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- C57 Pro vs Bison X20
Oukitel C57 Pro vs Umidigi Bison X20
What C57 Pro does better (4) and where Bison X20 wins (10) — every spec side by side.
Dimensions
Size comparison
C57 ProBison X20
| C57 Pro | Bison X20 | Difference | |
|---|---|---|---|
| Height | 165.8 mm | 172.1 mm | −6.3 mm |
| Width | 76.6 mm | 83.8 mm | −7.2 mm |
| Thickness | 9.4 mm | 12.9 mm | −3.5 mm |
| Weight | 215 g | 278 g | −63 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C57 Pro better than Bison X20?
- Weight215 g vs 278 g+29%
- 3.5 mm headphone jackYes · Bison X20: No
- Thickness9.4 mm vs 12.9 mm+37%
- Screen-to-body ratio80.8% vs 71.4%+13%
Why is Bison X20 better than C57 Pro?
- Battery capacity4,300 mAh vs 6,000 mAh+40%
- Main camera13 MP vs 20 MP+54%
- RAM4 GB vs 6 GB+50%
- NFCNo · C57 Pro: Yes
- Process28 nm vs 12 nm2.3×
- Pixel density215 ppi vs 269 ppi+25%
- CPU frequency1.6 GHz vs 2 GHz+25%
- Selfie camera5 MP vs 8 MP+60%
- Resolution (width)576 px vs 720 px+25%
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
Specifications
Side by side
| Design | ||
| Weight | 215 g | 278 g |
| Thickness | 9.4 mm | 12.9 mm |
| Height | 165.8 mm | 172.1 mm |
| Width | 76.6 mm | 83.8 mm |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Glass protection | Corning Gorilla Glass 5 | — |
| Colours | Grey, Blue, Purple, Gold | Graphite Black |
| Display | ||
| Screen size | 6.5″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 576 px | 720 px |
| Resolution (height) | 1,280 px | 1,600 px |
| Pixel density | 215 ppi | 269 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 400 nits | — |
| Screen-to-body ratio | 80.8% | 71.4% |
| Performance | ||
| Chipset | Unisoc SC9863A | Mediatek Helio P60 |
| Chip maker | Unisoc | MediaTek |
| Process | 28 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 2 GHz |
| GPU | IMG8322 | Mali-G72 MP3 |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 20 MP |
| Main camera aperture | f/2.2 | f/2.2 |
| Main sensor size | 1/3.06" | — |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,300 mAh | 6,000 mAh |
| Battery type | Li-Ion | — |
| Wired charging | — | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 4.2 | 4.2 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | — | Side |
| Sensors | Accelerometer | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 14 | Android 13 |
| Platform | Android | Android |
| EU label | ||
| Energy class | B | — |
| Battery charge cycles | 1,000 | — |
| Endurance per cycle | 42 h | — |
| Repairability class | C | — |
| Drop resistance class | A | — |
