OnePlus 15 vs Samsung Galaxy A91
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy A91 (2021) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 51/100 (a 35-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 4500); the main camera is 50 MP vs 48 MP; the OnePlus 15 is faster in AnTuTu (3,606,149 vs 824,513); the OnePlus 15 has NFC for contactless payments, the Samsung Galaxy A91 doesn't.
Profile comparison
Category scores
OnePlus 15
Samsung Galaxy A91
What makes OnePlus 15 better?
- Higher AnTuTu: 3606149 vs 824513
- Better Geekbench Single: 3639 vs 968
- Better Geekbench Multi: 11047 vs 2731
- Bigger battery: 6500 vs 4500 mAh
- Faster charging: 120W vs 45W
- Better main camera: 50MP vs 48MP
- Higher performance (97/100 vs 54/100)
- Better camera (78/100 vs 41/100)
- Longer battery life (89/100 vs 38/100)
- Better display (84/100 vs 81/100)
What makes Samsung Galaxy A91 better?
- Overall rating 51/100
Comparison verdict
Comparing the OnePlus 15 vs the Samsung Galaxy A91, the OnePlus 15 scores 35 points higher (86/100 vs 51/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 54/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 41/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 38/100). In the "performance" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A91 (97/100 vs 54/100). In the "display" category, the OnePlus 15 and the Samsung Galaxy A91 are nearly equal (84/100 vs 81/100). In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A91 (78/100 vs 41/100). In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A91 (89/100 vs 38/100).
Specs comparison
| Specification | OnePlus 15 | Samsung Galaxy A91 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 855 | |
| AnTuTu | 3606149 | 824513 | |
| Geekbench Single | 3639 | 968 | |
| Geekbench Multi | 11047 | 2731 | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED | |
| Resolution | 1272x2772 | 1080x2400 | |
| Refresh rate | 120 Hz | — | |
| Battery | 6500 mAh | 4500 mAh | |
| Charging | 120W | 45W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 50 MP | 12 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 10, One UI | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 161.4×76.7×8.1 mm | — | |
| Weight | 213 g | — | |
| Launch price | $799 | — |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A91
- Main: 48MP f/2.0
- Ultrawide: 12MP
- Front: 32MP
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Samsung Galaxy A91
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Samsung Galaxy A91
- 4500 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared OnePlus 15 and Samsung Galaxy A91, covering their specs and all relevant benchmarks.
OnePlus 15 leads Samsung Galaxy A91 by 337.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Samsung Galaxy A91
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A91 (97/100 vs 54/100).
display
In the "display" category, the OnePlus 15 and the Samsung Galaxy A91 are nearly equal (84/100 vs 81/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A91 (78/100 vs 41/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Samsung Galaxy A91 (89/100 vs 38/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Samsung Galaxy A91?
The OnePlus 15 significantly outperforms the Samsung Galaxy A91 by 35 points (86/100 vs 51/100).
What is the rating of the OnePlus 15 and the Samsung Galaxy A91?
The OnePlus 15 has a MobileRank rating of 86/100, the Samsung Galaxy A91 — 51/100.
Which has the better camera: the OnePlus 15 or the Samsung Galaxy A91?
The OnePlus 15 leads on camera score (78/100 vs 41/100).
Which is more powerful: the OnePlus 15 or the Samsung Galaxy A91?
The OnePlus 15 leads on performance (97/100 vs 54/100).
Should you choose the OnePlus 15 over the Samsung Galaxy A91?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.