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- A18 vs A3
OPPO A18 vs OPPO A3
What A18 does better (0) and where A3 wins (11) — every spec side by side.
Dimensions
Size comparison
A18A3
| A18 | A3 | Difference | |
|---|---|---|---|
| Height | 163.7 mm | 165.7 mm | −2 mm |
| Width | 75 mm | 76 mm | −1 mm |
| Thickness | 8.2 mm | 7.7 mm | +0.5 mm |
| Weight | 188 g | 187 g | +1 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A18 better than A3?
A18 has no measurable advantages in this pair.
Why is A3 better than A18?
- Main camera8 MP vs 50 MP6.2×
- RAM4 GB vs 8 GB2×
- Storage (max)128 GB vs 256 GB2×
- 5GNo · A18: Yes
- Refresh rate90 Hz vs 120 Hz+33%
- Peak brightness720 nits vs 1,000 nits+39%
- Process12 nm vs 6 nm2×
- Storage (base)64 GB vs 128 GB2×
- CPU frequency2 GHz vs 2.4 GHz+20%
- Main camera aperturef/2 vs f/1.8+11%
- Thickness8.2 mm vs 7.7 mm+6%
Specifications
Side by side
| Design | ||
| Weight | 188 g | 187 g |
| Thickness | 8.2 mm | 7.7 mm |
| Height | 163.7 mm | 165.7 mm |
| Width | 75 mm | 76 mm |
| Ingress protection | IP54 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Glass protection | — | Panda glass |
| Colours | Glowing Black, Glowing Blue | Ocean Blue, Nebula Red |
| Display | ||
| Screen size | 6.6″ | 6.7″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,612 px | 1,604 px |
| Pixel density | 269 ppi | 264 ppi |
| Refresh rate | 90 Hz | 120 Hz |
| Peak brightness | 720 nits | 1,000 nits |
| Screen-to-body ratio | 84.2% | 85.2% |
| Performance | ||
| Chipset | Mediatek MT6769 Helio G85 | 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-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 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 50 MP |
| Main camera aperture | f/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 | 5 MP | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,100 mAh |
| Battery type | Li-Po | — |
| Wired charging | — | 45 W |
| Charged in 30 min | — | 50% |
| 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 | 5.3 |
| 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 | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| SAR (head) | — | 1.05 W/kg |
| Software | ||
| OS at launch | Android 13 | Android 14 |
| Platform | Android | Android |
| Interface | ColorOS 15 | ColorOS 14 |









