Oppo A91 vs Vivo iQOO 15T
The Oppo A91 (2019) runs on the MediaTek Helio P70, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 36/100 (a 46-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 4025); the main camera is 48 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (3,815,522 vs 303,398); the Vivo iQOO 15T has NFC for contactless payments, the Oppo A91 doesn't; the Oppo A91 is noticeably lighter (172g vs 216g).
Oppo A91
Vivo iQOO 15T
- Lighter: 172g vs 216g
- Better portability (77/100 vs 44/100)
- Higher AnTuTu: 3815522 vs 303398
- Better Geekbench Single: 3228 vs 341
- Better Geekbench Multi: 9553 vs 779
- Bigger battery: 8000 vs 4025 mAh
- Faster charging: 100W vs 20W
- Better main camera: 200MP vs 48MP
- Higher performance (95/100 vs 20/100)
- Better camera (65/100 vs 34/100)
- Longer battery life (75/100 vs 22/100)
- Better display (99/100 vs 84/100)
Comparing the Oppo A91 vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 46 points higher (82/100 vs 36/100). In the "performance" category, the Vivo iQOO 15T leads (95/100 vs 20/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 34/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 22/100). In the "performance" category, the Vivo iQOO 15T significantly outperforms the Oppo A91 (95/100 vs 20/100). In the "display" category, the Vivo iQOO 15T notably outperforms the Oppo A91 (99/100 vs 84/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Oppo A91 (65/100 vs 34/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Oppo A91 (75/100 vs 22/100). In the "portability" category, the Oppo A91 significantly outperforms the Vivo iQOO 15T (77/100 vs 44/100).
| Specification | Oppo A91 | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | MediaTek Helio P70 | MediaTek Dimensity 9500 | |
| AnTuTu | 303398 | 3815522 | |
| Geekbench Single | 341 | 3228 | |
| Geekbench Multi | 779 | 9553 | |
| Display | 6.4" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4025 mAh | 8000 mAh | |
| Charging | 20W | 100W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); ColorOS 6.1 | Android 16 | |
| Brightness (peak) | 430 nits | — | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 160.2×73.3×7.9 mm | — | |
| Weight | 172 g | 216 g | |
| Launch price | — | $499 |
Oppo A91
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO 15T
- Main: 200MP f/f/1.8
- Ultrawide: 50MP
- Front: 16MP
Oppo A91
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Oppo A91
- 4025 mAh
- Wired: 20W
- No wireless charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
We compared Oppo A91 and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Oppo A91 by 92.0% in our overall performance rating.
Oppo A91
Price unknownperformance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Oppo A91 (95/100 vs 20/100).
display
In the "display" category, the Vivo iQOO 15T notably outperforms the Oppo A91 (99/100 vs 84/100).
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the Oppo A91 (65/100 vs 34/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the Oppo A91 (75/100 vs 22/100).
portability
In the "portability" category, the Oppo A91 significantly outperforms the Vivo iQOO 15T (77/100 vs 44/100).
Which is better: the Oppo A91 or the Vivo iQOO 15T?
The Vivo iQOO 15T significantly outperforms the Oppo A91 by 46 points (82/100 vs 36/100).
What is the rating of the Oppo A91 and the Vivo iQOO 15T?
The Oppo A91 has a MobileRank rating of 36/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the Oppo A91 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (65/100 vs 34/100).
Which is more powerful: the Oppo A91 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (95/100 vs 20/100).
Should you choose the Oppo A91 over the Vivo iQOO 15T?
The Oppo A91 is a better fit for everyday use. The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.