OnePlus 15 vs Samsung Galaxy S26 Ultra
The OnePlus 15 (2025) 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; launch prices were $799 and $1299. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 84/100 (a 2-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 (3,606,149 vs 3,463,142).
Profile comparison
Category scores
OnePlus 15
Samsung Galaxy S26 Ultra
What makes OnePlus 15 better?
- Higher AnTuTu: 3606149 vs 3463142
- Better Geekbench Single: 3639 vs 3601
- Better Geekbench Multi: 11047 vs 10686
- Bigger battery: 6500 vs 5000 mAh
- Faster charging: 120W vs 60W
- Faster wireless charging: 50W vs 25W
- Lighter: 213g vs 214g
- Cheaper at launch: $799 vs $1299
- Higher performance (97/100 vs 96/100)
- Longer battery life (89/100 vs 61/100)
What makes Samsung Galaxy S26 Ultra better?
- Better main camera: 200MP vs 50MP
- Better camera (86/100 vs 78/100)
- Better display (88/100 vs 84/100)
- Better portability (51/100 vs 50/100)
Comparison verdict
Comparing the OnePlus 15 vs the Samsung Galaxy S26 Ultra, the OnePlus 15 scores 2 points higher (86/100 vs 84/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 61/100). Value score: OnePlus 15 — 86/100, Samsung Galaxy S26 Ultra — 78/100; 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 15 and the Samsung Galaxy S26 Ultra are nearly equal (97/100 vs 96/100). In the "display" category, the Samsung Galaxy S26 Ultra and the OnePlus 15 are nearly equal (88/100 vs 84/100). In the "camera" category, the Samsung Galaxy S26 Ultra is a bit better (86/100 vs 78/100). In the "battery" category, the OnePlus 15 notably outperforms the Samsung Galaxy S26 Ultra (89/100 vs 61/100). In the "portability" category, the Samsung Galaxy S26 Ultra and the OnePlus 15 are nearly equal (51/100 vs 50/100).
Specs comparison
| Specification | OnePlus 15 | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3606149 | 3463142 | |
| Geekbench Single | 3639 | 3601 | |
| Geekbench Multi | 11047 | 10686 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1272x2772 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 5000 mAh | |
| Charging | 120W | 60W | |
| Wireless charging | 50W | 25W | |
| DXOMark (camera) | — | 157 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | 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 | |
| Launch price | $799 | $1299 |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
Overall performance score
We compared OnePlus 15 and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15 leads Samsung Galaxy S26 Ultra by 4.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $500. OnePlus 15 was $500 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15 and the Samsung Galaxy S26 Ultra are nearly equal (97/100 vs 96/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra and the OnePlus 15 are nearly equal (88/100 vs 84/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra is a bit better (86/100 vs 78/100).
battery
In the "battery" category, the OnePlus 15 notably outperforms the Samsung Galaxy S26 Ultra (89/100 vs 61/100).
portability
In the "portability" category, the Samsung Galaxy S26 Ultra and the OnePlus 15 are nearly equal (51/100 vs 50/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Samsung Galaxy S26 Ultra?
The OnePlus 15 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 15 and the Samsung Galaxy S26 Ultra?
The OnePlus 15 has a MobileRank rating of 86/100, the Samsung Galaxy S26 Ultra — 84/100.
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 78/100).
Should you choose the OnePlus 15 over the Samsung Galaxy S26 Ultra?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, budget-conscious buyers.