OnePlus 7 vs Samsung Galaxy A91
The OnePlus 7 (2019) runs on the Qualcomm Snapdragon 855, while the Samsung Galaxy A91 (2021) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the Samsung Galaxy A91 leads — 51/100 vs 46/100 (a 5-point difference). Key differences: the Samsung Galaxy A91 has the bigger battery (4500 mAh vs 3700); the OnePlus 7 has NFC for contactless payments, the Samsung Galaxy A91 doesn't.
Profile comparison
Category scores
OnePlus 7
Samsung Galaxy A91
What makes OnePlus 7 better?
- Better display (83/100 vs 81/100)
What makes Samsung Galaxy A91 better?
- Bigger battery: 4500 vs 3700 mAh
- Faster charging: 45W vs 20W
- Better camera (41/100 vs 31/100)
- Longer battery life (38/100 vs 15/100)
Comparison verdict
Comparing the OnePlus 7 vs the Samsung Galaxy A91, the Samsung Galaxy A91 scores 5 points higher (51/100 vs 46/100). In the "camera" category, the Samsung Galaxy A91 leads (41/100 vs 31/100). In the "battery" category, the Samsung Galaxy A91 leads (38/100 vs 15/100). In the "performance" category, both devices are on the same level — 54/100. In the "display" category, the OnePlus 7 and the Samsung Galaxy A91 are nearly equal (83/100 vs 81/100). In the "camera" category, the Samsung Galaxy A91 is a bit better (41/100 vs 31/100). In the "battery" category, the Samsung Galaxy A91 notably outperforms the OnePlus 7 (38/100 vs 15/100).
Specs comparison
| Specification | OnePlus 7 | Samsung Galaxy A91 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 855 | |
| AnTuTu | 824513 | 824513 | |
| Geekbench Single | 968 | 968 | |
| Geekbench Multi | 2731 | 2731 | |
| Display | 6.4" Optic AMOLED | 6.7" Super AMOLED | |
| Resolution | 1080x2340 | 1080x2400 | |
| Refresh rate | — | — | |
| Battery | 3700 mAh | 4500 mAh | |
| Charging | 20W | 45W | |
| Main camera | 48 MP | 48 MP | |
| Ultrawide | 0 MP | 12 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 6GB / 8GB | 8GB | |
| Storage | 128GB / 256GB | 128GB | |
| OS | Android 9.0 (Pie); | Android 10, One UI | |
| NFC | yes | no | |
| Dimensions | 157.7×74.8×8.2 mm | — | |
| Weight | 182 g | — | |
| Launch price | — | — |
Camera comparison
OnePlus 7
- Main: 48MP f/1.7
- Front: 16MP
Samsung Galaxy A91
- Main: 48MP f/2.0
- Ultrawide: 12MP
- Front: 32MP
Display comparison
OnePlus 7
- 6.4" Optic AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Samsung Galaxy A91
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Battery and charging
OnePlus 7
- 3700 mAh
- Wired: 20W
- No wireless charging
Samsung Galaxy A91
- 4500 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared OnePlus 7 and Samsung Galaxy A91, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Benchmarks
Detailed category analysis
performance
In the "performance" category, both devices are on the same level — 54/100.
display
In the "display" category, the OnePlus 7 and the Samsung Galaxy A91 are nearly equal (83/100 vs 81/100).
camera
In the "camera" category, the Samsung Galaxy A91 is a bit better (41/100 vs 31/100).
battery
In the "battery" category, the Samsung Galaxy A91 notably outperforms the OnePlus 7 (38/100 vs 15/100).
Frequently asked questions
Which is better: the OnePlus 7 or the Samsung Galaxy A91?
The Samsung Galaxy A91 edges out the OnePlus 7 by just 5 points — the two devices are very close in overall level.
What is the rating of the OnePlus 7 and the Samsung Galaxy A91?
The OnePlus 7 has a MobileRank rating of 46/100, the Samsung Galaxy A91 — 51/100.
Which has the better camera: the OnePlus 7 or the Samsung Galaxy A91?
The Samsung Galaxy A91 leads on camera score (41/100 vs 31/100).
Should you choose the OnePlus 7 over the Samsung Galaxy A91?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is battery life — better on the Samsung Galaxy A91 (38/100 vs 15/100).