Between the Swift Go 14 AI and Zenbook S 14 UX5406, the Swift Go 14 AI comes out ahead in several specs, while the Zenbook S 14 UX5406 wins on ram / refresh rate. Overall, the Swift Go 14 AI scores 58.9 and the Zenbook S 14 UX5406 scores 64.2 on our Mars Score.
Which should you buy?
The Zenbook S 14 UX5406 edges ahead on the Mars Score (58.9 vs 64.2), but the 5.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The Swift Go 14 AI does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
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, refresh rate, battery, among others.
Both ship with comparable storage, screen size, cpu cores, so those specs do not separate the two — focus on the differences below.
Bottom line: the Zenbook S 14 UX5406 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Acer - Swift Go 14 AI wins
- No decisive advantages.
Why ASUS - Zenbook S 14 UX5406 wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Refresh rate — 33.33% more. 120 Hz vs 90 Hz.
- ▲Battery — 10.77% more. 72 Wh vs 65 Wh.
- ▲Claimed battery life — 6.67% more. 16 h vs 15 h.
- ▲Weight — 0.15 kg less. 1.20 vs 1.35.
Spec comparison
Design
| Spec | Acer - Swift Go 14 AI | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Weight | 1.35 kg | 1.20 kglead |
| Thickness | 14.9 mm | 11.9 mmlead |
| Build material | aluminum | ceraluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Acer - Swift Go 14 AI | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Screen sizeⓘ | 14 " | 14 " |
| Refresh rateⓘ | 90 Hz | 120 Hzlead |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | Acer - Swift Go 14 AI | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| CPU | Intel Core Ultra 7 258V | Intel Core Ultra 7 258V |
| CPU cores | 8 | 8 |
| GPUⓘ | Intel Arc 140V | Intel Arc 140V |
| RAMⓘ | 16 GB | 32 GBlead |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Acer - Swift Go 14 AI | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Batteryⓘ | 65 Wh | 72 Whlead |
| Claimed battery life | 15 h | 16 hlead |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | true | true |
Frequently asked
Which has better battery life, Swift Go 14 AI or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 claims up to 16 hours — 15h vs 16h.
Which is lighter, Swift Go 14 AI or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 is lighter at 1.20 kg vs 1.35 kg.
Which has more RAM, Swift Go 14 AI or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 offers 32GB of RAM.
Which has an OLED display, Swift Go 14 AI 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.