Samsung - Galaxy Book 5 Pro vs Lenovo - ThinkPad X9 14 Gen 1
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - Galaxy Book 5 Pro | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| RAM | 16 GB | 32 GB |
| Storage | 512 GB | 1024 GB |
| Claimed battery life | 21 h | 14 h |
| Battery | 63 Wh | 55 Wh |
| Weight | 1.23 kg | 1.27 kg |
Between the Galaxy Book 5 Pro and ThinkPad X9 14 Gen 1, the Galaxy Book 5 Pro comes out ahead in claimed battery life / battery, while the ThinkPad X9 14 Gen 1 wins on ram / storage. Overall, the Galaxy Book 5 Pro scores 64.3 and the ThinkPad X9 14 Gen 1 scores 65 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (64.3 vs 65). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Galaxy Book 5 Pro 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 claimed battery life, battery, weight. The single most decisive one: Claimed battery life — 50.00% more. 21 h vs 14 h.
Pick the ThinkPad X9 14 Gen 1 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are ram, storage. The single most decisive one: RAM — 100.00% more. 32 GB vs 16 GB.
Both ship with comparable screen size, 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.
Which should you buy: Samsung - Galaxy Book 5 Pro or Lenovo - ThinkPad X9 14 Gen 1?
Lenovo - ThinkPad X9 14 Gen 1 leads the current Mars Score by 0.7 points.The more useful decision is the trade-off behind that result: compare ram, weight, battery against the way you will actually use the product.
Choose Samsung - Galaxy Book 5 Pro if…
Samsung - Galaxy Book 5 Pro has the measurable edge on claimed battery h, battery wh, weight kg.
Choose Lenovo - ThinkPad X9 14 Gen 1 if…
Lenovo - ThinkPad X9 14 Gen 1 has the measurable edge on ram gb, storage gb.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Samsung - Galaxy Book 5 Pro wins
- ▲Claimed battery life — 50.00% more. 21 h vs 14 h.
- ▲Battery — 14.55% more. 63 Wh vs 55 Wh.
- ▲Weight — 0.04 kg less. 1.23 vs 1.27.
Why Lenovo - ThinkPad X9 14 Gen 1 wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
Spec comparison
Design
| Spec | Samsung - Galaxy Book 5 Pro | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| Weight | 1.23 kglead | 1.27 kg |
| Thickness | 11.6 mmlead | 13.8 mm |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Samsung - Galaxy Book 5 Pro | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| Screen size | 14 " | 14 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | Samsung - Galaxy Book 5 Pro | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| CPU | Intel Core Ultra 7 256V | Intel Core Ultra 7 268V |
| CPU cores | 8 | 8 |
| GPUⓘ | Intel Arc 140V | Intel Arc Graphics 140V |
| RAMⓘ | 16 GB | 32 GBlead |
| Storageⓘ | 512 GB | 1024 GBlead |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Samsung - Galaxy Book 5 Pro | Lenovo - ThinkPad X9 14 Gen 1 |
|---|---|---|
| Batteryⓘ | 63 Whlead | 55 Wh |
| Claimed battery life | 21 hlead | 14 h |
| USB-C portsⓘ | 1 | 2lead |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Galaxy Book 5 Pro or ThinkPad X9 14 Gen 1?+
Galaxy Book 5 Pro claims up to 21 hours — 21h vs 14h.
Which is lighter, Galaxy Book 5 Pro or ThinkPad X9 14 Gen 1?+
Galaxy Book 5 Pro is lighter at 1.23 kg vs 1.27 kg.
Which has more RAM, Galaxy Book 5 Pro or ThinkPad X9 14 Gen 1?+
ThinkPad X9 14 Gen 1 offers 32GB of RAM.
Which has an OLED display, Galaxy Book 5 Pro or ThinkPad X9 14 Gen 1?+
Both have OLED displays.