Oppo F31 vs Vivo iQOO Z7
The Oppo F31 (2025) runs on the MediaTek Dimensity 6300, while the Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920. By overall MobileRank rating, the Oppo F31 leads — 34/100 vs 26/100 (a 8-point difference). Key differences: the Oppo F31 has the bigger battery (7000 mAh vs 4500); the main camera is 50 MP vs 64 MP.
Oppo F31
Vivo iQOO Z7
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 80W vs 44W
- Higher refresh rate: 120Hz vs 90Hz
- Longer battery life (65/100 vs 30/100)
- Better display (100/100 vs 50/100)
- Better main camera: 64MP vs 50MP
- Lighter: 173g vs 185g
- Better camera (37/100 vs 27/100)
- Better design/ergonomics (83/100 vs 68/100)
Comparing the Oppo F31 vs the Vivo iQOO Z7, the Oppo F31 scores 8 points higher (34/100 vs 26/100). In the "camera" category, the Vivo iQOO Z7 leads (37/100 vs 27/100). In the "battery" category, the Oppo F31 leads (65/100 vs 30/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Oppo F31 significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100). In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 27/100). In the "battery" category, the Oppo F31 significantly outperforms the Vivo iQOO Z7 (65/100 vs 30/100). In the "design" category, the Vivo iQOO Z7 notably outperforms the Oppo F31 (83/100 vs 68/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Oppo F31 | Vivo iQOO Z7 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | MediaTek Dimensity 920 | |
| AnTuTu | 524785 | — | |
| Geekbench Single | 771 | — | |
| Geekbench Multi | 1980 | — | |
| Display | 6.6" AMOLED | 6.4" AMOLED | |
| Resolution | 1080x2372 | 1080x2400 | |
| Refresh rate | 120 Hz | 90 Hz | |
| Battery | 7000 mAh | 4500 mAh | |
| Charging | 80W | 44W | |
| Main camera | 50 MP | 64 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 8GB | 6GB / 8GB | |
| Storage | 128GB / 256GB | 128GB | |
| OS | Android 15, ColorOS 15 | Android 13, Funtouch 13 | |
| Brightness (peak) | 1400 nits | 1300 nits | |
| NFC | no | no | |
| Protection | IP68 | IP54 | |
| Dimensions | 158.2×75.0×8.0 mm | 158.9×73.5×7.8 mm | |
| Weight | 185 g | 173 g | |
| Price | — | — |
Oppo F31
- Main: 50MP f/f/1.8
- Front: 16MP
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Oppo F31
- 6.6" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Oppo F31
- 7000 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
performance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Oppo F31 significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100).
camera
In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 27/100).
battery
In the "battery" category, the Oppo F31 significantly outperforms the Vivo iQOO Z7 (65/100 vs 30/100).
design
In the "design" category, the Vivo iQOO Z7 notably outperforms the Oppo F31 (83/100 vs 68/100).
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 Z7?
The Oppo F31 edges out the Vivo iQOO Z7 by just 8 points — the two devices are very close in overall level.
What is the rating of the Oppo F31 and the Vivo iQOO Z7?
The Oppo F31 has a MobileRank rating of 34/100, the Vivo iQOO Z7 — 26/100.
Which has the better camera: the Oppo F31 or the Vivo iQOO Z7?
The Vivo iQOO Z7 leads on camera score (37/100 vs 27/100).
Should you choose the Oppo F31 over the Vivo iQOO Z7?
The Oppo F31 is a better fit for everyday use. The Vivo iQOO Z7 is a better fit for everyday use.