Between the Swift Go 14 AI and Yoga 9i Gen 9, the Swift Go 14 AI comes out ahead in weight, while the Yoga 9i Gen 9 wins on cpu cores / refresh rate. Overall, the Swift Go 14 AI scores 58.9 and the Yoga 9i Gen 9 scores 65.9 on our Mars Score.
Which should you buy?
The Yoga 9i Gen 9 edges ahead on the Mars Score (58.9 vs 65.9), but the 7.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Swift Go 14 AI if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight.
Pick the Yoga 9i Gen 9 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 cpu cores, refresh rate, battery.
Both ship with comparable ram, storage, claimed battery life, so those specs do not separate the two — focus on the differences below.
Bottom line: the Yoga 9i Gen 9 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
- ▲Weight — 0.01 kg less. 1.35 vs 1.36.
Why Lenovo - Yoga 9i Gen 9 wins
- ▲CPU cores — 100.00% more. 16 vs 8.
- ▲Refresh rate — 33.33% more. 120 Hz vs 90 Hz.
- ▲Battery — 15.38% more. 75 Wh vs 65 Wh.
Spec comparison
Design
| Spec | Acer - Swift Go 14 AI | Lenovo - Yoga 9i Gen 9 |
|---|---|---|
| Weight | 1.35 kglead | 1.36 kg |
| Thickness | 14.9 mmlead | 16 mm |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Acer - Swift Go 14 AI | Lenovo - Yoga 9i Gen 9 |
|---|---|---|
| Screen sizeⓘ | 14 " | 14 " |
| Refresh rateⓘ | 90 Hz | 120 Hzlead |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | Acer - Swift Go 14 AI | Lenovo - Yoga 9i Gen 9 |
|---|---|---|
| CPU | Intel Core Ultra 7 258V | Intel Core Ultra 7 155H |
| CPU cores | 8 | 16lead |
| GPUⓘ | Intel Arc 140V | Intel Arc Graphics |
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Acer - Swift Go 14 AI | Lenovo - Yoga 9i Gen 9 |
|---|---|---|
| Batteryⓘ | 65 Wh | 75 Whlead |
| Claimed battery life | 15 h | 15 h |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Swift Go 14 AI or Yoga 9i Gen 9?+
Yoga 9i Gen 9 claims up to 15 hours — 15h vs 15h.
Which is lighter, Swift Go 14 AI or Yoga 9i Gen 9?+
Swift Go 14 AI is lighter at 1.35 kg vs 1.36 kg.
Which has an OLED display, Swift Go 14 AI or Yoga 9i Gen 9?+
Both have OLED displays.
Spec-level deep dives
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