OnePlus 9 vs vivo Y31 5G
38.6Performance20
46.6Display39.6
39.3Camera29
55.9Battery66.2
65.3Features73.3
7 spec wins — OnePlus 94 spec wins — vivo Y31 5G
InnoReviews verdict
OnePlus 9 wins this phone face-off, 46.5 to 40.3, pulling ahead mainly in performance (+19) and camera (+10). vivo Y31 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OnePlus 9
- Stronger performance score: 39 vs 20
- Stronger display score: 47 vs 40
- Stronger camera score: 39 vs 29
- 100% higher Front camera: 16 MP vs 8 MP
- 52% higher Pixel density: 402 ppi vs 264 ppi
Reasons to pick the vivo Y31 5G
- Stronger battery score: 66 vs 56
- Stronger features score: 73 vs 65
- 44% higher capacity: 6,500 mAh vs 4,500 mAh
Display
| Spec | OnePlus 9 | vivo Y31 5G |
|---|---|---|
| Screen size | 6.55 ″ | 6.68 ″+2% |
| Panel type | AMOLED | IPS LCD |
| Resolution | 2400x1080 | 720x1608 |
| Pixel density | 402 ppi+52% | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits+10% | 1,000 nits |
Performance
| Spec | OnePlus 9 | vivo Y31 5G |
|---|---|---|
| Chipset | Snapdragon 888 | Qualcomm Snapdragon 4 Gen 2 |
| AnTuTu | 1,040,324 | — |
| Geekbench 6 (single) | 1,450Top 44% | — |
| Geekbench 6 (multi) | 3,650Top 50% | — |
| RAM (max) | 8 GB+33% | 6 GB |
| Storage options | 128GB / 256GB | 128GB |
| Storage type | UFS 3.1 | eMMC 5.1 |
Camera
| Spec | OnePlus 9 | vivo Y31 5G |
|---|---|---|
| Main camera | 48 MP | 50 MP+4% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 50 MP | — |
| Max video | 8K@30fps | 1080p@30fps |
| Front camera | 16 MP+100% | 8 MP |
| OIS | No | No |
Battery
| Spec | OnePlus 9 | vivo Y31 5G |
|---|---|---|
| Capacity | 4,500 mAh | 6,500 mAh+44% |
| Wired charging | 65 W+48% | 44 W |
| Wireless charging | 15 W | — |
Design
| Spec | OnePlus 9 | vivo Y31 5G |
|---|---|---|
| Weight | 192 g+8% | 209 g |
| Thickness | 8.7 mm | 8.4 mm+4% |
| IP rating | — | IP68/IP69 |
| Frame material | Plastic | — |
Connectivity
| Spec | OnePlus 9 | vivo Y31 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.2 | 4.2 |
| NFC | Yes | No |
| USB | USB-C 3.1 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | OnePlus 9 | vivo Y31 5G |
|---|---|---|
| OS at launch | Android 11 (OxygenOS 11) | Android 15 (Funtouch OS 15) |
| OS update pledge | 3 years | — |
Audio
| Spec | OnePlus 9 | vivo Y31 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |