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- A78 vs Redmi Note 12
OPPO A78 vs Xiaomi Redmi Note 12
What A78 does better (5) and where Redmi Note 12 wins (10) — every spec side by side.
vs
4.5Display8.0
4.6Camera5.7
6.0Battery3.9
6.8Features5.7
Dimensions
Size comparison
A78Redmi Note 12
| A78 | Redmi Note 12 | Difference | |
|---|---|---|---|
| Height | 163.8 mm | 165.9 mm | −2.1 mm |
| Width | 75.1 mm | 76.2 mm | −1.1 mm |
| Thickness | 8 mm | 8 mm | = |
| Weight | 188 g | 188 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is A78 better than Redmi Note 12?
- Stereo speakersYes · Redmi Note 12: No
- Main camera50 MP vs 48 MP+4%
- Water resistance (IPx)IPx4 vs IPx3+33%
- CPU frequency2.2 GHz vs 2 GHz+10%
- Bluetooth5.3 vs 5.1+4%
Why is Redmi Note 12 better than A78?
- OLED panelNo · A78: Yes
- Peak brightness600 nits vs 1,200 nits2×
- Refresh rate90 Hz vs 120 Hz+33%
- Pixel density269 ppi vs 395 ppi+47%
- Rear cameras1 vs 22×
- Ultra-wide cameraNo · A78: Yes
- Selfie camera8 MP vs 13 MP+62%
- Resolution (width)720 px vs 1,080 px+50%
- Charged in 30 min52% vs 68%+31%
- Process7 nm vs 6 nm+17%
Specifications
Side by side
| Design | ||
| Weight | 188 g | 188 g |
| Thickness | 8 mm | 8 mm |
| Height | 163.8 mm | 165.9 mm |
| Width | 75.1 mm | 76.2 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP54 | IP53 |
| Water resistance (IPx) | IPx4 | IPx3 |
| Glass protection | Panda glass | Corning Gorilla Glass 3 |
| Colours | Glowing Black, Glowing Purple | Frosted Green, Matte Black, Mystique Blue |
| Display | ||
| Screen size | 6.6″ | 6.7″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,612 px | 2,400 px |
| Pixel density | 269 ppi | 395 ppi |
| Refresh rate | 90 Hz | 120 Hz |
| Peak brightness | 600 nits | 1,200 nits |
| Measured brightness | — | 706 nits |
| Screen-to-body ratio | 84% | 85% |
| Performance | ||
| Chipset | Mediatek Dimensity 700 | Qualcomm SM4375 Snapdragon 4 Gen 1 |
| Chip maker | MediaTek | Qualcomm |
| Process | 7 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2 GHz |
| GPU | Mali-G57 MC2 | Adreno 619 |
| AnTuTu score | — | 360,745 |
| Geekbench 6 (multi-core) | — | 1,998 |
| 3DMark Wild Life Extreme | — | 308 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 48 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | — | 1/2.76" |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 13 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Po | Li-Po |
| Active use (test) | — | 11 h |
| Wired charging | 33 W | 33 W |
| Charged in 30 min | 52% | 68% |
| 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 | 5.1 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS |
| Features | ||
| Stereo speakers | Yes | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | — | -28 LUFS |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | — | 0.68 W/kg |
| Software | ||
| OS at launch | Android 12 | Android 12 |
| Platform | Android | Android |
| Interface | ColorOS 14 | MIUI 14 (International) |
