ASUS - Zenbook Duo (2024) vs Samsung - Galaxy Book4 Ultra
Between the Zenbook Duo (2024) and Galaxy Book4 Ultra, the Zenbook Duo (2024) comes out ahead in claimed battery life and weight, while the Galaxy Book4 Ultra wins on screen size and battery. Overall, the Zenbook Duo (2024) scores 68.1 and the Galaxy Book4 Ultra scores 70.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (68.1 vs 70.1). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Zenbook Duo (2024) 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 claimed battery life, weight.
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. Its strongest claims are screen size, battery.
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 ASUS - Zenbook Duo (2024) wins
- ▲Claimed battery life — 9.09% more. 12 h vs 11 h.
- ▲Weight — 0.21 kg less. 1.65 vs 1.86.
Why Samsung - Galaxy Book4 Ultra wins
- ▲Screen size — 14.29% more. 16 " vs 14 ".
- ▲Battery — 1.33% more. 76 Wh vs 75 Wh.
Spec comparison
Design
| Spec | ASUS - Zenbook Duo (2024) | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Weight | 1.65 kglead | 1.86 kg |
| Thickness | 14.6 mmlead | 16.5 mm |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | ASUS - Zenbook Duo (2024) | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Screen sizeⓘ | 14 " | 16 "lead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | ASUS - Zenbook Duo (2024) | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| CPU | Intel Core Ultra 9 185H | Intel Core Ultra 9 185H |
| CPU cores | 16 | 16 |
| GPUⓘ | Intel Arc Graphics | NVIDIA RTX 4070 Laptop |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | ASUS - Zenbook Duo (2024) | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Batteryⓘ | 75 Wh | 76 Whlead |
| Claimed battery life | 12 hlead | 11 h |
| USB-C ports | 2lead | 1 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | true | true |
Frequently asked
Which has better battery life, Zenbook Duo (2024) or Galaxy Book4 Ultra?+
Zenbook Duo (2024) claims up to 12 hours — 12h vs 11h.
Which is lighter, Zenbook Duo (2024) or Galaxy Book4 Ultra?+
Zenbook Duo (2024) is lighter at 1.65 kg vs 1.86 kg.
Which has an OLED display, Zenbook Duo (2024) or Galaxy Book4 Ultra?+
Both have OLED displays.
Spec-level deep dives
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