Oppo F31 vs Vivo Y77 (China)
The Oppo F31 (2025) runs on the MediaTek Dimensity 6300, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Oppo F31 leads — 34/100 vs 29/100 (a 5-point difference). Key differences: the Oppo F31 has the bigger battery (7000 mAh vs 4500).
Oppo F31
Vivo Y77 (China)
- Bigger battery: 7000 vs 4500 mAh
- Lighter: 185g vs 194g
- Better camera (27/100 vs 24/100)
- Longer battery life (65/100 vs 39/100)
- Better design/ergonomics (68/100 vs 57/100)
- Overall rating 29/100
Comparing the Oppo F31 vs the Vivo Y77 (China), the Oppo F31 scores 5 points higher (34/100 vs 29/100). In the "battery" category, the Oppo F31 leads (65/100 vs 39/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Oppo F31 and the Vivo Y77 (China) are nearly equal (27/100 vs 24/100). In the "battery" category, the Oppo F31 notably outperforms the Vivo Y77 (China) (65/100 vs 39/100). In the "design" category, the Oppo F31 is a bit better (68/100 vs 57/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Oppo F31 | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | MediaTek Dimensity 930 | |
| AnTuTu | 524785 | — | |
| Geekbench Single | 771 | — | |
| Geekbench Multi | 1980 | — | |
| Display | 6.6" AMOLED | 6.6" IPS LCD | |
| Resolution | 1080x2372 | 1080x2388 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7000 mAh | 4500 mAh | |
| Charging | 80W | 80W | |
| Main camera | 50 MP | 50 MP | |
| Front camera | 16 MP | 8 MP | |
| RAM | 8GB | 6GB / 8GB / 12GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 15, ColorOS 15 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 1400 nits | — | |
| NFC | no | no | |
| Protection | IP68 | — | |
| Dimensions | 158.2×75.0×8.0 mm | 164.2×75.8×8.6 mm | |
| Weight | 185 g | 194 g | |
| Price | — | — |
Oppo F31
- Main: 50MP f/f/1.8
- Front: 16MP
Vivo Y77 (China)
- Main: 50MP f/f/1.8
- Front: 8MP
Oppo F31
- 6.6" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Oppo F31
- 7000 mAh
- Wired: 80W
- 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, both devices are on the same level — 100/100.
camera
In the "camera" category, the Oppo F31 and the Vivo Y77 (China) are nearly equal (27/100 vs 24/100).
battery
In the "battery" category, the Oppo F31 notably outperforms the Vivo Y77 (China) (65/100 vs 39/100).
design
In the "design" category, the Oppo F31 is a bit better (68/100 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 F31 or the Vivo Y77 (China)?
The Oppo F31 edges out the Vivo Y77 (China) by just 5 points — the two devices are very close in overall level.
What is the rating of the Oppo F31 and the Vivo Y77 (China)?
The Oppo F31 has a MobileRank rating of 34/100, the Vivo Y77 (China) — 29/100.
Should you choose the Oppo F31 over the Vivo Y77 (China)?
The Oppo F31 is a better fit for everyday use. The Vivo Y77 (China) is a better fit for everyday use.