ASUS - Zenbook Duo (2024) vs Lenovo - ThinkPad X9 14 Gen 1
Between the Zenbook Duo (2024) and ThinkPad X9 14 Gen 1, the Zenbook Duo (2024) comes out ahead in cpu cores / battery, while the ThinkPad X9 14 Gen 1 wins on claimed battery life / weight. Overall, the Zenbook Duo (2024) scores 68.1 and the ThinkPad X9 14 Gen 1 scores 59.4 on our Mars Score.
Which should you buy?
The Zenbook Duo (2024) is the clear pick on raw spec strength, leading by 8.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
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 ThinkPad X9 14 Gen 1 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: the Zenbook Duo (2024) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why ASUS - Zenbook Duo (2024) wins
- ▲CPU cores — 100.00% more. 16 vs 8.
- ▲Battery — 36.36% more. 75 Wh vs 55 Wh.
Why Lenovo - ThinkPad X9 14 Gen 1 wins
- ▲Claimed battery life — 16.67% more. 14 h vs 12 h.
- ▲Weight — 0.38 kg less. 1.27 vs 1.65.
Spec comparison
Design
| Spec | ASUS - Zenbook Duo (2024) | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| Weight | 1.65 kg | 1.27 kglead |
| Thickness | 14.6 mm | 13.8 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | ASUS - Zenbook Duo (2024) | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| Screen sizeⓘ | 14 " | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | ASUS - Zenbook Duo (2024) | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| CPU | Intel Core Ultra 9 185H | Intel Core Ultra 7 268V |
| CPU cores | 16lead | 8 |
| GPUⓘ | Intel Arc Graphics | Intel Arc Graphics 140V |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | ASUS - Zenbook Duo (2024) | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| Batteryⓘ | 75 Whlead | 55 Wh |
| Claimed battery life | 12 h | 14 hlead |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Zenbook Duo (2024) or ThinkPad X9 14 Gen 1?+
ThinkPad X9 14 Gen 1 claims up to 14 hours — 12h vs 14h.
Which is lighter, Zenbook Duo (2024) or ThinkPad X9 14 Gen 1?+
ThinkPad X9 14 Gen 1 is lighter at 1.27 kg vs 1.65 kg.
Which has an OLED display, Zenbook Duo (2024) or ThinkPad X9 14 Gen 1?+
Both have OLED displays.
Spec-level deep dives
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