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- A3x 4G vs Bison X20
OPPO A3x 4G vs Umidigi Bison X20
What A3x 4G does better (13) and where Bison X20 wins (6) — every spec side by side.
Dimensions
Size comparison
A3x 4GBison X20
| A3x 4G | Bison X20 | Difference | |
|---|---|---|---|
| Height | 165.8 mm | 172.1 mm | −6.3 mm |
| Width | 76.1 mm | 83.8 mm | −7.7 mm |
| Thickness | 7.7 mm | 12.9 mm | −5.2 mm |
| Weight | 186 g | 278 g | −92 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A3x 4G better than Bison X20?
- Wired charging45 W vs 10 W4.5×
- Refresh rate90 Hz vs 60 Hz+50%
- Storage (max)256 GB vs 128 GB2×
- RAM8 GB vs 6 GB+33%
- Weight186 g vs 278 g+49%
- 3.5 mm headphone jackYes · Bison X20: No
- CPU frequency2.1 GHz vs 2 GHz+5%
- Thickness7.7 mm vs 12.9 mm+68%
- Screen size6.7″ vs 6.5″+2%
- Screen-to-body ratio85% vs 71.4%+19%
- Bluetooth5 vs 4.2+19%
- Main camera aperturef/2 vs f/2.2+10%
Why is Bison X20 better than A3x 4G?
- Main camera8 MP vs 20 MP2.5×
- Water resistance (IPx)IPx4 vs IPx82×
- NFCNo · A3x 4G: Yes
- Battery capacity5,100 mAh vs 6,000 mAh+18%
- Storage (base)64 GB vs 128 GB2×
- Selfie camera5 MP vs 8 MP+60%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 278 g |
| Thickness | 7.7 mm | 12.9 mm |
| Height | 165.8 mm | 172.1 mm |
| Width | 76.1 mm | 83.8 mm |
| Ingress protection | IP54 | IP68 |
| Water resistance (IPx) | IPx4 | IPx8 |
| Glass protection | Panda glass | — |
| Colours | Nebula Red, Ocean Blue, Starry Purple | Graphite Black |
| Display | ||
| Screen size | 6.7″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,604 px | 1,600 px |
| Pixel density | 264 ppi | 269 ppi |
| Refresh rate | 90 Hz | 60 Hz |
| Peak brightness | 1,000 nits | — |
| Screen-to-body ratio | 85% | 71.4% |
| Performance | ||
| Chipset | Qualcomm SM-6115 Snapdragon 6s 4G Gen1 | Mediatek Helio P60 |
| Chip maker | Qualcomm | MediaTek |
| Process | 11 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.1 GHz | 2 GHz |
| GPU | Adreno 610 | Mali-G72 MP3 |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Storage (max) | 256 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 20 MP |
| Main camera aperture | f/2 | f/2.2 |
| Main sensor size | 1/3.94" | — |
| 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 | 5,100 mAh | 6,000 mAh |
| Wired charging | 45 W | 10 W |
| Charged in 30 min | 50% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 4.2 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 14 | Android 13 |
| Platform | Android | Android |
| Interface | ColorOS 15 | — |
