Oppo A9 vs Oppo A91
The Oppo A9 (2019) runs on the MediaTek Helio P70, while the Oppo A91 (2019) runs on the MediaTek Helio P70. By overall MobileRank rating, the Oppo A91 leads — 36/100 vs 28/100 (a 8-point difference). Key differences: the Oppo A91 has the bigger battery (4025 mAh vs 4020); the main camera is 16 MP vs 48 MP; the Oppo A9 has NFC for contactless payments, the Oppo A91 doesn't; the Oppo A91 is noticeably lighter (172g vs 190g).
Profile comparison
Category scores
Oppo A9
Oppo A91
What makes Oppo A9 better?
- Longer battery life (32/100 vs 22/100)
What makes Oppo A91 better?
- Bigger battery: 4025 vs 4020 mAh
- Better main camera: 48MP vs 16MP
- Lighter: 172g vs 190g
- Better camera (34/100 vs 14/100)
- Better display (84/100 vs 57/100)
- Better portability (77/100 vs 62/100)
Comparison verdict
Comparing the Oppo A9 vs the Oppo A91, the Oppo A91 scores 8 points higher (36/100 vs 28/100). In the "camera" category, the Oppo A91 leads (34/100 vs 14/100). In the "battery" category, the Oppo A9 leads (32/100 vs 22/100). In the "performance" category, both devices are on the same level — 20/100. In the "display" category, the Oppo A91 notably outperforms the Oppo A9 (84/100 vs 57/100). In the "camera" category, the Oppo A91 notably outperforms the Oppo A9 (34/100 vs 14/100). In the "battery" category, the Oppo A9 is a bit better (32/100 vs 22/100). In the "portability" category, the Oppo A91 notably outperforms the Oppo A9 (77/100 vs 62/100).
Specs comparison
| Specification | Oppo A9 | Oppo A91 | |
|---|---|---|---|
| Processor | MediaTek Helio P70 | MediaTek Helio P70 | |
| AnTuTu | 303398 | 303398 | |
| Geekbench Single | 341 | 341 | |
| Geekbench Multi | 779 | 779 | |
| Display | 6.5" IPS LCD | 6.4" AMOLED | |
| Resolution | 1080x2340 | 1080x2400 | |
| Refresh rate | — | — | |
| Battery | 4020 mAh | 4025 mAh | |
| Charging | — | 20W | |
| Main camera | 16 MP | 48 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 6GB | 8GB | |
| Storage | 128GB | 128GB | |
| OS | Android 9.0 (Pie); ColorOS 6 | Android 9.0 (Pie); ColorOS 6.1 | |
| Brightness (peak) | — | 430 nits | |
| NFC | yes | no | |
| Dimensions | 162.0×76.1×8.3 mm | 160.2×73.3×7.9 mm | |
| Weight | 190 g | 172 g | |
| Launch price | — | — |
Camera comparison
Oppo A9
- Main: 16MP
- Front: 16MP
Oppo A91
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
Oppo A9
- 6.5" IPS LCD
- Resolution: 1080x2340
- Refresh rate: —
Oppo A91
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Battery and charging
Oppo A9
- 4020 mAh
- Wireless charging: no data
Oppo A91
- 4025 mAh
- Wired: 20W
- No wireless charging
Overall performance score
We compared Oppo A9 and Oppo A91, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Benchmarks
Detailed category analysis
performance
In the "performance" category, both devices are on the same level — 20/100.
display
In the "display" category, the Oppo A91 notably outperforms the Oppo A9 (84/100 vs 57/100).
camera
In the "camera" category, the Oppo A91 notably outperforms the Oppo A9 (34/100 vs 14/100).
battery
In the "battery" category, the Oppo A9 is a bit better (32/100 vs 22/100).
portability
In the "portability" category, the Oppo A91 notably outperforms the Oppo A9 (77/100 vs 62/100).
Frequently asked questions
Which is better: the Oppo A9 or the Oppo A91?
The Oppo A91 edges out the Oppo A9 by just 8 points — the two devices are very close in overall level.
What is the rating of the Oppo A9 and the Oppo A91?
The Oppo A9 has a MobileRank rating of 28/100, the Oppo A91 — 36/100.
Which has the better camera: the Oppo A9 or the Oppo A91?
The Oppo A91 leads on camera score (34/100 vs 14/100).
Should you choose the Oppo A9 over the Oppo A91?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is display — better on the Oppo A91 (84/100 vs 57/100).