OnePlus 15 vs Samsung Galaxy S26 Ultra
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $799 and $1299. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 75/100 vs 61/100 (a 14-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 3,515,964).
OnePlus 15
Samsung Galaxy S26 Ultra
- Higher AnTuTu: 3621671 vs 3515964
- Bigger battery: 6500 vs 5000 mAh
- Lighter: 213g vs 214g
- Cheaper: $799 vs $1299
- Better design/ergonomics (33/100 vs 32/100)
- Better value for money (55/100 vs 20/100)
- Better Geekbench Single: 3601 vs 3050
- Better Geekbench Multi: 10686 vs 9300
- Better main camera: 200MP vs 50MP
- Higher performance (84/100 vs 77/100)
- Better camera (86/100 vs 34/100)
- Longer battery life (51/100 vs 48/100)
Comparing the OnePlus 15 vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 14 points higher (75/100 vs 61/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 34/100). In the "value for money" category, the OnePlus 15 leads (55/100 vs 20/100). In the "performance" category, the Samsung Galaxy S26 Ultra is a bit better (84/100 vs 77/100). 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 15 (86/100 vs 34/100). In the "battery" category, the Samsung Galaxy S26 Ultra and the OnePlus 15 are nearly equal (51/100 vs 48/100). In the "design" category, the OnePlus 15 and the Samsung Galaxy S26 Ultra are nearly equal (33/100 vs 32/100). In the "value for money" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S26 Ultra (55/100 vs 20/100).
| Specification | OnePlus 15 | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3621671 | 3515964 | |
| Geekbench Single | 3050 | 3601 | |
| Geekbench Multi | 9300 | 10686 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | — | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 5000 mAh | |
| Charging | — | 60W | |
| Wireless charging | 0W | 25W | |
| DXOMark (camera) | — | 157 | |
| 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 16 / One UI 8.5 | |
| Brightness (peak) | 1800 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 161.4×76.7×8.1 mm | 163.6×78.1×7.9 mm | |
| Weight | 213 g | 214 g | |
| Price | $799 | $1299 |
OnePlus 15
- Main: 50MP
- Front: 32MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
OnePlus 15
- 6.8" AMOLED
- Refresh rate: 120 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
OnePlus 15
- 6500 mAh
- No wireless charging
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
We compared OnePlus 15 and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15 leads Samsung Galaxy S26 Ultra by 3.0% in our overall performance rating.
Price difference: $500. OnePlus 15 is cheaper by $500.
performance
In the "performance" category, the Samsung Galaxy S26 Ultra is a bit better (84/100 vs 77/100).
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 15 (86/100 vs 34/100).
battery
In the "battery" category, the Samsung Galaxy S26 Ultra and the OnePlus 15 are nearly equal (51/100 vs 48/100).
design
In the "design" category, the OnePlus 15 and the Samsung Galaxy S26 Ultra are nearly equal (33/100 vs 32/100).
value for money
In the "value for money" category, the OnePlus 15 significantly outperforms the Samsung Galaxy S26 Ultra (55/100 vs 20/100).
Which is better: the OnePlus 15 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra is noticeably better than the OnePlus 15 — the overall rating gap is 14 points.
What is the rating of the OnePlus 15 and the Samsung Galaxy S26 Ultra?
The OnePlus 15 has a MobileRank rating of 61/100, the Samsung Galaxy S26 Ultra — 75/100.
Which has the better camera: the OnePlus 15 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 34/100).
Which is more powerful: the OnePlus 15 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (84/100 vs 77/100).
Should you choose the OnePlus 15 over the Samsung Galaxy S26 Ultra?
The OnePlus 15 is a better fit for active users. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.