Redmi 15 vs vivo Y31 5G
21.8Performance20
50.5Display39.6
29Camera29
66.7Battery66.2
28Features73.3
6 spec wins — Redmi 156 spec wins — vivo Y31 5G
InnoReviews verdict
vivo Y31 5G wins this phone face-off, 40.3 to 38.6, pulling ahead mainly in features (+45). Redmi 15 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi 15
- Stronger display score: 51 vs 40
- 42% higher Pixel density: 374 ppi vs 264 ppi
- 33% higher RAM (max): 8 GB vs 6 GB
- 20% higher Refresh rate: 144 Hz vs 120 Hz
- Has NFC — the other doesn't
Reasons to pick the vivo Y31 5G
- Stronger features score: 73 vs 28
- 33% higher Wired charging: 44 W vs 33 W
- 18% higher Peak brightness: 1,000 nits vs 850 nits
- Has 5G — the other doesn't
- Has Stereo speakers — the other doesn't
Display
| Spec | Redmi 15 | vivo Y31 5G |
|---|---|---|
| Screen size | 6.9 ″+3% | 6.68 ″ |
| Panel type | IPS LCD | IPS LCD |
| Resolution | 1080x2340 | 720x1608 |
| Pixel density | 374 ppi+42% | 264 ppi |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 850 nits | 1,000 nits+18% |
Performance
| Spec | Redmi 15 | vivo Y31 5G |
|---|---|---|
| Chipset | Snapdragon 685 | Qualcomm Snapdragon 4 Gen 2 |
| Geekbench 6 (single) | 474Bottom 9% | — |
| Geekbench 6 (multi) | 1,620Bottom 10% | — |
| Wild Life Extreme stability | 99 %Top 39% | — |
| RAM (max) | 8 GB+33% | 6 GB |
| Storage options | 128/256GB | 128GB |
| Storage type | UFS 2.2 | eMMC 5.1 |
Camera
| Spec | Redmi 15 | vivo Y31 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Max video | 1080p@30fps | 1080p@30fps |
| Front camera | 8 MP | 8 MP |
| OIS | No | No |
Battery
| Spec | Redmi 15 | vivo Y31 5G |
|---|---|---|
| Capacity | 7,000 mAh+8% | 6,500 mAh |
| Wired charging | 33 W | 44 W+33% |
Design
| Spec | Redmi 15 | vivo Y31 5G |
|---|---|---|
| Weight | 214 g | 209 g+2% |
| Thickness | 8.4 mm | 8.4 mm |
| IP rating | IP64 | IP68/IP69 |
| Frame material | Plastic | — |
Connectivity
| Spec | Redmi 15 | vivo Y31 5G |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.0 | 4.2 |
| NFC | Yes | No |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | Redmi 15 | vivo Y31 5G |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 15 (Funtouch OS 15) |
| OS update pledge | 2 years | — |
Audio
| Spec | Redmi 15 | vivo Y31 5G |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | No | No |