OnePlus 15 vs Samsung Galaxy S25 Ultra
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $799 and $1299. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 66/100 vs 61/100 (a 5-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 5000); the main camera is 50 MP vs 200 MP; the OnePlus 15 is faster in AnTuTu (3,621,671 vs 2,800,202).
OnePlus 15
Samsung Galaxy S25 Ultra
- Higher AnTuTu: 3621671 vs 2800202
- Bigger battery: 6500 vs 5000 mAh
- Lighter: 213g vs 218g
- Cheaper: $799 vs $1299
- Higher performance (77/100 vs 67/100)
- Longer battery life (48/100 vs 45/100)
- Better design/ergonomics (33/100 vs 27/100)
- Better value for money (55/100 vs 20/100)
- Better Geekbench Single: 3100 vs 3050
- Better Geekbench Multi: 9760 vs 9300
- Better main camera: 200MP vs 50MP
- Better camera (81/100 vs 34/100)
Comparing the OnePlus 15 vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 5 points higher (66/100 vs 61/100). In the "performance" category, the OnePlus 15 leads (77/100 vs 67/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 34/100). In the "value for money" category, the OnePlus 15 leads (55/100 vs 20/100). In the "performance" category, the OnePlus 15 is a bit better (77/100 vs 67/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the OnePlus 15 (81/100 vs 34/100). In the "battery" category, the OnePlus 15 and the Samsung Galaxy S25 Ultra are nearly equal (48/100 vs 45/100). In the "design" category, the OnePlus 15 is a bit better (33/100 vs 27/100). In the "value for money" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S25 Ultra (55/100 vs 20/100).
| Specification | OnePlus 15 | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3621671 | 2800202 | |
| Geekbench Single | 3050 | 3100 | |
| Geekbench Multi | 9300 | 9760 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | — | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 5000 mAh | |
| Charging | — | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 32 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | — | Android 15 / One UI 7 | |
| Brightness (peak) | 1800 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 161.4×76.7×8.1 mm | 162.8×77.6×8.2 mm | |
| Weight | 213 g | 218 g | |
| Price | $799 | $1299 |
OnePlus 15
- Main: 50MP
- Front: 32MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
OnePlus 15
- 6.8" AMOLED
- Refresh rate: 120 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
OnePlus 15
- 6500 mAh
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
We compared OnePlus 15 and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15 leads Samsung Galaxy S25 Ultra by 29.3% in our overall performance rating.
Price difference: $500. OnePlus 15 is cheaper by $500.
performance
In the "performance" category, the OnePlus 15 is a bit better (77/100 vs 67/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the OnePlus 15 (81/100 vs 34/100).
battery
In the "battery" category, the OnePlus 15 and the Samsung Galaxy S25 Ultra are nearly equal (48/100 vs 45/100).
design
In the "design" category, the OnePlus 15 is a bit better (33/100 vs 27/100).
value for money
In the "value for money" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S25 Ultra (55/100 vs 20/100).
Which is better: the OnePlus 15 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra edges out the OnePlus 15 by just 5 points — the two devices are very close in overall level.
What is the rating of the OnePlus 15 and the Samsung Galaxy S25 Ultra?
The OnePlus 15 has a MobileRank rating of 61/100, the Samsung Galaxy S25 Ultra — 66/100.
Which has the better camera: the OnePlus 15 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 34/100).
Which is more powerful: the OnePlus 15 or the Samsung Galaxy S25 Ultra?
The OnePlus 15 leads on performance (77/100 vs 67/100).
Should you choose the OnePlus 15 over the Samsung Galaxy S25 Ultra?
The OnePlus 15 is a better fit for active users. The Samsung Galaxy S25 Ultra is a better fit for active users, mobile photography enthusiasts.