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- A18 vs A57
OPPO A18 vs OPPO A57
What A18 does better (2) and where A57 wins (10) — every spec side by side.
Dimensions
Size comparison
A18A57
| A18 | A57 | Difference | |
|---|---|---|---|
| Height | 163.7 mm | 163.8 mm | −0.1 mm |
| Width | 75 mm | 75.1 mm | −0.1 mm |
| Thickness | 8.2 mm | 8 mm | +0.2 mm |
| Weight | 188 g | 186 g | +2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A18 better than A57?
- Peak brightness720 nits vs 600 nits+20%
- Main camera aperturef/2 vs f/2.2+10%
Why is A57 better than A18?
- RAM4 GB vs 8 GB2×
- Main camera8 MP vs 13 MP+62%
- Storage (max)128 GB vs 256 GB2×
- 5GNo · A18: Yes
- Stereo speakersNo · A18: Yes
- Process12 nm vs 6 nm2×
- Storage (base)64 GB vs 128 GB2×
- CPU frequency2 GHz vs 2.4 GHz+20%
- Selfie camera5 MP vs 8 MP+60%
- Thickness8.2 mm vs 8 mm+2%
Specifications
Side by side
| Design | ||
| Weight | 188 g | 186 g |
| Thickness | 8.2 mm | 8 mm |
| Height | 163.7 mm | 163.8 mm |
| Width | 75 mm | 75.1 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Colours | Glowing Black, Glowing Blue | Black, Blue, Lilac |
| Display | ||
| Screen size | 6.6″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,612 px | 1,612 px |
| Pixel density | 269 ppi | 269 ppi |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 720 nits | 600 nits |
| Measured brightness | — | 761 nits |
| Screen-to-body ratio | 84.2% | 84% |
| Performance | ||
| Chipset | Mediatek MT6769 Helio G85 | Mediatek Dimensity 810 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.4 GHz |
| GPU | Mali-G52 MC2 | Mali-G57 MC2 |
| Memory | ||
| RAM | 4 GB | 8 GB |
| Storage (max) | 128 GB | 256 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 | 13 MP |
| Main camera aperture | f/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 | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | — | 10 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 | 5.3 | 5.2 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | Yes |
| 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 13 | Android 12 |
| Platform | Android | Android |
| Interface | ColorOS 15 | ColorOS 12.1 |
