Between the Swift Edge 16 and Zenbook S 14 UX5406, the Swift Edge 16 comes out ahead in screen size, while the Zenbook S 14 UX5406 wins on ram / claimed battery life. Overall, the Swift Edge 16 scores 61.8 and the Zenbook S 14 UX5406 scores 64.2 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (61.8 vs 64.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Swift Edge 16 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are screen size.
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 ram, claimed battery life, battery, among others.
Both ship with comparable storage, refresh rate, cpu cores, 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 Acer - Swift Edge 16 wins
- ▲Screen size — 14.29% more. 16 " vs 14 ".
Why ASUS - Zenbook S 14 UX5406 wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Claimed battery life — 33.33% more. 16 h vs 12 h.
- ▲Battery — 10.77% more. 72 Wh vs 65 Wh.
- ▲Thunderbolt ports — 2.00 more. 2 vs 0.
- ▲Weight — 0.03 kg less. 1.20 vs 1.23.
Spec comparison
Design
| Spec | Acer - Swift Edge 16 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Weight | 1.23 kg | 1.20 kglead |
| Thickness | 12.95 mm | 11.9 mmlead |
| Build material | magnesium | ceraluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Acer - Swift Edge 16 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Screen sizeⓘ | 16 "lead | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | Acer - Swift Edge 16 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| CPU | AMD Ryzen 7 8840U | Intel Core Ultra 7 258V |
| CPU cores | 8 | 8 |
| GPUⓘ | AMD Radeon 780M | Intel Arc 140V |
| RAMⓘ | 16 GB | 32 GBlead |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Acer - Swift Edge 16 | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Batteryⓘ | 65 Wh | 72 Whlead |
| Claimed battery life | 12 h | 16 hlead |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 0 | 2lead |
| HDMI | true | true |
Frequently asked
Which has better battery life, Swift Edge 16 or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 claims up to 16 hours — 12h vs 16h.
Which is lighter, Swift Edge 16 or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 is lighter at 1.20 kg vs 1.23 kg.
Which has more RAM, Swift Edge 16 or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 offers 32GB of RAM.
Which has an OLED display, Swift Edge 16 or Zenbook S 14 UX5406?+
Both have OLED displays.
Spec-level deep dives
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