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- A3 vs A78
OPPO A3 vs OPPO A78
What A3 does better (6) and where A78 wins (4) — every spec side by side.
Dimensions
Size comparison
A3A78
| A3 | A78 | Difference | |
|---|---|---|---|
| Height | 165.7 mm | 163.8 mm | +1.9 mm |
| Width | 76 mm | 75.1 mm | +0.9 mm |
| Thickness | 7.7 mm | 8 mm | −0.3 mm |
| Weight | 187 g | 188 g | −1 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A3 better than A78?
- Wired charging45 W vs 33 W+36%
- Refresh rate120 Hz vs 90 Hz+33%
- Peak brightness1,000 nits vs 600 nits+67%
- CPU frequency2.4 GHz vs 2.2 GHz+9%
- Process6 nm vs 7 nm+17%
- Thickness7.7 mm vs 8 mm+4%
Why is A78 better than A3?
- NFCNo · A3: Yes
- Stereo speakersNo · A3: Yes
- Selfie camera5 MP vs 8 MP+60%
- Charged in 30 min50% vs 52%+4%
Specifications
Side by side
| Design | ||
| Weight | 187 g | 188 g |
| Thickness | 7.7 mm | 8 mm |
| Height | 165.7 mm | 163.8 mm |
| Width | 76 mm | 75.1 mm |
| Ingress protection | IP54 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Glass protection | Panda glass | Panda glass |
| Colours | Ocean Blue, Nebula Red | Glowing Black, Glowing Purple |
| Display | ||
| Screen size | 6.7″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,604 px | 1,612 px |
| Pixel density | 264 ppi | 269 ppi |
| Refresh rate | 120 Hz | 90 Hz |
| Peak brightness | 1,000 nits | 600 nits |
| Screen-to-body ratio | 85.2% | 84% |
| Performance | ||
| Chipset | Mediatek Dimensity 6300 | Mediatek Dimensity 700 |
| Chip maker | MediaTek | MediaTek |
| Process | 6 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2.2 GHz |
| GPU | Mali-G57 MC2 | Mali-G57 MC2 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | 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 | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,100 mAh | 5,000 mAh |
| Battery type | — | Li-Po |
| Wired charging | 45 W | 33 W |
| Charged in 30 min | 50% | 52% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.3 | 5.3 |
| NFC | No | Yes |
| 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, proximity, compass |
| SAR (head) | 1.05 W/kg | — |
| Software | ||
| OS at launch | Android 14 | Android 12 |
| Platform | Android | Android |
| Interface | ColorOS 14 | ColorOS 14 |
