- android.gs
- Compare
- A3x 4G vs C51s
OPPO A3x 4G vs Realme C51s
What A3x 4G does better (6) and where C51s wins (7) — every spec side by side.
Dimensions
Size comparison
A3x 4GC51s
| A3x 4G | C51s | Difference | |
|---|---|---|---|
| Height | 165.8 mm | 167.2 mm | −1.4 mm |
| Width | 76.1 mm | 76.7 mm | −0.6 mm |
| Thickness | 7.7 mm | 7.5 mm | +0.2 mm |
| Weight | 186 g | 182 g | +4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A3x 4G better than C51s?
- Storage (max)256 GB vs 128 GB2×
- Wired charging45 W vs 33 W+36%
- RAM8 GB vs 6 GB+33%
- Peak brightness1,000 nits vs 560 nits+79%
- CPU frequency2.1 GHz vs 1.8 GHz+17%
- Process11 nm vs 12 nm+9%
Why is C51s better than A3x 4G?
- Main camera8 MP vs 50 MP6.2×
- NFCNo · A3x 4G: Yes
- Storage (base)64 GB vs 128 GB2×
- Weight186 g vs 182 g+2%
- Main camera aperturef/2 vs f/1.8+11%
- Charged in 30 min50% vs 54%+8%
- Thickness7.7 mm vs 7.5 mm+3%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 182 g |
| Thickness | 7.7 mm | 7.5 mm |
| Height | 165.8 mm | 167.2 mm |
| Width | 76.1 mm | 76.7 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP54 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Glass protection | Panda glass | — |
| Colours | Nebula Red, Ocean Blue, Starry Purple | Shiny Green, Mighty Black |
| Display | ||
| Screen size | 6.7″ | 6.7″ |
| 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 | 260 ppi |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 1,000 nits | 560 nits |
| Screen-to-body ratio | 85% | 85.5% |
| Performance | ||
| Chipset | Qualcomm SM-6115 Snapdragon 6s 4G Gen1 | Unisoc Tiger T612 |
| Chip maker | Qualcomm | Unisoc |
| Process | 11 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.1 GHz | 1.8 GHz |
| GPU | Adreno 610 | Mali-G57 |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Storage (max) | 256 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 50 MP |
| Main camera aperture | f/2 | f/1.8 |
| Main sensor size | 1/3.94" | 1/2.76" |
| 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 | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,100 mAh | 5,000 mAh |
| Wired charging | 45 W | 33 W |
| Charged in 30 min | 50% | 54% |
| 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 | 5 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 14 | Android 13 |
| Platform | Android | Android |
| Interface | ColorOS 15 | realme UI T Edition |
