Between the Alienware m18 R2 and OmniBook Ultra 14, the Alienware m18 R2 comes out ahead in refresh rate and cpu cores, while the OmniBook Ultra 14 wins on claimed battery life and weight. Overall, the Alienware m18 R2 scores 81.9 and the OmniBook Ultra 14 scores 62.5 on our Mars Score.
Which should you buy?
The Alienware m18 R2 is the clear pick on raw spec strength, leading by 19.4 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 Alienware m18 R2 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 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. Its strongest claims are claimed battery life, weight.
Both ship with comparable ram, storage, panel type, so those specs don't separate the two — focus on the differences below.
Bottom line: the Alienware m18 R2 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Dell - Alienware m18 R2 wins
- ▲Refresh rate — 175.00% more. 165 Hz vs 60 Hz.
- ▲CPU cores — 100.00% more. 24 vs 12.
- ▲Battery — 42.65% more. 97 Wh vs 68 Wh.
- ▲Screen size — 28.57% more. 18 " vs 14 ".
- ▲Thunderbolt ports — 1.00 more. 1 vs 0.
Why HP - OmniBook Ultra 14 wins
- ▲Claimed battery life — 250.00% more. 21 h vs 6 h.
- ▲Weight — 2.63 kg less. 1.5 vs 4.13.
Spec comparison
Design
| Spec | Dell - Alienware m18 R2 | HP - OmniBook Ultra 14 |
|---|---|---|
| Weight | 4.13 kg | 1.5 kglead |
| Thickness | 27.4 mm | 17 mmlead |
| Build material | magnesium-aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | false | truelead |
Display
| Spec | Dell - Alienware m18 R2 | HP - OmniBook Ultra 14 |
|---|---|---|
| Screen sizeⓘ | 18 "lead | 14 " |
| Refresh rateⓘ | 165 Hzlead | 60 Hz |
| Panel typeⓘ | IPS | IPS |
Performance
| Spec | Dell - Alienware m18 R2 | HP - OmniBook Ultra 14 |
|---|---|---|
| CPU | Intel Core i9-14900HX | AMD Ryzen AI 9 HX 375 |
| CPU cores | 24lead | 12 |
| GPUⓘ | NVIDIA GeForce RTX 4080 Laptop | AMD Radeon 890M |
| RAMⓘ | 32 GB | 32 GB |
| Storageⓘ | 1024 GB | 1024 GB |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Dell - Alienware m18 R2 | HP - OmniBook Ultra 14 |
|---|---|---|
| Batteryⓘ | 97 Whlead | 68 Wh |
| Claimed battery life | 6 h | 21 hlead |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 1lead | 0 |
| HDMI | truelead | false |
Frequently asked
Which has better battery life, Alienware m18 R2 or OmniBook Ultra 14?+
OmniBook Ultra 14 claims up to 21 hours — 6h vs 21h.
Which is lighter, Alienware m18 R2 or OmniBook Ultra 14?+
OmniBook Ultra 14 is lighter at 1.5 kg vs 4.13 kg.
Which has an OLED display, Alienware m18 R2 or OmniBook Ultra 14?+
Neither model has an OLED display.
Spec-level deep dives
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