Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - Galaxy S25 Ultra | OnePlus 14 |
|---|---|---|
| Main camera | 200 MP | 50 MP |
| Wireless charging | 15 W | 50 W |
| Front camera | 12 MP | 32 MP |
| Wired charging | 45 W | 100 W |
| RAM | 12 GB | 16 GB |
| AnTuTu | 2150000 | 2700000 |
Between the Galaxy S25 Ultra and OnePlus 14, the Galaxy S25 Ultra comes out ahead in main camera / screen size, while the OnePlus 14 wins on wireless charging / front camera. Overall, the Galaxy S25 Ultra scores 73.3 and the OnePlus 14 scores 72.3 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (73.3 vs 72.3). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Galaxy S25 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. The biggest gaps in its favor are main camera, screen size, promised os updates. The single most decisive one: Main camera — 300.00% more. 200 MP vs 50 MP.
Pick the OnePlus 14 if you care most about wireless charging / front camera. Its strongest claims are wireless charging, front camera, wired charging, among others. The single most decisive one: Wireless charging — 233.33% more. 50 W vs 15 W.
Both ship with comparable refresh rate, 5g support, water resistance, 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: Samsung - Galaxy S25 Ultra or OnePlus 14?
Samsung - Galaxy S25 Ultra leads the current Mars Score by 1.0 points.The more useful decision is the trade-off behind that result: compare screen size, ram, pixel density, battery capacity against the way you will actually use the product.
Choose Samsung - Galaxy S25 Ultra if…
Samsung - Galaxy S25 Ultra has the measurable edge on main cam mp, screen size in, promised os years.
Choose OnePlus 14 if…
OnePlus 14 has the measurable edge on wireless charging w, front cam mp, wired charging w.
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 Samsung - Galaxy S25 Ultra wins
- ▲Main camera — 300.00% more. 200 MP vs 50 MP.
- ▲Screen size — 1.77% more. 6.9 " vs 6.78 ".
- ▲Promised OS updates: 7 (vs 4).
Why OnePlus 14 wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Front camera — 166.67% more. 32 MP vs 12 MP.
- ▲Wired charging — 122.22% more. 100 W vs 45 W.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲AnTuTu — 25.58% more. 2700000 vs 2150000.
- ▲Battery capacity — 20.00% more. 6000 mAh vs 5000 mAh.
- ▲Weight — 8.00 g less. 210 vs 218.
- ▲Pixel density — 1.80% more. 510 ppi vs 501 ppi.
Spec comparison
Design
| Spec | Samsung - Galaxy S25 Ultra | OnePlus 14 |
|---|---|---|
| Weight | 218 g | 210 glead |
| Thickness | 8.2 mmlead | 8.6 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | Samsung - Galaxy S25 Ultra | OnePlus 14 |
|---|---|---|
| Screen size | 6.9 "lead | 6.78 " |
| Pixel densityⓘ | 501 ppi | 510 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 4500 nitslead |
Performance
| Spec | Samsung - Galaxy S25 Ultra | OnePlus 14 |
|---|---|---|
| RAMⓘ | 12 GB | 16 GBlead |
| Storageⓘ | 256 GB | 512 GBlead |
| AnTuTuⓘ | 2150000 | 2700000lead |
| CPU total clockⓘ | 21.4 GHz | 22.6 GHzlead |
Cameras
| Spec | Samsung - Galaxy S25 Ultra | OnePlus 14 |
|---|---|---|
| Main cameraⓘ | 200 MPlead | 50 MP |
| Front camera | 12 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy S25 Ultra | OnePlus 14 |
|---|---|---|
| Battery capacityⓘ | 5000 mAh | 6000 mAhlead |
| Wired chargingⓘ | 45 W | 100 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Samsung - Galaxy S25 Ultra | OnePlus 14 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy S25 Ultra | OnePlus 14 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Galaxy S25 Ultra or OnePlus 14?+
OnePlus 14 has 20.0% more battery — 5000 mAh vs 6000 mAh.
Which is lighter, Galaxy S25 Ultra or OnePlus 14?+
OnePlus 14 is 8g lighter — 218g vs 210g.
Is Galaxy S25 Ultra waterproof?+
Galaxy S25 Ultra has an IP68 rating.
Does OnePlus 14 support 5G?+
Yes, OnePlus 14 supports 5G.
Which has more RAM, Galaxy S25 Ultra or OnePlus 14?+
OnePlus 14 offers 16GB of RAM.
Which has a better camera, Galaxy S25 Ultra or OnePlus 14?+
Galaxy S25 Ultra has a 200 MP main camera vs 50 MP.