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- A3x 4G vs 12
OPPO A3x 4G vs Realme 12
What A3x 4G does better (1) and where 12 wins (12) — every spec side by side.
Dimensions
Size comparison
A3x 4G12
| A3x 4G | 12 | Difference | |
|---|---|---|---|
| Height | 165.8 mm | 165.6 mm | +0.2 mm |
| Width | 76.1 mm | 76.1 mm | = |
| Thickness | 7.7 mm | 7.7 mm | = |
| Weight | 186 g | 188 g | −2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A3x 4G better than 12?
- Peak brightness1,000 nits vs 950 nits+5%
Why is 12 better than A3x 4G?
- Main camera8 MP vs 108 MP13.5×
- Storage (max)256 GB vs 512 GB2×
- Stereo speakersNo · A3x 4G: Yes
- Refresh rate90 Hz vs 120 Hz+33%
- Pixel density264 ppi vs 392 ppi+48%
- Storage (base)64 GB vs 128 GB2×
- Process11 nm vs 6 nm+83%
- CPU frequency2.1 GHz vs 2.2 GHz+5%
- Selfie camera5 MP vs 8 MP+60%
- Resolution (width)720 px vs 1,080 px+50%
- Main camera aperturef/2 vs f/1.8+11%
- Bluetooth5 vs 5.2+4%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 188 g |
| Thickness | 7.7 mm | 7.7 mm |
| Height | 165.8 mm | 165.6 mm |
| Width | 76.1 mm | 76.1 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 | Twilight Purple, Woodland Green |
| Display | ||
| Screen size | 6.7″ | 6.7″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,604 px | 2,400 px |
| Pixel density | 264 ppi | 392 ppi |
| Refresh rate | 90 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 950 nits |
| Screen-to-body ratio | 85% | 86.5% |
| Performance | ||
| Chipset | Qualcomm SM-6115 Snapdragon 6s 4G Gen1 | Mediatek Dimensity 6100+ |
| Chip maker | Qualcomm | MediaTek |
| Process | 11 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.1 GHz | 2.2 GHz |
| GPU | Adreno 610 | Mali-G57 MC2 |
| AnTuTu score | — | 551,605 |
| Geekbench 6 (multi-core) | — | 1,930 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 512 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 108 MP |
| Main camera aperture | f/2 | f/1.8 |
| Main sensor size | 1/3.94" | 1/1.67" |
| 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 | 45 W |
| Charged in 30 min | 50% | 50% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | — | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 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 14 | Android 14 |
| Platform | Android | Android |
| Interface | ColorOS 15 | Realme UI 5.0 |
