Razer - Blade 16 (2025) vs Samsung - Galaxy Book4 Ultra
Between the Blade 16 (2025) and Galaxy Book4 Ultra, the Blade 16 (2025) comes out ahead in refresh rate / battery, while the Galaxy Book4 Ultra wins on cpu cores / claimed battery life. Overall, the Blade 16 (2025) scores 76.5 and the Galaxy Book4 Ultra scores 70.1 on our Mars Score.
Which should you buy?
The Blade 16 (2025) edges ahead on the Mars Score (76.5 vs 70.1), but the 6.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Blade 16 (2025) 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, battery.
Pick the Galaxy Book4 Ultra 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 cpu cores, claimed battery life, thunderbolt ports, among others.
Both ship with comparable ram, storage, screen size, so those specs do not separate the two — focus on the differences below.
Bottom line: the Blade 16 (2025) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Razer - Blade 16 (2025) wins
- ▲Refresh rate — 100.00% more. 240 Hz vs 120 Hz.
- ▲Battery — 18.42% more. 90 Wh vs 76 Wh.
Why Samsung - Galaxy Book4 Ultra wins
- ▲CPU cores — 33.33% more. 16 vs 12.
- ▲Claimed battery life — 10.00% more. 11 h vs 10 h.
- ▲Thunderbolt ports — 1.00 more. 2 vs 1.
- ▲Weight — 0.28 kg less. 1.86 vs 2.14.
Spec comparison
Design
| Spec | Razer - Blade 16 (2025) | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Weight | 2.14 kg | 1.86 kglead |
| Thickness | 17.4 mm | 16.5 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | Razer - Blade 16 (2025) | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Screen sizeⓘ | 16 " | 16 " |
| Refresh rateⓘ | 240 Hzlead | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | Razer - Blade 16 (2025) | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| CPU | AMD Ryzen AI 9 HX 370 | Intel Core Ultra 9 185H |
| CPU cores | 12 | 16lead |
| GPUⓘ | NVIDIA RTX 5090 Laptop | NVIDIA RTX 4070 Laptop |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Razer - Blade 16 (2025) | Samsung - Galaxy Book4 Ultra |
|---|---|---|
| Batteryⓘ | 90 Whlead | 76 Wh |
| Claimed battery life | 10 h | 11 hlead |
| USB-C ports | 2lead | 1 |
| Thunderbolt portsⓘ | 1 | 2lead |
| HDMI | true | true |
Frequently asked
Which has better battery life, Blade 16 (2025) or Galaxy Book4 Ultra?+
Galaxy Book4 Ultra claims up to 11 hours — 10h vs 11h.
Which is lighter, Blade 16 (2025) or Galaxy Book4 Ultra?+
Galaxy Book4 Ultra is lighter at 1.86 kg vs 2.14 kg.
Which has an OLED display, Blade 16 (2025) or Galaxy Book4 Ultra?+
Both have OLED displays.
Spec-level deep dives
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