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- A55 5G vs Y31s
OPPO A55 5G vs Vivo Y31s
What A55 5G does better (5) and where Y31s wins (7) — every spec side by side.
Dimensions
Size comparison
A55 5GY31s
| A55 5G | Y31s | Difference | |
|---|---|---|---|
| Height | 163.9 mm | 164.2 mm | −0.3 mm |
| Width | 75.7 mm | 75.4 mm | +0.3 mm |
| Thickness | 8.4 mm | 8.4 mm | = |
| Weight | 186 g | 186 g | +0 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A55 5G better than Y31s?
- RAM8 GB vs 6 GB+33%
- Storage (base)128 GB vs 64 GB2×
- Memory card slotYes · Y31s: No
- CPU frequency2.2 GHz vs 2 GHz+10%
- Process7 nm vs 8 nm+14%
Why is Y31s better than A55 5G?
- Wired charging10 W vs 18 W+80%
- Refresh rate60 Hz vs 90 Hz+50%
- Pixel density270 ppi vs 400 ppi+48%
- Max video1080p vs 4K
- Resolution (width)720 px vs 1,080 px+50%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 6+20%
- Screen-to-body ratio82.2% vs 84.7%+3%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 186 g |
| Thickness | 8.4 mm | 8.4 mm |
| Height | 163.9 mm | 164.2 mm |
| Width | 75.7 mm | 75.4 mm |
| Colours | Black, Blue, Gold | Red, Gray, Aurora |
| 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 | 400 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Peak brightness | 480 nits | — |
| Screen-to-body ratio | 82.2% | 84.7% |
| Performance | ||
| Chipset | Mediatek Dimensity 700 | Qualcomm SM4350 Snapdragon 480 5G |
| Chip maker | MediaTek | Qualcomm |
| Process | 7 nm | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2 GHz |
| GPU | Mali-G57 MC2 | Adreno 619 |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 128 GB | 64 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | f/2.2 | f/2.2 |
| Main sensor size | 1/3.06" | — |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 8 MP | 8 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 | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5.1 | 5.1 |
| 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, proximity, compass |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | ColorOS 11.1 | Funtouch 10.5 |
