Samsung Galaxy A91 vs Vivo iQOO 15
The Samsung Galaxy A91 (2021) runs on the Qualcomm Snapdragon 855, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 51/100 (a 35-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4500); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 824,513); the Vivo iQOO 15 has NFC for contactless payments, the Samsung Galaxy A91 doesn't.
Samsung Galaxy A91
Vivo iQOO 15
- Overall rating 51/100
- Higher AnTuTu: 3740528 vs 824513
- Better Geekbench Single: 3041 vs 968
- Better Geekbench Multi: 9494 vs 2731
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 100W vs 45W
- Better main camera: 50MP vs 48MP
- Higher performance (94/100 vs 54/100)
- Better camera (78/100 vs 41/100)
- Longer battery life (85/100 vs 38/100)
- Better display (99/100 vs 81/100)
Comparing the Samsung Galaxy A91 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 35 points higher (86/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 54/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 41/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 38/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy A91 (94/100 vs 54/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Samsung Galaxy A91 (99/100 vs 81/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy A91 (78/100 vs 41/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy A91 (85/100 vs 38/100).
| Specification | Samsung Galaxy A91 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 824513 | 3740528 | |
| Geekbench Single | 968 | 3041 | |
| Geekbench Multi | 2731 | 9494 | |
| Display | 6.7" Super AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4500 mAh | 7000 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, One UI | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.7×76.8×8.1 mm | |
| Weight | — | 215 g | |
| Launch price | — | $599 |
Samsung Galaxy A91
- Main: 48MP f/f/2.0
- Ultrawide: 12MP
- Front: 32MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A91
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Samsung Galaxy A91
- 4500 mAh
- Wired: 45W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
We compared Samsung Galaxy A91 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Samsung Galaxy A91 by 78.0% in our overall performance rating.
Samsung Galaxy A91
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy A91 (94/100 vs 54/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Samsung Galaxy A91 (99/100 vs 81/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy A91 (78/100 vs 41/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy A91 (85/100 vs 38/100).
Which is better: the Samsung Galaxy A91 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Samsung Galaxy A91 by 35 points (86/100 vs 51/100).
What is the rating of the Samsung Galaxy A91 and the Vivo iQOO 15?
The Samsung Galaxy A91 has a MobileRank rating of 51/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Samsung Galaxy A91 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 41/100).
Which is more powerful: the Samsung Galaxy A91 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 54/100).
Should you choose the Samsung Galaxy A91 over the Vivo iQOO 15?
The Samsung Galaxy A91 is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.