Samsung - Galaxy Book 5 Pro vs Samsung - Galaxy Book4 Ultra
Between the Galaxy Book 5 Pro and Galaxy Book4 Ultra, the Galaxy Book 5 Pro comes out ahead in claimed battery life / weight, while the Galaxy Book4 Ultra wins on ram / storage. Overall, the Galaxy Book 5 Pro scores 58.3 and the Galaxy Book4 Ultra scores 70.1 on our Mars Score.
Which should you buy?
The Galaxy Book4 Ultra is the clear pick on raw spec strength, leading by 11.8 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 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, weight.
Pick the Galaxy Book4 Ultra 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, cpu cores, among others.
Both ship with comparable refresh rate, panel type, thunderbolt ports, so those specs do not separate the two — focus on the differences below.
Bottom line: the Galaxy Book4 Ultra is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Samsung - Galaxy Book 5 Pro wins
- ▲Claimed battery life — 90.91% more. 21 h vs 11 h.
- ▲Weight — 0.63 kg less. 1.23 vs 1.86.
Why Samsung - Galaxy Book4 Ultra wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
- ▲CPU cores — 100.00% more. 16 vs 8.
- ▲Battery — 20.63% more. 76 Wh vs 63 Wh.
- ▲Screen size — 14.29% more. 16 " vs 14 ".
Spec comparison
Design
| Spec | Samsung - Galaxy Book 5 Pro | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Weight | 1.23 kglead | 1.86 kg |
| Thickness | 11.6 mmlead | 16.5 mm |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Samsung - Galaxy Book 5 Pro | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Screen sizeⓘ | 14 " | 16 "lead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | Samsung - Galaxy Book 5 Pro | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| CPU | Intel Core Ultra 7 256V | Intel Core Ultra 9 185H |
| CPU cores | 8 | 16lead |
| GPUⓘ | Intel Arc 140V | NVIDIA RTX 4070 Laptop |
| RAMⓘ | 16 GB | 32 GBlead |
| Storageⓘ | 512 GB | 1024 GBlead |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Samsung - Galaxy Book 5 Pro | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Batteryⓘ | 63 Wh | 76 Whlead |
| Claimed battery life | 21 hlead | 11 h |
| USB-C ports | 1 | 1 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | true | true |
Frequently asked
Which has better battery life, Galaxy Book 5 Pro or Galaxy Book4 Ultra?+
Galaxy Book 5 Pro claims up to 21 hours — 21h vs 11h.
Which is lighter, Galaxy Book 5 Pro or Galaxy Book4 Ultra?+
Galaxy Book 5 Pro is lighter at 1.23 kg vs 1.86 kg.
Which has more RAM, Galaxy Book 5 Pro or Galaxy Book4 Ultra?+
Galaxy Book4 Ultra offers 32GB of RAM.
Which has an OLED display, Galaxy Book 5 Pro or Galaxy Book4 Ultra?+
Both have OLED displays.
Spec-level deep dives
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