HP - OmniBook Ultra 14 vs ASUS - ROG Zephyrus G16 (2025)
Between the OmniBook Ultra 14 and ROG Zephyrus G16 (2025), the OmniBook Ultra 14 comes out ahead in claimed battery life / weight, while the ROG Zephyrus G16 (2025) wins on refresh rate / battery. Overall, the OmniBook Ultra 14 scores 62.5 and the ROG Zephyrus G16 (2025) scores 76.5 on our Mars Score.
Which should you buy?
The ROG Zephyrus G16 (2025) is the clear pick on raw spec strength, leading by 14.0 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 OmniBook Ultra 14 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 ROG Zephyrus G16 (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, among others.
Both ship with comparable ram, storage, cpu cores, so those specs do not separate the two — focus on the differences below.
Bottom line: the ROG Zephyrus G16 (2025) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why HP - OmniBook Ultra 14 wins
- ▲Claimed battery life — 75.00% more. 21 h vs 12 h.
- ▲Weight — 0.35 kg less. 1.5 vs 1.85.
Why ASUS - ROG Zephyrus G16 (2025) wins
- ▲Refresh rate — 300.00% more. 240 Hz vs 60 Hz.
- ▲Battery — 32.35% more. 90 Wh vs 68 Wh.
- ▲Screen size — 14.29% more. 16 " vs 14 ".
- ▲Thunderbolt ports — 1.00 more. 1 vs 0.
- ▲Panel type: OLED (vs IPS).
Spec comparison
Design
| Spec | HP - OmniBook Ultra 14 | ASUS - ROG Zephyrus G16 (2025) |
|---|---|---|
| Weight | 1.5 kglead | 1.85 kg |
| Thickness | 17 mm | 16.4 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | HP - OmniBook Ultra 14 | ASUS - ROG Zephyrus G16 (2025) |
|---|---|---|
| Screen sizeⓘ | 14 " | 16 "lead |
| Refresh rateⓘ | 60 Hz | 240 Hzlead |
| Panel typeⓘ | IPS | OLEDlead |
Performance
| Spec | HP - OmniBook Ultra 14 | ASUS - ROG Zephyrus G16 (2025) |
|---|---|---|
| CPU | AMD Ryzen AI 9 HX 375 | AMD Ryzen AI 9 HX 370 |
| CPU cores | 12 | 12 |
| GPUⓘ | AMD Radeon 890M | NVIDIA GeForce RTX 5070 Ti Laptop |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | HP - OmniBook Ultra 14 | ASUS - ROG Zephyrus G16 (2025) |
|---|---|---|
| Batteryⓘ | 68 Wh | 90 Whlead |
| Claimed battery life | 21 hlead | 12 h |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 0 | 1lead |
| HDMI | false | truelead |
Frequently asked
Which has better battery life, OmniBook Ultra 14 or ROG Zephyrus G16 (2025)?+
OmniBook Ultra 14 claims up to 21 hours — 21h vs 12h.
Which is lighter, OmniBook Ultra 14 or ROG Zephyrus G16 (2025)?+
OmniBook Ultra 14 is lighter at 1.5 kg vs 1.85 kg.
Which has an OLED display, OmniBook Ultra 14 or ROG Zephyrus G16 (2025)?+
ROG Zephyrus G16 (2025) has an OLED display; OmniBook Ultra 14 uses IPS.
Spec-level deep dives
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