studio |
|---|---|---|
| Batteryⓘ | 76 Whlead | 72 Wh |
| Claimed battery life | 11 hlead | 10 h |
| USB-C ports | 1 | 1 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | true | true |
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.
Spec-level deep dives
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