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- Bison Pro vs Y31s
Umidigi Bison Pro vs Vivo Y31s
What Bison Pro does better (10) and where Y31s wins (10) — every spec side by side.
Dimensions
Size comparison
Bison ProY31s
| Bison Pro | Y31s | Difference | |
|---|---|---|---|
| Height | 164 mm | 164.2 mm | −0.2 mm |
| Width | 79.6 mm | 75.4 mm | +4.2 mm |
| Thickness | 12.7 mm | 8.4 mm | +4.3 mm |
| Weight | 265 g | 186 g | +80 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Bison Pro better than Y31s?
- Main camera48 MP vs 13 MP3.7×
- NFCYes · Y31s: No
- RAM8 GB vs 6 GB+33%
- Selfie camera24 MP vs 8 MP3×
- Storage (base)128 GB vs 64 GB2×
- Memory card slotYes · Y31s: No
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · Y31s: No
- Pixel density409 ppi vs 400 ppi+2%
- Main camera aperturef/1.8 vs f/2.2+22%
Why is Y31s better than Bison Pro?
- Refresh rate60 Hz vs 90 Hz+50%
- 5GNo · Bison Pro: Yes
- Weight265 g vs 186 g+43%
- Max video1080p vs 4K
- Screen size6.3″ vs 6.6″+4%
- Thickness12.7 mm vs 8.4 mm+51%
- Process12 nm vs 8 nm+50%
- Bluetooth4.2 vs 5.1+21%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 6+20%
- Screen-to-body ratio74.6% vs 84.7%+14%
Specifications
Side by side
| Design | ||
| Weight | 265 g | 186 g |
| Thickness | 12.7 mm | 8.4 mm |
| Height | 164 mm | 164.2 mm |
| Width | 79.6 mm | 75.4 mm |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Glass protection | Corning Gorilla Glass | — |
| Colours | Storm Gray, Hack Black | Red, Gray, Aurora |
| Display | ||
| Screen size | 6.3″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,340 px | 2,408 px |
| Pixel density | 409 ppi | 400 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Screen-to-body ratio | 74.6% | 84.7% |
| Performance | ||
| Chipset | Mediatek Helio G80 | Qualcomm SM4350 Snapdragon 480 5G |
| Chip maker | MediaTek | Qualcomm |
| Process | 12 nm | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2 GHz |
| GPU | Mali-G52 MC2 | Adreno 619 |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 128 GB | 64 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 48 MP | 13 MP |
| Main camera aperture | f/1.8 | f/2.2 |
| Main sensor size | 1/2.0" | — |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 24 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 18 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 4.2 | 5.1 |
| NFC | Yes | No |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | — | 2 |
| Satellite navigation | GLONASS, GALILEO | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Barometer | Yes | — |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass, barometer, thermometer (skin temperature) | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | — | Funtouch 10.5 |
