ASUS - Zenbook Duo (2024) vs ASUS - Zenbook S 14 UX5406
Between the Zenbook Duo (2024) and Zenbook S 14 UX5406, the Zenbook Duo (2024) comes out ahead in cpu cores / battery, while the Zenbook S 14 UX5406 wins on claimed battery life / weight. Overall, the Zenbook Duo (2024) scores 68.1 and the Zenbook S 14 UX5406 scores 64.2 on our Mars Score.
Which should you buy?
The Zenbook Duo (2024) edges ahead on the Mars Score (68.1 vs 64.2), but the 3.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
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 cpu cores, battery.
Pick the Zenbook S 14 UX5406 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.
Both ship with comparable ram, storage, screen size, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Why ASUS - Zenbook Duo (2024) wins
- ▲CPU cores — 100.00% more. 16 vs 8.
- ▲Battery — 4.17% more. 75 Wh vs 72 Wh.
Why ASUS - Zenbook S 14 UX5406 wins
- ▲Claimed battery life — 33.33% more. 16 h vs 12 h.
- ▲Weight — 0.45 kg less. 1.20 vs 1.65.
Spec comparison
Design
| Spec | ASUS - Zenbook Duo (2024) | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Weight | 1.65 kg | 1.20 kglead |
| Thickness | 14.6 mm | 11.9 mmlead |
| Build material | aluminum | ceraluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | ASUS - Zenbook Duo (2024) | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Screen sizeⓘ | 14 " | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | ASUS - Zenbook Duo (2024) | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| CPU | Intel Core Ultra 9 185H | Intel Core Ultra 7 258V |
| CPU cores | 16lead | 8 |
| GPUⓘ | Intel Arc Graphics | Intel Arc 140V |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | ASUS - Zenbook Duo (2024) | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Batteryⓘ | 75 Whlead | 72 Wh |
| Claimed battery life | 12 h | 16 hlead |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | true | true |
Frequently asked
Which has better battery life, Zenbook Duo (2024) or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 claims up to 16 hours — 12h vs 16h.
Which is lighter, Zenbook Duo (2024) or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 is lighter at 1.20 kg vs 1.65 kg.
Which has an OLED display, Zenbook Duo (2024) or Zenbook S 14 UX5406?+
Both have OLED displays.
Spec-level deep dives
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.