Redmi A4 5G vs vivo Y31 5G
20Performance20
44.1Display39.6
29Camera29
40.3Battery66.2
36Features73.3
3 spec wins — Redmi A4 5G8 spec wins — vivo Y31 5G
InnoReviews verdict
vivo Y31 5G wins this phone face-off, 40.3 to 32.3, pulling ahead mainly in features (+37) and battery (+26). Redmi A4 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi A4 5G
- Stronger display score: 44 vs 40
- Has 3.5mm jack — the other doesn't
Reasons to pick the vivo Y31 5G
- Stronger battery score: 66 vs 40
- Stronger features score: 73 vs 36
- 144% higher Wired charging: 44 W vs 18 W
- 67% higher Peak brightness: 1,000 nits vs 600 nits
- 60% higher Front camera: 8 MP vs 5 MP
Display
| Spec | Redmi A4 5G | vivo Y31 5G |
|---|---|---|
| Screen size | 6.88 ″+3% | 6.68 ″ |
| Panel type | IPS LCD | IPS LCD |
| Resolution | 720x1640 | 720x1608 |
| Pixel density | 260 ppi | 264 ppi+2% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 600 nits | 1,000 nits+67% |
| Screen-to-body | 90 % | — |
Performance
| Spec | Redmi A4 5G | vivo Y31 5G |
|---|---|---|
| Chipset | Snapdragon 4s Gen 2 | Qualcomm Snapdragon 4 Gen 2 |
| RAM (max) | 4 GB | 6 GB+50% |
| Storage options | 64/128GB | 128GB |
| Storage type | UFS 2.2 | eMMC 5.1 |
Camera
| Spec | Redmi A4 5G | 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 | 5 MP | 8 MP+60% |
| OIS | — | No |
Battery
| Spec | Redmi A4 5G | vivo Y31 5G |
|---|---|---|
| Capacity | 5,160 mAh | 6,500 mAh+26% |
| Wired charging | 18 W | 44 W+144% |
Design
| Spec | Redmi A4 5G | vivo Y31 5G |
|---|---|---|
| Weight | 212 g | 209 g+1% |
| Thickness | 8.2 mm+2% | 8.4 mm |
| IP rating | IP52 | IP68/IP69 |
| Frame material | Plastic | — |
Connectivity
| Spec | Redmi A4 5G | vivo Y31 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.0 | 4.2 |
| NFC | — | No |
| USB | USB-C | USB-C 2.0 |
| eSIM | — | No |
Software
| Spec | Redmi A4 5G | vivo Y31 5G |
|---|---|---|
| OS at launch | Android 14 (HyperOS) | Android 15 (Funtouch OS 15) |
| OS update pledge | 2 years | — |
Audio
| Spec | Redmi A4 5G | vivo Y31 5G |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | Yes | No |