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; launch prices were $700 and $1299. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 79/100 (a 4-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 (3,950,082 vs 2,780,751); the OnePlus 15s is noticeably lighter (195g vs 218g).
Profile comparison
Category scores
OnePlus 15s
Samsung Galaxy S25 Ultra
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 2780751
- Better Geekbench Single: 3639 vs 3100
- Better Geekbench Multi: 11047 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 at launch: $700 vs $1299
- Higher performance (98/100 vs 91/100)
- Longer battery life (89/100 vs 56/100)
- Better display (95/100 vs 88/100)
- Better portability (64/100 vs 46/100)
What makes Samsung Galaxy S25 Ultra better?
- Better main camera: 200MP vs 50MP
- Better camera (81/100 vs 53/100)
Comparison verdict
Comparing the OnePlus 15s vs the Samsung Galaxy S25 Ultra, the OnePlus 15s scores 4 points higher (83/100 vs 79/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 53/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 56/100). Value score: OnePlus 15s — 80/100, Samsung Galaxy S25 Ultra — 68/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus 15s is a bit better (98/100 vs 91/100). In the "display" category, the OnePlus 15s is a bit better (95/100 vs 88/100). In the "camera" category, the Samsung Galaxy S25 Ultra notably outperforms the OnePlus 15s (81/100 vs 53/100). In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S25 Ultra (89/100 vs 56/100). In the "portability" category, the OnePlus 15s notably outperforms the Samsung Galaxy S25 Ultra (64/100 vs 46/100).
Specs comparison
| Specification | OnePlus 15s | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3950082 | 2780751 | |
| Geekbench Single | 3639 | 3100 | |
| Geekbench Multi | 11047 | 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 | |
| Launch price | $700 | $1299 |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
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
Battery and charging
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
Overall performance score
We compared OnePlus 15s and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Samsung Galaxy S25 Ultra by 42.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $599. OnePlus 15s was $599 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15s is a bit better (98/100 vs 91/100).
display
In the "display" category, the OnePlus 15s is a bit better (95/100 vs 88/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra notably outperforms the OnePlus 15s (81/100 vs 53/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S25 Ultra (89/100 vs 56/100).
portability
In the "portability" category, the OnePlus 15s notably outperforms the Samsung Galaxy S25 Ultra (64/100 vs 46/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Samsung Galaxy S25 Ultra?
The OnePlus 15s edges out the Samsung Galaxy S25 Ultra by just 4 points — the two devices are very close in overall level.
What is the rating of the OnePlus 15s and the Samsung Galaxy S25 Ultra?
The OnePlus 15s has a MobileRank rating of 83/100, the Samsung Galaxy S25 Ultra — 79/100.
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 53/100).
Which is more powerful: the OnePlus 15s or the Samsung Galaxy S25 Ultra?
The OnePlus 15s leads on performance (98/100 vs 91/100).
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, budget-conscious buyers. The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.