OnePlus 15s vs Samsung Galaxy S25 Ultra
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $700 and $1299. By overall MobileRank rating, the OnePlus 15s leads — 77/100 vs 66/100 (a 11-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 5000); the main camera is 50 MP vs 200 MP; the OnePlus 15s is faster in AnTuTu (3,942,923 vs 2,800,202); the OnePlus 15s is noticeably lighter (195g vs 218g).
OnePlus 15s
Samsung Galaxy S25 Ultra
- Higher AnTuTu: 3942923 vs 2800202
- Better Geekbench Single: 3640 vs 3100
- Better Geekbench Multi: 11033 vs 9760
- Bigger battery: 7500 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Faster wireless charging: 50W vs 15W
- Lighter: 195g vs 218g
- Cheaper: $700 vs $1299
- Higher performance (92/100 vs 67/100)
- Longer battery life (82/100 vs 45/100)
- Better design/ergonomics (56/100 vs 27/100)
- Better value for money (62/100 vs 20/100)
- Better main camera: 200MP vs 50MP
- Better camera (81/100 vs 48/100)
Comparing the OnePlus 15s vs the Samsung Galaxy S25 Ultra, the OnePlus 15s scores 11 points higher (77/100 vs 66/100). In the "performance" category, the OnePlus 15s leads (92/100 vs 67/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 48/100). In the "battery" category, the OnePlus 15s leads (82/100 vs 45/100). In the "value for money" category, the OnePlus 15s leads (62/100 vs 20/100). In the "performance" category, the OnePlus 15s notably outperforms the Samsung Galaxy S25 Ultra (92/100 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 15s (81/100 vs 48/100). In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S25 Ultra (82/100 vs 45/100). In the "design" category, the OnePlus 15s notably outperforms the Samsung Galaxy S25 Ultra (56/100 vs 27/100). In the "value for money" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S25 Ultra (62/100 vs 20/100).
| Specification | OnePlus 15s | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3942923 | 2800202 | |
| Geekbench Single | 3640 | 3100 | |
| Geekbench Multi | 11033 | 9760 | |
| Display | 6.3" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 2640x1216 | 3120x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | 50W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 16 MP | 12 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / One UI 7 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 162.8×77.6×8.2 mm | |
| Weight | 195 g | 218 g | |
| Price | $700 | $1299 |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
We compared OnePlus 15s and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Samsung Galaxy S25 Ultra by 40.8% in our overall performance rating.
Price difference: $599. OnePlus 15s is cheaper by $599.
performance
In the "performance" category, the OnePlus 15s notably outperforms the Samsung Galaxy S25 Ultra (92/100 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 15s (81/100 vs 48/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S25 Ultra (82/100 vs 45/100).
design
In the "design" category, the OnePlus 15s notably outperforms the Samsung Galaxy S25 Ultra (56/100 vs 27/100).
value for money
In the "value for money" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S25 Ultra (62/100 vs 20/100).
Which is better: the OnePlus 15s or the Samsung Galaxy S25 Ultra?
The OnePlus 15s is noticeably better than the Samsung Galaxy S25 Ultra — the overall rating gap is 11 points.
What is the rating of the OnePlus 15s and the Samsung Galaxy S25 Ultra?
The OnePlus 15s has a MobileRank rating of 77/100, the Samsung Galaxy S25 Ultra — 66/100.
Which has the better camera: the OnePlus 15s or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 48/100).
Which is more powerful: the OnePlus 15s or the Samsung Galaxy S25 Ultra?
The OnePlus 15s leads on performance (92/100 vs 67/100).
Should you choose the OnePlus 15s over the Samsung Galaxy S25 Ultra?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy S25 Ultra is a better fit for active users, mobile photography enthusiasts.