POCO M8x 5G vs vivo Y31d
20Performance28.9
50.5Display42.5
29Camera29
71.3Battery70.9
62.7Features46.7
5 spec wins — POCO M8x 5G4 spec wins — vivo Y31d
InnoReviews verdict
This one is close to a dead heat: POCO M8x 5G scores 42.4 against 41.8 for vivo Y31d. Pick by the categories that matter to you — POCO M8x 5G edges ahead in features and display, or by price.
Which would you pick?
Key differences
Reasons to pick the POCO M8x 5G
- Stronger display score: 51 vs 43
- Stronger features score: 63 vs 47
- 10% higher capacity: 7,900 mAh vs 7,200 mAh
- Has 5G — the other doesn't
- Has 3.5mm jack — the other doesn't
Reasons to pick the vivo Y31d
- Stronger performance score: 29 vs 20
- 33% higher RAM (max): 8 GB vs 6 GB
Display
| Spec | POCO M8x 5G | vivo Y31d |
|---|---|---|
| Screen size | 6.9 ″+2% | 6.75 ″ |
| Panel type | LCD | IPS LCD |
| Resolution | 720x1600 | 720x1570 |
| Pixel density | 254 ppi | 256 ppi+1% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 1,250 nits |
| Screen-to-body | — | 85.3 % |
Performance
| Spec | POCO M8x 5G | vivo Y31d |
|---|---|---|
| Chipset | Qualcomm Snapdragon 4 Gen 5 | Qualcomm Snapdragon 6s 4G Gen 2 |
| RAM (max) | 6 GB | 8 GB+33% |
| Storage options | 128GB | 128/256GB |
| Storage type | UFS 2.2 | UFS 2.2 |
Camera
| Spec | POCO M8x 5G | vivo Y31d |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/2.0 |
| Max video | — | 1080p@30fps |
| Front camera | 8 MP | 8 MP |
| OIS | — | No |
Battery
| Spec | POCO M8x 5G | vivo Y31d |
|---|---|---|
| Capacity | 7,900 mAh+10% | 7,200 mAh |
| Wired charging | 45 W+2% | 44 W |
| Wireless charging | 0 W | — |
Design
| Spec | POCO M8x 5G | vivo Y31d |
|---|---|---|
| Weight | 232 g | 219 g+6% |
| Thickness | 8.8 mm | 8.4 mm+5% |
| IP rating | IP64 | IP68/IP69 |
| Frame material | — | Plastic |
Connectivity
| Spec | POCO M8x 5G | vivo Y31d |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | — | Wi-Fi 5 |
| Bluetooth | 5.1 | 5.1 |
| NFC | — | No |
| USB | — | USB-C 2.0 |
| eSIM | — | No |
Software
| Spec | POCO M8x 5G | vivo Y31d |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 16 (OriginOS 6) |
| OS update pledge | 4 years | — |
Audio
| Spec | POCO M8x 5G | vivo Y31d |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |