OnePlus Ace 7 vs Samsung Galaxy A91
The OnePlus Ace 7 (2026) 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 Ace 7 leads — 77/100 vs 51/100 (a 26-point difference). Key differences: the OnePlus Ace 7 has the bigger battery (9000 mAh vs 4500); the main camera is 50 MP vs 48 MP; the OnePlus Ace 7 is faster in AnTuTu (3,950,082 vs 824,513); the OnePlus Ace 7 has NFC for contactless payments, the Samsung Galaxy A91 doesn't.
Profile comparison
Category scores
OnePlus Ace 7
Samsung Galaxy A91
What makes OnePlus Ace 7 better?
- Higher AnTuTu: 3950082 vs 824513
- Better Geekbench Single: 3639 vs 968
- Better Geekbench Multi: 11047 vs 2731
- Bigger battery: 9000 vs 4500 mAh
- Faster charging: 100W vs 45W
- Better main camera: 50MP vs 48MP
- Higher performance (98/100 vs 54/100)
- Longer battery life (80/100 vs 38/100)
- Better display (94/100 vs 81/100)
What makes Samsung Galaxy A91 better?
- Better camera (41/100 vs 35/100)
Comparison verdict
Comparing the OnePlus Ace 7 vs the Samsung Galaxy A91, the OnePlus Ace 7 scores 26 points higher (77/100 vs 51/100). In the "performance" category, the OnePlus Ace 7 leads (98/100 vs 54/100). In the "battery" category, the OnePlus Ace 7 leads (80/100 vs 38/100). In the "performance" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A91 (98/100 vs 54/100). In the "display" category, the OnePlus Ace 7 is a bit better (94/100 vs 81/100). In the "camera" category, the Samsung Galaxy A91 is a bit better (41/100 vs 35/100). In the "battery" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A91 (80/100 vs 38/100).
Specs comparison
| Specification | OnePlus Ace 7 | Samsung Galaxy A91 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 855 | |
| AnTuTu | 3950082 | 824513 | |
| Geekbench Single | 3639 | 968 | |
| Geekbench Multi | 11047 | 2731 | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED | |
| Resolution | 1272x2800 | 1080x2400 | |
| Refresh rate | 185 Hz | — | |
| Battery | 9000 mAh | 4500 mAh | |
| Charging | 100W | 45W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 10, One UI | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Weight | — | — | |
| Launch price | — | — |
Camera comparison
OnePlus Ace 7
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy A91
- Main: 48MP f/2.0
- Ultrawide: 12MP
- Front: 32MP
Display comparison
OnePlus Ace 7
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 185 Hz
Samsung Galaxy A91
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Battery and charging
OnePlus Ace 7
- 9000 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A91
- 4500 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared OnePlus Ace 7 and Samsung Galaxy A91, covering their specs and all relevant benchmarks.
OnePlus Ace 7 leads Samsung Galaxy A91 by 379.1% in our overall performance rating.
Benchmarks
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A91 (98/100 vs 54/100).
display
In the "display" category, the OnePlus Ace 7 is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Samsung Galaxy A91 is a bit better (41/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A91 (80/100 vs 38/100).
Frequently asked questions
Which is better: the OnePlus Ace 7 or the Samsung Galaxy A91?
The OnePlus Ace 7 significantly outperforms the Samsung Galaxy A91 by 26 points (77/100 vs 51/100).
What is the rating of the OnePlus Ace 7 and the Samsung Galaxy A91?
The OnePlus Ace 7 has a MobileRank rating of 77/100, the Samsung Galaxy A91 — 51/100.
Which has the better camera: the OnePlus Ace 7 or the Samsung Galaxy A91?
The Samsung Galaxy A91 leads on camera score (41/100 vs 35/100).
Which is more powerful: the OnePlus Ace 7 or the Samsung Galaxy A91?
The OnePlus Ace 7 leads on performance (98/100 vs 54/100).
Should you choose the OnePlus Ace 7 over the Samsung Galaxy A91?
The OnePlus Ace 7 is a better fit for gamers and power users, those who care about battery life.