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- A78 vs Redmi 12
OPPO A78 vs Xiaomi Redmi 12
What A78 does better (10) and where Redmi 12 wins (5) — every spec side by side.
Dimensions
Size comparison
A78Redmi 12
| A78 | Redmi 12 | Difference | |
|---|---|---|---|
| Height | 163.8 mm | 168.6 mm | −4.8 mm |
| Width | 75.1 mm | 76.3 mm | −1.2 mm |
| Thickness | 8 mm | 8.2 mm | −0.2 mm |
| Weight | 188 g | 198 g | −10 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A78 better than Redmi 12?
- Wired charging33 W vs 18 W+83%
- 5GYes · Redmi 12: No
- Stereo speakersYes · Redmi 12: No
- Water resistance (IPx)IPx4 vs IPx3+33%
- CPU frequency2.2 GHz vs 2 GHz+10%
- Charged in 30 min52% vs 29%+79%
- Peak brightness600 nits vs 550 nits+9%
- Process7 nm vs 12 nm+71%
- Weight188 g vs 198 g+6%
- Thickness8 mm vs 8.2 mm+2%
Why is Redmi 12 better than A78?
- Pixel density269 ppi vs 396 ppi+47%
- Rear cameras1 vs 22×
- Ultra-wide cameraNo · A78: Yes
- Screen size6.6″ vs 6.8″+4%
- Resolution (width)720 px vs 1,080 px+50%
Specifications
Side by side
| Design | ||
| Weight | 188 g | 198 g |
| Thickness | 8 mm | 8.2 mm |
| Height | 163.8 mm | 168.6 mm |
| Width | 75.1 mm | 76.3 mm |
| Frame | — | Plastic |
| Back | — | Glass |
| Ingress protection | IP54 | IP53 |
| Water resistance (IPx) | IPx4 | IPx3 |
| Glass protection | Panda glass | Gorilla Glass |
| Colours | Glowing Black, Glowing Purple | Midnight Black, Sky Blue, Polar Silver, Moonstone Silver |
| Display | ||
| Screen size | 6.6″ | 6.8″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,612 px | 2,460 px |
| Pixel density | 269 ppi | 396 ppi |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 600 nits | 550 nits |
| Measured brightness | — | 541 nits |
| Screen-to-body ratio | 84% | 85.1% |
| Performance | ||
| Chipset | Mediatek Dimensity 700 | Mediatek MT6769H Helio G88 |
| Chip maker | MediaTek | MediaTek |
| Process | 7 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2 GHz |
| GPU | Mali-G57 MC2 | Mali-G52 MC2 |
| AnTuTu score | — | 258,006 |
| Geekbench 6 (multi-core) | — | 1,303 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 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 | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 33 W | 18 W |
| Charged in 30 min | 52% | 29% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.3 | 5.3 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | Yes | No |
| 3.5 mm headphone jack | Yes | Yes |
| Loudspeaker loudness | — | -29.9 LUFS |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, compass |
| SAR (head) | — | 0.99 W/kg |
| Software | ||
| OS at launch | Android 12 | Android 13 |
| Platform | Android | Android |
| Interface | ColorOS 14 | HyperOS |
