OnePlus 15s vs Samsung Galaxy S26 Ultra
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $700 and $1299. By overall MobileRank rating, the OnePlus 15s leads — 77/100 vs 75/100 (a 2-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 3,515,964); the OnePlus 15s is noticeably lighter (195g vs 214g).
OnePlus 15s
Samsung Galaxy S26 Ultra
- Higher AnTuTu: 3942923 vs 3515964
- Better Geekbench Single: 3640 vs 3601
- Better Geekbench Multi: 11033 vs 10686
- Bigger battery: 7500 vs 5000 mAh
- Faster charging: 100W vs 60W
- Higher refresh rate: 165Hz vs 120Hz
- Faster wireless charging: 50W vs 25W
- Lighter: 195g vs 214g
- Cheaper: $700 vs $1299
- Higher performance (92/100 vs 84/100)
- Longer battery life (82/100 vs 51/100)
- Better design/ergonomics (56/100 vs 32/100)
- Better value for money (62/100 vs 20/100)
- Better main camera: 200MP vs 50MP
- Better camera (86/100 vs 48/100)
Comparing the OnePlus 15s vs the Samsung Galaxy S26 Ultra, the OnePlus 15s scores 2 points higher (77/100 vs 75/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 48/100). In the "battery" category, the OnePlus 15s leads (82/100 vs 51/100). In the "value for money" category, the OnePlus 15s leads (62/100 vs 20/100). In the "performance" category, the OnePlus 15s is a bit better (92/100 vs 84/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the OnePlus 15s (86/100 vs 48/100). In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S26 Ultra (82/100 vs 51/100). In the "design" category, the OnePlus 15s notably outperforms the Samsung Galaxy S26 Ultra (56/100 vs 32/100). In the "value for money" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S26 Ultra (62/100 vs 20/100).
| Specification | OnePlus 15s | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3942923 | 3515964 | |
| Geekbench Single | 3640 | 3601 | |
| Geekbench Multi | 11033 | 10686 | |
| 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 | 60W | |
| Wireless charging | 50W | 25W | |
| DXOMark (camera) | — | 157 | |
| 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 16 / One UI 8.5 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.6×78.1×7.9 mm | |
| Weight | 195 g | 214 g | |
| Price | $700 | $1299 |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Samsung Galaxy S26 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 S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
We compared OnePlus 15s and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Samsung Galaxy S26 Ultra by 12.1% in our overall performance rating.
Price difference: $599. OnePlus 15s is cheaper by $599.
performance
In the "performance" category, the OnePlus 15s is a bit better (92/100 vs 84/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the OnePlus 15s (86/100 vs 48/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S26 Ultra (82/100 vs 51/100).
design
In the "design" category, the OnePlus 15s notably outperforms the Samsung Galaxy S26 Ultra (56/100 vs 32/100).
value for money
In the "value for money" category, the OnePlus 15s significantly outperforms the Samsung Galaxy S26 Ultra (62/100 vs 20/100).
Which is better: the OnePlus 15s or the Samsung Galaxy S26 Ultra?
The OnePlus 15s edges out the Samsung Galaxy S26 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the OnePlus 15s and the Samsung Galaxy S26 Ultra?
The OnePlus 15s has a MobileRank rating of 77/100, the Samsung Galaxy S26 Ultra — 75/100.
Which has the better camera: the OnePlus 15s or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 48/100).
Which is more powerful: the OnePlus 15s or the Samsung Galaxy S26 Ultra?
The OnePlus 15s leads on performance (92/100 vs 84/100).
Should you choose the OnePlus 15s over the Samsung Galaxy S26 Ultra?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.