Between the Zenbook Duo (2024) and Blade 16 (2025), the Zenbook Duo (2024) comes out ahead in cpu cores / claimed battery life, while the Blade 16 (2025) wins on refresh rate / battery. Overall, the Zenbook Duo (2024) scores 68.1 and the Blade 16 (2025) scores 76.5 on our Mars Score.
Which should you buy?
The Blade 16 (2025) 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 Zenbook Duo (2024) 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 cpu cores, claimed battery life, thunderbolt ports, among others.
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. Its strongest claims are refresh rate, battery, screen size.
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 ASUS - Zenbook Duo (2024) wins
- ▲CPU cores — 33.33% more. 16 vs 12.
- ▲Claimed battery life — 20.00% more. 12 h vs 10 h.
- ▲Thunderbolt ports — 1.00 more. 2 vs 1.
- ▲Weight — 0.49 kg less. 1.65 vs 2.14.
Why Razer - Blade 16 (2025) wins
- ▲Refresh rate — 100.00% more. 240 Hz vs 120 Hz.
- ▲Battery — 20.00% more. 90 Wh vs 75 Wh.
- ▲Screen size — 14.29% more. 16 " vs 14 ".
Spec comparison
Design
| Spec | ASUS - Zenbook Duo (2024) | Razer - Blade 16 (2025) |
|---|---|---|
| Weight | 1.65 kglead | 2.14 kg |
| Thickness | 14.6 mmlead | 17.4 mm |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | false |
Display
| Spec | ASUS - Zenbook Duo (2024) | Razer - Blade 16 (2025) |
|---|---|---|
| Screen sizeⓘ | 14 " | 16 "lead |
| Refresh rateⓘ | 120 Hz | 240 Hzlead |
| Panel typeⓘ | OLED | OLED |
Performance
| Spec | ASUS - Zenbook Duo (2024) | Razer - Blade 16 (2025) |
|---|---|---|
| CPU | Intel Core Ultra 9 185H | AMD Ryzen AI 9 HX 370 |
| CPU cores | 16lead | 12 |
| GPUⓘ | Intel Arc Graphics | NVIDIA RTX 5090 Laptop |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | ASUS - Zenbook Duo (2024) | Razer - Blade 16 (2025) |
|---|---|---|
| Batteryⓘ | 75 Wh | 90 Whlead |
| Claimed battery life | 12 hlead | 10 h |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 2lead | 1 |
| HDMI | true | true |
Frequently asked
Which has better battery life, Zenbook Duo (2024) or Blade 16 (2025)?+
Zenbook Duo (2024) claims up to 12 hours — 12h vs 10h.
Which is lighter, Zenbook Duo (2024) or Blade 16 (2025)?+
Zenbook Duo (2024) is lighter at 1.65 kg vs 2.14 kg.
Which has an OLED display, Zenbook Duo (2024) or Blade 16 (2025)?+
Both have OLED displays.
Spec-level deep dives
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