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; launch prices were $700 and $1299. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 84/100 vs 83/100 (a 1-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 3,463,142); the OnePlus 15s is noticeably lighter (195g vs 214g).
Profile comparison
Category scores
OnePlus 15s
Samsung Galaxy S26 Ultra
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 3463142
- Better Geekbench Single: 3639 vs 3601
- Better Geekbench Multi: 11047 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 at launch: $700 vs $1299
- Higher performance (98/100 vs 96/100)
- Longer battery life (89/100 vs 61/100)
- Better display (95/100 vs 88/100)
- Better portability (64/100 vs 51/100)
What makes Samsung Galaxy S26 Ultra better?
- Better main camera: 200MP vs 50MP
- Better camera (86/100 vs 53/100)
Comparison verdict
Comparing the OnePlus 15s vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 1 points higher (84/100 vs 83/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 53/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 61/100). Value score: OnePlus 15s — 80/100, 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 15s and the Samsung Galaxy S26 Ultra are nearly equal (98/100 vs 96/100). In the "display" category, the OnePlus 15s is a bit better (95/100 vs 88/100). In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the OnePlus 15s (86/100 vs 53/100). In the "battery" category, the OnePlus 15s notably outperforms the Samsung Galaxy S26 Ultra (89/100 vs 61/100). In the "portability" category, the OnePlus 15s is a bit better (64/100 vs 51/100).
Specs comparison
| Specification | OnePlus 15s | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3950082 | 3463142 | |
| Geekbench Single | 3639 | 3601 | |
| Geekbench Multi | 11047 | 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 | |
| Launch price | $700 | $1299 |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Samsung Galaxy S26 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 S26 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 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 15s and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Samsung Galaxy S26 Ultra by 14.1% 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 and the Samsung Galaxy S26 Ultra are nearly equal (98/100 vs 96/100).
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 S26 Ultra significantly outperforms the OnePlus 15s (86/100 vs 53/100).
battery
In the "battery" category, the OnePlus 15s notably outperforms the Samsung Galaxy S26 Ultra (89/100 vs 61/100).
portability
In the "portability" category, the OnePlus 15s is a bit better (64/100 vs 51/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra edges out the OnePlus 15s by just 1 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 83/100, the Samsung Galaxy S26 Ultra — 84/100.
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 53/100).
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, budget-conscious buyers. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, budget-conscious buyers.