Oppo A91 vs Vivo iQOO 15
The Oppo A91 (2019) runs on the MediaTek Helio P70, 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 36/100 (a 50-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4025); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 303,398); the Vivo iQOO 15 has NFC for contactless payments, the Oppo A91 doesn't; the Oppo A91 is noticeably lighter (172g vs 215g).
Oppo A91
Vivo iQOO 15
- Lighter: 172g vs 215g
- Better portability (77/100 vs 48/100)
- Higher AnTuTu: 3740528 vs 303398
- Better Geekbench Single: 3041 vs 341
- Better Geekbench Multi: 9494 vs 779
- Bigger battery: 7000 vs 4025 mAh
- Faster charging: 100W vs 20W
- Better main camera: 50MP vs 48MP
- Higher performance (94/100 vs 20/100)
- Better camera (78/100 vs 34/100)
- Longer battery life (85/100 vs 22/100)
- Better display (99/100 vs 84/100)
Comparing the Oppo A91 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 50 points higher (86/100 vs 36/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 20/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 34/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 22/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A91 (94/100 vs 20/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Oppo A91 (99/100 vs 84/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A91 (78/100 vs 34/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A91 (85/100 vs 22/100). In the "portability" category, the Oppo A91 notably outperforms the Vivo iQOO 15 (77/100 vs 48/100).
| Specification | Oppo A91 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | MediaTek Helio P70 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 303398 | 3740528 | |
| Geekbench Single | 341 | 3041 | |
| Geekbench Multi | 779 | 9494 | |
| Display | 6.4" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4025 mAh | 7000 mAh | |
| Charging | 20W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); ColorOS 6.1 | Android 16 | |
| Brightness (peak) | 430 nits | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 160.2×73.3×7.9 mm | 163.7×76.8×8.1 mm | |
| Weight | 172 g | 215 g | |
| Launch price | — | $599 |
Oppo A91
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Oppo A91
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Oppo A91
- 4025 mAh
- Wired: 20W
- 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 Oppo A91 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Oppo A91 by 91.9% in our overall performance rating.
Oppo A91
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A91 (94/100 vs 20/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Oppo A91 (99/100 vs 84/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A91 (78/100 vs 34/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A91 (85/100 vs 22/100).
portability
In the "portability" category, the Oppo A91 notably outperforms the Vivo iQOO 15 (77/100 vs 48/100).
Which is better: the Oppo A91 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Oppo A91 by 50 points (86/100 vs 36/100).
What is the rating of the Oppo A91 and the Vivo iQOO 15?
The Oppo A91 has a MobileRank rating of 36/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Oppo A91 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 34/100).
Which is more powerful: the Oppo A91 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 20/100).
Should you choose the Oppo A91 over the Vivo iQOO 15?
The Oppo 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.