Oppo F31 vs Vivo iQOO Z6 (China)
The Oppo F31 (2025) runs on the MediaTek Dimensity 6300, while the Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Oppo F31 leads — 34/100 vs 31/100 (a 3-point difference). Key differences: the Oppo F31 has the bigger battery (7000 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Vivo iQOO Z6 (China) has NFC for contactless payments, the Oppo F31 doesn't.
Oppo F31
Vivo iQOO Z6 (China)
- Bigger battery: 7000 vs 4500 mAh
- Lighter: 185g vs 194g
- Longer battery life (65/100 vs 39/100)
- Better design/ergonomics (68/100 vs 57/100)
- Better main camera: 64MP vs 50MP
- Better camera (34/100 vs 27/100)
Comparing the Oppo F31 vs the Vivo iQOO Z6 (China), the Oppo F31 scores 3 points higher (34/100 vs 31/100). 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 Vivo iQOO Z6 (China) is a bit better (34/100 vs 27/100). In the "battery" category, the Oppo F31 notably outperforms the Vivo iQOO Z6 (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 iQOO Z6 (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 778G+ 5G | |
| 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 | 64 MP | |
| Front camera | 16 MP | 8 MP | |
| RAM | 8GB | 8GB / 12GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 15, ColorOS 15 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 1400 nits | 650 nits | |
| NFC | no | yes | |
| Protection | IP68 | — | |
| Dimensions | 158.2×75.0×8.0 mm | 164.0×75.8×8.6 mm | |
| Weight | 185 g | 194 g | |
| Price | — | — |
Oppo F31
- Main: 50MP f/f/1.8
- Front: 16MP
Vivo iQOO Z6 (China)
- Main: 64MP f/f/1.8
- Front: 8MP
Oppo F31
- 6.6" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Vivo iQOO Z6 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Oppo F31
- 7000 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO Z6 (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 Vivo iQOO Z6 (China) is a bit better (34/100 vs 27/100).
battery
In the "battery" category, the Oppo F31 notably outperforms the Vivo iQOO Z6 (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 iQOO Z6 (China)?
The Oppo F31 edges out the Vivo iQOO Z6 (China) by just 3 points — the two devices are very close in overall level.
What is the rating of the Oppo F31 and the Vivo iQOO Z6 (China)?
The Oppo F31 has a MobileRank rating of 34/100, the Vivo iQOO Z6 (China) — 31/100.
Which has the better camera: the Oppo F31 or the Vivo iQOO Z6 (China)?
The Vivo iQOO Z6 (China) leads on camera score (34/100 vs 27/100).
Should you choose the Oppo F31 over the Vivo iQOO Z6 (China)?
The Oppo F31 is a better fit for everyday use. The Vivo iQOO Z6 (China) is a better fit for everyday use.