Oppo F31 vs Vivo iQOO Z9 (India)
The Oppo F31 (2025) runs on the MediaTek Dimensity 6300, while the Vivo iQOO Z9 (India) (2024) runs on the MediaTek Dimensity 7200. By overall MobileRank rating, the Oppo F31 leads — 34/100 vs 30/100 (a 4-point difference). Key differences: the Oppo F31 has the bigger battery (7000 mAh vs 5000).
Oppo F31
Vivo iQOO Z9 (India)
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 80W vs 44W
- Lighter: 185g vs 188g
- Longer battery life (65/100 vs 42/100)
- Better design/ergonomics (68/100 vs 65/100)
- Overall rating 30/100
Comparing the Oppo F31 vs the Vivo iQOO Z9 (India), the Oppo F31 scores 4 points higher (34/100 vs 30/100). In the "battery" category, the Oppo F31 leads (65/100 vs 42/100). 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, both devices are on the same level — 27/100. In the "battery" category, the Oppo F31 notably outperforms the Vivo iQOO Z9 (India) (65/100 vs 42/100). In the "design" category, the Oppo F31 and the Vivo iQOO Z9 (India) are nearly equal (68/100 vs 65/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Oppo F31 | Vivo iQOO Z9 (India) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | MediaTek Dimensity 7200 | |
| AnTuTu | 524785 | — | |
| Geekbench Single | 771 | — | |
| Geekbench Multi | 1980 | — | |
| Display | 6.6" AMOLED | 6.7" AMOLED | |
| Resolution | 1080x2372 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 80W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 8GB | 8GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 15, ColorOS 15 | Android 14, Funtouch 14 | |
| Brightness (peak) | 1400 nits | 1800 nits | |
| NFC | no | no | |
| Protection | IP68 | IP54 | |
| Dimensions | 158.2×75.0×8.0 mm | 163.2×75.8×7.8 mm | |
| Weight | 185 g | 188 g | |
| Price | — | — |
Oppo F31
- Main: 50MP f/f/1.8
- Front: 16MP
Vivo iQOO Z9 (India)
- Main: 50MP f/f/1.8
- Front: 16MP
Oppo F31
- 6.6" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Vivo iQOO Z9 (India)
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Oppo F31
- 7000 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO Z9 (India)
- 5000 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, both devices are on the same level — 100/100.
camera
In the "camera" category, both devices are on the same level — 27/100.
battery
In the "battery" category, the Oppo F31 notably outperforms the Vivo iQOO Z9 (India) (65/100 vs 42/100).
design
In the "design" category, the Oppo F31 and the Vivo iQOO Z9 (India) are nearly equal (68/100 vs 65/100).
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 Z9 (India)?
The Oppo F31 edges out the Vivo iQOO Z9 (India) by just 4 points — the two devices are very close in overall level.
What is the rating of the Oppo F31 and the Vivo iQOO Z9 (India)?
The Oppo F31 has a MobileRank rating of 34/100, the Vivo iQOO Z9 (India) — 30/100.
Should you choose the Oppo F31 over the Vivo iQOO Z9 (India)?
The Oppo F31 is a better fit for everyday use. The Vivo iQOO Z9 (India) is a better fit for everyday use.