HP - OmniBook Ultra 14 vs ASUS - Vivobook S 14 OLED (2025)
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | HP - OmniBook Ultra 14 | ASUS - Vivobook S 14 OLED (2025) |
|---|---|---|
| RAM | 32 GB | 16 GB |
| Refresh rate | 60 Hz | 120 Hz |
| Claimed battery life | 21 h | 16 h |
| CPU cores | 12 | 10 |
| Battery | 68 Wh | 75 Wh |
| Panel type | IPS | OLED |
Between the OmniBook Ultra 14 and Vivobook S 14 OLED (2025), the OmniBook Ultra 14 comes out ahead in ram / claimed battery life, while the Vivobook S 14 OLED (2025) wins on refresh rate / battery. Overall, the OmniBook Ultra 14 scores 66.1 and the Vivobook S 14 OLED (2025) scores 68.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (66.1 vs 68.1). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
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 ram, claimed battery life, cpu cores. The single most decisive one: RAM — 100.00% more. 32 GB vs 16 GB.
Pick the Vivobook S 14 OLED (2025) if you care most about refresh rate / battery. Its strongest claims are refresh rate, battery, panel type, among others. The single most decisive one: Refresh rate — 100.00% more. 120 Hz vs 60 Hz.
Both ship with comparable storage, screen size, thunderbolt ports, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: HP - OmniBook Ultra 14 or ASUS - Vivobook S 14 OLED (2025)?
ASUS - Vivobook S 14 OLED (2025) leads the current Mars Score by 2.0 points.The more useful decision is the trade-off behind that result: compare ram, weight, battery against the way you will actually use the product.
Choose HP - OmniBook Ultra 14 if…
HP - OmniBook Ultra 14 has the measurable edge on ram gb, claimed battery h, cpu cores.
Choose ASUS - Vivobook S 14 OLED (2025) if…
ASUS - Vivobook S 14 OLED (2025) has the measurable edge on refresh rate hz, battery wh, panel type.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why HP - OmniBook Ultra 14 wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Claimed battery life — 31.25% more. 21 h vs 16 h.
- ▲CPU cores — 20.00% more. 12 vs 10.
Why ASUS - Vivobook S 14 OLED (2025) wins
- ▲Refresh rate — 100.00% more. 120 Hz vs 60 Hz.
- ▲Battery — 10.29% more. 75 Wh vs 68 Wh.
- ▲Panel type: OLED (vs IPS).
- ▲Weight — 0.20 kg less. 1.3 vs 1.5.
Spec comparison
Design
| Spec | HP - OmniBook Ultra 14 | ASUS - Vivobook S 14 OLED (2025) |
|---|---|---|
| Weight | 1.5 kg | 1.3 kglead |
| Thickness | 17 mm | 13.9 mmlead |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | HP - OmniBook Ultra 14 | ASUS - Vivobook S 14 OLED (2025) |
|---|---|---|
| Screen size | 14 " | 14 " |
| Refresh rateⓘ | 60 Hz | 120 Hzlead |
| Panel typeⓘ | IPS | OLEDlead |
Performance
| Spec | HP - OmniBook Ultra 14 | ASUS - Vivobook S 14 OLED (2025) |
|---|---|---|
| CPU | AMD Ryzen AI 9 HX 375 | AMD Ryzen AI 9 365 |
| CPU cores | 12lead | 10 |
| GPUⓘ | AMD Radeon 890M | AMD Radeon 880M |
| RAMⓘ | 32 GBlead | 16 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | HP - OmniBook Ultra 14 | ASUS - Vivobook S 14 OLED (2025) |
|---|---|---|
| Batteryⓘ | 68 Wh | 75 Whlead |
| Claimed battery life | 21 hlead | 16 h |
| USB-C portsⓘ | 2 | 2 |
| Thunderbolt portsⓘ | 0 | 0 |
| HDMI | false | truelead |
Frequently asked
Which has better battery life, OmniBook Ultra 14 or Vivobook S 14 OLED (2025)?+
OmniBook Ultra 14 claims up to 21 hours — 21h vs 16h.
Which is lighter, OmniBook Ultra 14 or Vivobook S 14 OLED (2025)?+
Vivobook S 14 OLED (2025) is lighter at 1.3 kg vs 1.5 kg.
Which has more RAM, OmniBook Ultra 14 or Vivobook S 14 OLED (2025)?+
OmniBook Ultra 14 offers 32GB of RAM.
Which has an OLED display, OmniBook Ultra 14 or Vivobook S 14 OLED (2025)?+
Vivobook S 14 OLED (2025) has an OLED display; OmniBook Ultra 14 uses IPS.