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- A55 5G vs Y51a
OPPO A55 5G vs Vivo Y51a
What A55 5G does better (2) and where Y51a wins (10) — every spec side by side.
Dimensions
Size comparison
A55 5GY51a
| A55 5G | Y51a | Difference | |
|---|---|---|---|
| Height | 163.9 mm | 163.9 mm | = |
| Width | 75.7 mm | 75.3 mm | +0.4 mm |
| Thickness | 8.4 mm | 8.4 mm | = |
| Weight | 186 g | 188 g | −2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A55 5G better than Y51a?
- CPU frequency2.2 GHz vs 2 GHz+10%
- Process7 nm vs 11 nm+57%
Why is Y51a better than A55 5G?
- Main camera13 MP vs 48 MP3.7×
- Wired charging10 W vs 18 W+80%
- Pixel density270 ppi vs 401 ppi+49%
- Rear cameras1 vs 22×
- Ultra-wide cameraNo · A55 5G: Yes
- Max video1080p vs 4K
- Selfie camera8 MP vs 16 MP2×
- Resolution (width)720 px vs 1,080 px+50%
- Main camera aperturef/2.2 vs f/1.8+22%
- Screen-to-body ratio82.2% vs 84.5%+3%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 188 g |
| Thickness | 8.4 mm | 8.4 mm |
| Height | 163.9 mm | 163.9 mm |
| Width | 75.7 mm | 75.3 mm |
| Colours | Black, Blue, Gold | Titanium Sapphire, Crystal Symphony |
| Display | ||
| Screen size | 6.5″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,600 px | 2,408 px |
| Pixel density | 270 ppi | 401 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 480 nits | — |
| Screen-to-body ratio | 82.2% | 84.5% |
| Performance | ||
| Chipset | Mediatek Dimensity 700 | Qualcomm SM6115 Snapdragon 662 |
| Chip maker | MediaTek | Qualcomm |
| Process | 7 nm | 11 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2 GHz |
| GPU | Mali-G57 MC2 | Adreno 610 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 128 GB | 128 GB |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 48 MP |
| Main camera aperture | f/2.2 | f/1.8 |
| Main sensor size | 1/3.06" | 1/2.0" |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 8 MP | 16 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 10 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.1 | 5 |
| 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 |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | — | 0.87 W/kg |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | ColorOS 11.1 | Funtouch 12 |
