Oppo A91 vs Samsung Galaxy A51
Oppo A91 vs Samsung Galaxy A51: A detailed comparison of two popular smartphones. Find out which one offers better features, performance, camera quality, and value for money. Make an informed decision before you buy your next smartphone.
| Feature | Oppo A91 | Samsung Galaxy A51 |
|---|---|---|
| Display Size | 6.4 inches | 6.5 inches |
| Display Type | AMOLED | Super AMOLED |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Processor | Mediatek MT6771V Helio P70 | Exynos 9611 |
| RAM | 8 GB | 4/6 GB |
| Internal Storage | 128 GB | 64/128 GB |
| Expandable Storage | Yes (up to 256 GB) | Yes (up to 512 GB) |
| Main Camera |
48 MP (f/1.8) 8 MP (f/2.2) 2 MP (f/2.4) 2 MP (f/2.4) |
48 MP (f/2.0) 12 MP (f/2.2) 5 MP (f/2.4) 5 MP (f/2.2) |
| Front Camera | 16 MP (f/2.0) | 32 MP (f/2.2) |
| Video Recording | 1080p@30fps | 4K@30fps, 1080p@30/120fps |
| Battery Capacity | 4025 mAh | 4000 mAh |
| Fast Charging | VOOC 3.0 (20W) | Fast charging 15W |
| Operating System | Android 9.0 (Pie); ColorOS 6.1 | Android 10.0; One UI 2 |
| Fingerprint Sensor | In-display | In-display |
| Face Unlock | Yes | Yes |
| Dimensions | 160.2 x 73.3 x 7.9 mm | 158.5 x 73.6 x 7.9 mm |
| Weight | 172 g | 172 g |
| Colors | Dark Blue, Red | Prism Crush Black, White, Blue, Pink |
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