Samsung - Galaxy Book4 Ultra vs Microsoft - Surface Laptop 7 (15)
Between the Galaxy Book4 Ultra and Surface Laptop 7 (15), the Galaxy Book4 Ultra comes out ahead in ram and storage, while the Surface Laptop 7 (15) wins on claimed battery life and weight. Overall, the Galaxy Book4 Ultra scores 70.1 and the Surface Laptop 7 (15) scores 61.7 on our Mars Score.
Which should you buy?
The Galaxy Book4 Ultra is the clear pick on raw spec strength, leading by 8.4 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 Book4 Ultra if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are ram, storage, cpu cores, among others.
Pick the Surface Laptop 7 (15) 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 refresh rate, backlit keyboard, so those specs don't 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 Book4 Ultra wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
- ▲CPU cores — 33.33% more. 16 vs 12.
- ▲Battery — 15.15% more. 76 Wh vs 66 Wh.
- ▲Screen size — 6.67% more. 16 " vs 15 ".
- ▲Thunderbolt ports — 2.00 more. 2 vs 0.
- ▲Panel type: OLED (vs IPS).
Why Microsoft - Surface Laptop 7 (15) wins
- ▲Claimed battery life — 100.00% more. 22 h vs 11 h.
- ▲Weight — 0.20 kg less. 1.66 vs 1.86.
Spec comparison
Design
| Spec | Samsung - Galaxy Book4 Ultra | Microsoft - Surface Laptop 7 (15) |
|---|---|---|
| Weight | 1.86 kg | 1.66 kglead |
| Thickness | 16.5 mmlead | 18.29 mm |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Samsung - Galaxy Book4 Ultra | Microsoft - Surface Laptop 7 (15) |
|---|---|---|
| Screen sizeⓘ | 16 "lead | 15 " |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Panel typeⓘ | OLEDlead | IPS |
Performance
| Spec | Samsung - Galaxy Book4 Ultra | Microsoft - Surface Laptop 7 (15) |
|---|---|---|
| CPU | Intel Core Ultra 9 185H | Snapdragon X Elite X1E-80-100 |
| CPU cores | 16lead | 12 |
| GPUⓘ | NVIDIA RTX 4070 Laptop | Qualcomm Adreno |
| RAMⓘ | 32 GBlead | 16 GB |
| Storageⓘ | 1024 GBlead | 512 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Samsung - Galaxy Book4 Ultra | Microsoft - Surface Laptop 7 (15) |
|---|---|---|
| Batteryⓘ | 76 Whlead | 66 Wh |
| Claimed battery life | 11 h | 22 hlead |
| USB-C ports | 1 | 2lead |
| Thunderbolt portsⓘ | 2lead | 0 |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Galaxy Book4 Ultra or Surface Laptop 7 (15)?+
Surface Laptop 7 (15) claims up to 22 hours — 11h vs 22h.
Which is lighter, Galaxy Book4 Ultra or Surface Laptop 7 (15)?+
Surface Laptop 7 (15) is lighter at 1.66 kg vs 1.86 kg.
Which has more RAM, Galaxy Book4 Ultra or Surface Laptop 7 (15)?+
Galaxy Book4 Ultra offers 32GB of RAM.
Which has an OLED display, Galaxy Book4 Ultra or Surface Laptop 7 (15)?+
Galaxy Book4 Ultra has an OLED display; Surface Laptop 7 (15) uses IPS.
Spec-level deep dives
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