Oppo A91 vs Vivo iQOO 15 Ultra
The Oppo A91 (2019) runs on the MediaTek Helio P70, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 36/100 (a 53-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4025); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 303,398); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Oppo A91 doesn't; the Oppo A91 is noticeably lighter (172g vs 227g).
Profile comparison
Category scores
Oppo A91
Vivo iQOO 15 Ultra
What makes Oppo A91 better?
- Lighter: 172g vs 227g
- Better portability (77/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 303398
- Better Geekbench Single: 3639 vs 341
- Better Geekbench Multi: 11047 vs 779
- Bigger battery: 7400 vs 4025 mAh
- Faster charging: 120W vs 20W
- Better main camera: 50MP vs 48MP
- Higher performance (99/100 vs 20/100)
- Better camera (78/100 vs 34/100)
- Longer battery life (92/100 vs 22/100)
- Better display (99/100 vs 84/100)
Comparison verdict
Comparing the Oppo A91 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 53 points higher (89/100 vs 36/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 20/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 34/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 22/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A91 (99/100 vs 20/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Oppo A91 (99/100 vs 84/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A91 (78/100 vs 34/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A91 (92/100 vs 22/100). In the "portability" category, the Oppo A91 significantly outperforms the Vivo iQOO 15 Ultra (77/100 vs 35/100).
Specs comparison
| Specification | Oppo A91 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio P70 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 303398 | 4602290 | |
| Geekbench Single | 341 | 3639 | |
| Geekbench Multi | 779 | 11047 | |
| Display | 6.4" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4025 mAh | 7400 mAh | |
| Charging | 20W | 120W | |
| Wireless charging | 0W | 50W | |
| 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 / 24GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie); ColorOS 6.1 | Android 16 | |
| Brightness (peak) | 430 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 160.2×73.3×7.9 mm | 163.7×76.8×8.7 mm | |
| Weight | 172 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Oppo A91
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo A91
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo A91
- 4025 mAh
- Wired: 20W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Oppo A91 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Oppo A91 by 93.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A91
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A91 (99/100 vs 20/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Oppo A91 (99/100 vs 84/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A91 (78/100 vs 34/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A91 (92/100 vs 22/100).
portability
In the "portability" category, the Oppo A91 significantly outperforms the Vivo iQOO 15 Ultra (77/100 vs 35/100).
Frequently asked questions
Which is better: the Oppo A91 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Oppo A91 by 53 points (89/100 vs 36/100).
What is the rating of the Oppo A91 and the Vivo iQOO 15 Ultra?
The Oppo A91 has a MobileRank rating of 36/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Oppo A91 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 34/100).
Which is more powerful: the Oppo A91 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 20/100).
Should you choose the Oppo A91 over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.