Oppo A91 vs Samsung Galaxy M21
Oppo A91 vs Samsung Galaxy M21: Comparing Oppo A91 and Samsung Galaxy M21 to help you make an informed decision. Explore the key features, specifications, and differences between these two smartphones to find out which one suits your needs better.
| Feature | Oppo A91 | Samsung Galaxy M21 |
|---|---|---|
| Display Size | 6.4 inches | 6.4 inches |
| Display Type | AMOLED | Super AMOLED |
| Resolution | 1080 x 2400 pixels | 1080 x 2340 pixels |
| Processor | Mediatek MT6771V Helio P70 | Exynos 9611 |
| RAM | 8 GB | 4/6 GB |
| Storage | 128 GB | 64/128 GB |
| Main Camera | 48 MP (f/1.8) | 48 MP (f/2.0) |
| Ultra Wide Camera | 8 MP (f/2.2) | 8 MP (f/2.2) |
| Depth Sensor | 2 MP (f/2.4) | 5 MP (f/2.2) |
| Front Camera | 16 MP (f/2.0) | 20 MP (f/2.0) |
| Battery Capacity | 4025 mAh | 6000 mAh |
| Fast Charging | Yes (VOOC Flash Charge 3.0) | Yes (15W) |
| Operating System | Android 9.0 (Pie); ColorOS 6.1 | Android 10, One UI 2.0 |
| MicroSD Slot | Yes (up to 256 GB) | Yes (dedicated slot, up to 512 GB) |
| Headphone Jack | Yes | Yes |
| Bluetooth | 5.0 | 5.0 |
| Wi-Fi | 802.11 a/b/g/n/ac | 802.11 b/g/n |
| USB Type | Type-C | Type-C |
| Fingerprint Sensor | In-display | Rear-mounted |
| Colors | Dark Blue, Red | Midnight Blue, Raven Black |
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