Lenovo - Legion Pro 5i Gen 10 vs Samsung - Galaxy Book4 Ultra
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Lenovo - Legion Pro 5i Gen 10 | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Refresh rate | 240 Hz | 120 Hz |
| CPU cores | 24 | 16 |
| Claimed battery life | 8 h | 11 h |
| Battery | 80 Wh | 76 Wh |
| Thunderbolt ports | 1 | 2 |
| Weight | 2.5 kg | 1.86 kg |
Between the Legion Pro 5i Gen 10 and Galaxy Book4 Ultra, the Legion Pro 5i Gen 10 comes out ahead in refresh rate / cpu cores, while the Galaxy Book4 Ultra wins on claimed battery life / thunderbolt ports. Overall, the Legion Pro 5i Gen 10 scores 73.4 and the Galaxy Book4 Ultra scores 70.3 on our Mars Score.
Which should you buy?
The Legion Pro 5i Gen 10 edges ahead on the Mars Score (73.4 vs 70.3), but the 3.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Legion Pro 5i Gen 10 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 refresh rate, cpu cores, battery. The single most decisive one: Refresh rate — 100.00% more. 240 Hz vs 120 Hz.
Pick the Galaxy Book4 Ultra if you care most about claimed battery life / thunderbolt ports. Its strongest claims are claimed battery life, thunderbolt ports, weight, among others. The single most decisive one: Claimed battery life — 37.50% more. 11 h vs 8 h.
Both ship with comparable ram, storage, screen size, 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: Lenovo - Legion Pro 5i Gen 10 or Samsung - Galaxy Book4 Ultra?
Lenovo - Legion Pro 5i Gen 10 leads the current Mars Score by 3.1 points.The more useful decision is the trade-off behind that result: compare weight, battery against the way you will actually use the product.
Choose Lenovo - Legion Pro 5i Gen 10 if…
Lenovo - Legion Pro 5i Gen 10 has the measurable edge on refresh rate hz, cpu cores, battery wh.
Choose Samsung - Galaxy Book4 Ultra if…
Samsung - Galaxy Book4 Ultra has the measurable edge on claimed battery h, port thunderbolt count, weight kg.
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 Lenovo - Legion Pro 5i Gen 10 wins
- ▲Refresh rate — 100.00% more. 240 Hz vs 120 Hz.
- ▲CPU cores — 50.00% more. 24 vs 16.
- ▲Battery — 5.26% more. 80 Wh vs 76 Wh.
Why Samsung - Galaxy Book4 Ultra wins
- ▲Claimed battery life — 37.50% more. 11 h vs 8 h.
- ▲Thunderbolt ports — 1.00 more. 2 vs 1.
- ▲Weight — 0.64 kg less. 1.86 vs 2.5.
- ▲Panel type: OLED (vs IPS).
Spec comparison
Design
| Spec | Lenovo - Legion Pro 5i Gen 10 | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Weight | 2.5 kg | 1.86 kglead |
| Thickness | 26 mm | 16.5 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | Lenovo - Legion Pro 5i Gen 10 | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Screen size | 16 " | 16 " |
| Refresh rateⓘ | 240 Hzlead | 120 Hz |
| Panel typeⓘ | IPS | OLEDlead |
Performance
| Spec | Lenovo - Legion Pro 5i Gen 10 | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| CPU | Intel Core Ultra 9 275HX | Intel Core Ultra 9 185H |
| CPU cores | 24lead | 16 |
| GPUⓘ | NVIDIA GeForce RTX 5070 Laptop | NVIDIA RTX 4070 Laptop |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Lenovo - Legion Pro 5i Gen 10 | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Batteryⓘ | 80 Whlead | 76 Wh |
| Claimed battery life | 8 h | 11 hlead |
| USB-C portsⓘ | 2lead | 1 |
| Thunderbolt portsⓘ | 1 | 2lead |
| HDMI | true | true |
Frequently asked
Which has better battery life, Legion Pro 5i Gen 10 or Galaxy Book4 Ultra?+
Galaxy Book4 Ultra claims up to 11 hours — 8h vs 11h.
Which is lighter, Legion Pro 5i Gen 10 or Galaxy Book4 Ultra?+
Galaxy Book4 Ultra is lighter at 1.86 kg vs 2.5 kg.
Which has an OLED display, Legion Pro 5i Gen 10 or Galaxy Book4 Ultra?+
Galaxy Book4 Ultra has an OLED display; Legion Pro 5i Gen 10 uses IPS.