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- Y31d vs Poco M8x
Vivo Y31d vs Xiaomi Poco M8x
What Y31d does better (7) and where Poco M8x wins (7) — every spec side by side.
Dimensions
Size comparison
Y31dPoco M8x
| Y31d | Poco M8x | Difference | |
|---|---|---|---|
| Height | 166.6 mm | 170.1 mm | −3.5 mm |
| Width | 78.4 mm | 78.4 mm | = |
| Thickness | 8.4 mm | 8.8 mm | −0.4 mm |
| Weight | 219 g | 232 g | −13 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Y31d better than Poco M8x?
- Water resistance (IPx)IPx8 vs IPx42×
- Storage (max)256 GB vs 128 GB2×
- RAM8 GB vs 6 GB+33%
- CPU frequency2.9 GHz vs 2.4 GHz+21%
- Weight219 g vs 232 g+6%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
- Thickness8.4 mm vs 8.8 mm+5%
Why is Poco M8x better than Y31d?
- Battery capacity7,200 mAh vs 7,900 mAh+10%
- Wired charging44 W vs 45 W+2%
- Memory card slotNo · Y31d: Yes
- 3.5 mm headphone jackNo · Y31d: Yes
- Screen size6.8″ vs 6.9″+2%
- Process6 nm vs 4 nm+50%
- Main camera aperturef/2 vs f/1.8+11%
Specifications
Side by side
| Design | ||
| Weight | 219 g | 232 g |
| Thickness | 8.4 mm | 8.8 mm |
| Height | 166.6 mm | 170.1 mm |
| Width | 78.4 mm | 78.4 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP68 | IP64 |
| Water resistance (IPx) | IPx8 | IPx4 |
| Glass protection | — | Corning Gorilla Glass 7i |
| Colours | Glow White, Starlight Grey | Leather Green, Black, Blue |
| Display | ||
| Screen size | 6.8″ | 6.9″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,570 px | 1,600 px |
| Pixel density | 256 ppi | 254 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,250 nits | — |
| Screen-to-body ratio | 85.3% | 86.2% |
| Performance | ||
| Chipset | Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2 | Qualcomm Snapdragon 4 Gen 5 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 6 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.9 GHz | 2.4 GHz |
| GPU | Adreno | Adreno 613 |
| AnTuTu score | — | 624,021 |
| Geekbench 6 (multi-core) | — | 2,230 |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Storage (max) | 256 GB | 128 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | UFS 2.2 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/2 | f/1.8 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 7,200 mAh | 7,900 mAh |
| Battery type | Si/C | Si/C |
| Wired charging | 44 W | 45 W |
| Charged in 30 min | 35% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | — | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 5.1 | 5.1 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 16 | Android 16 |
| Platform | Android | Android |
| Interface | OriginOS 6 | HyperOS 3 |
| Major OS updates promised | — | 4 |
