Razer - Blade 16 (2025) vs ASUS - Zenbook S 14 UX5406
Between the Blade 16 (2025) and Zenbook S 14 UX5406, the Blade 16 (2025) comes out ahead in refresh rate / cpu cores, while the Zenbook S 14 UX5406 wins on claimed battery life / thunderbolt ports. Overall, the Blade 16 (2025) scores 76.5 and the Zenbook S 14 UX5406 scores 64.2 on our Mars Score.
Which should you buy?
The Blade 16 (2025) is the clear pick on raw spec strength, leading by 12.3 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 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, cpu cores, battery, among others.
Pick the Zenbook S 14 UX5406 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, thunderbolt ports, weight.
Both ship with comparable ram, storage, panel type, 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.
- ▲CPU cores — 50.00% more. 12 vs 8.
- ▲Battery — 25.00% more. 90 Wh vs 72 Wh.
- ▲Screen size — 14.29% more. 16 " vs 14 ".
Why ASUS - Zenbook S 14 UX5406 wins
- ▲Claimed battery life — 60.00% more. 16 h vs 10 h.
- ▲Thunderbolt ports — 1.00 more. 2 vs 1.
- ▲Weight — 0.94 kg less. 1.20 vs 2.14.
Spec comparison
Design
| Spec | Razer - Blade 16 (2025) | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Weight | 2.14 kg | 1.20 kglead |
| Thickness | 17.4 mm | 11.9 mmlead |
| Build material | aluminum | ceraluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | Razer - Blade 16 (2025) | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Screen sizeⓘ | 16 "lead | 14 " |
| Refresh rateⓘ | 240 Hzlead | 120 Hz |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | Razer - Blade 16 (2025) | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| CPU | AMD Ryzen AI 9 HX 370 | Intel Core Ultra 7 258V |
| CPU cores | 12lead | 8 |
| GPUⓘ | NVIDIA RTX 5090 Laptop | Intel Arc 140V |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Razer - Blade 16 (2025) | ASUS - Zenbook S 14 UX5406 |
|---|---|---|
| Batteryⓘ | 90 Whlead | 72 Wh |
| Claimed battery life | 10 h | 16 hlead |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 1 | 2lead |
| HDMI | true | true |
Frequently asked
Which has better battery life, Blade 16 (2025) or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 claims up to 16 hours — 10h vs 16h.
Which is lighter, Blade 16 (2025) or Zenbook S 14 UX5406?+
Zenbook S 14 UX5406 is lighter at 1.20 kg vs 2.14 kg.
Which has an OLED display, Blade 16 (2025) or Zenbook S 14 UX5406?+
Both have OLED displays.
Spec-level deep dives
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