Oppo A91 vs Vivo Y77 (China)
The Oppo A91 (2019) runs on the MediaTek Helio P70, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Vivo Y77 (China) leads — 29/100 vs 15/100 (a 14-point difference). Key differences: the Vivo Y77 (China) has the bigger battery (4500 mAh vs 4025); the main camera is 48 MP vs 50 MP; the Oppo A91 is noticeably lighter (172g vs 194g).
Oppo A91
Vivo Y77 (China)
- Lighter: 172g vs 194g
- Better camera (29/100 vs 24/100)
- Better design/ergonomics (85/100 vs 57/100)
- Bigger battery: 4500 vs 4025 mAh
- Faster charging: 80W vs 20W
- Better main camera: 50MP vs 48MP
- Longer battery life (39/100 vs 12/100)
- Better display (100/100 vs 0/100)
Comparing the Oppo A91 vs the Vivo Y77 (China), the Vivo Y77 (China) scores 14 points higher (29/100 vs 15/100). In the "battery" category, the Vivo Y77 (China) leads (39/100 vs 12/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Vivo Y77 (China) significantly outperforms the Oppo A91 (100/100 vs 0/100). In the "camera" category, the Oppo A91 is a bit better (29/100 vs 24/100). In the "battery" category, the Vivo Y77 (China) notably outperforms the Oppo A91 (39/100 vs 12/100). In the "design" category, the Oppo A91 notably outperforms the Vivo Y77 (China) (85/100 vs 57/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Oppo A91 | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | MediaTek Helio P70 | MediaTek Dimensity 930 | |
| AnTuTu | 303398 | — | |
| Geekbench Single | 341 | — | |
| Geekbench Multi | 779 | — | |
| Display | 6.4" AMOLED | 6.6" IPS LCD | |
| Resolution | 1080x2400 | 1080x2388 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4025 mAh | 4500 mAh | |
| Charging | 20W | 80W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 16 MP | 8 MP | |
| RAM | 8GB | 6GB / 8GB / 12GB | |
| Storage | 128GB | 128GB / 256GB | |
| OS | Android 9.0 (Pie); ColorOS 6.1 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 430 nits | — | |
| NFC | no | no | |
| Dimensions | 160.2×73.3×7.9 mm | 164.2×75.8×8.6 mm | |
| Weight | 172 g | 194 g | |
| Price | — | — |
Oppo A91
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo Y77 (China)
- Main: 50MP f/f/1.8
- Front: 8MP
Oppo A91
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Oppo A91
- 4025 mAh
- Wired: 20W
- No wireless charging
Vivo Y77 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
performance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Vivo Y77 (China) significantly outperforms the Oppo A91 (100/100 vs 0/100).
camera
In the "camera" category, the Oppo A91 is a bit better (29/100 vs 24/100).
battery
In the "battery" category, the Vivo Y77 (China) notably outperforms the Oppo A91 (39/100 vs 12/100).
design
In the "design" category, the Oppo A91 notably outperforms the Vivo Y77 (China) (85/100 vs 57/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Oppo A91 or the Vivo Y77 (China)?
The Vivo Y77 (China) is noticeably better than the Oppo A91 — the overall rating gap is 14 points.
What is the rating of the Oppo A91 and the Vivo Y77 (China)?
The Oppo A91 has a MobileRank rating of 15/100, the Vivo Y77 (China) — 29/100.
Which has the better camera: the Oppo A91 or the Vivo Y77 (China)?
The Oppo A91 leads on camera score (29/100 vs 24/100).
Should you choose the Oppo A91 over the Vivo Y77 (China)?
The Oppo A91 is a better fit for everyday use. The Vivo Y77 (China) is a better fit for everyday use.