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- Bison X20 vs Y28s
Umidigi Bison X20 vs Vivo Y28s
What Bison X20 does better (2) and where Y28s wins (14) — every spec side by side.
Dimensions
Size comparison
Bison X20Y28s
| Bison X20 | Y28s | Difference | |
|---|---|---|---|
| Height | 172.1 mm | 163.6 mm | +8.5 mm |
| Width | 83.8 mm | 75.6 mm | +8.2 mm |
| Thickness | 12.9 mm | 8.4 mm | +4.5 mm |
| Weight | 278 g | 185 g | +93 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Bison X20 better than Y28s?
- Water resistance (IPx)IPx8 vs IPx42×
- Battery capacity6,000 mAh vs 5,000 mAh+20%
Why is Y28s better than Bison X20?
- Main camera20 MP vs 50 MP2.5×
- Refresh rate60 Hz vs 90 Hz+50%
- Wired charging10 W vs 15 W+50%
- Storage (max)128 GB vs 256 GB2×
- 5GNo · Bison X20: Yes
- RAM6 GB vs 8 GB+33%
- Weight278 g vs 185 g+50%
- Process12 nm vs 6 nm2×
- 3.5 mm headphone jackNo · Bison X20: Yes
- CPU frequency2 GHz vs 2.4 GHz+20%
- Thickness12.9 mm vs 8.4 mm+54%
- Bluetooth4.2 vs 5.4+29%
Specifications
Side by side
| Design | ||
| Weight | 278 g | 185 g |
| Thickness | 12.9 mm | 8.4 mm |
| Height | 172.1 mm | 163.6 mm |
| Width | 83.8 mm | 75.6 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP68 | IP64 |
| Water resistance (IPx) | IPx8 | IPx4 |
| Colours | Graphite Black | Mocha Brown, Twinkling Purple |
| Display | ||
| Screen size | 6.5″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,600 px | 1,612 px |
| Pixel density | 269 ppi | 269 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Peak brightness | — | 840 nits |
| Screen-to-body ratio | 71.4% | 83.6% |
| Performance | ||
| Chipset | Mediatek Helio P60 | Mediatek Dimensity 6300 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.4 GHz |
| GPU | Mali-G72 MP3 | Mali-G57 MC2 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 20 MP | 50 MP |
| Main camera aperture | f/2.2 | 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 | 6,000 mAh | 5,000 mAh |
| Battery type | — | Li-Ion |
| Wired charging | 10 W | 15 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 4.2 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | — | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | No | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 13 | Android 14 |
| Platform | Android | Android |
| Interface | — | Funtouch 14 |
