| Oppo A55 | Xiaomi Redmi 9C NFC | |
| Specifications | ||
| Brand | Oppo | Xiaomi |
| Model | - | - |
| Release Date | October 2021 | August 2020 |
| Operating System | ColorOS (Android 11) | MIUI (Android 10) |
| Dimensions | ||
| Size | 163.6 x 75.7 x 8.4 mm 6.44 x 2.98 x 0.33 in |
164.9 x 77.0 x 9.0 mm 6.49 x 3.03 x 0.35 in |
| Weight | 193 g 6.81 oz |
196 g 6.91 oz |
| Screen | ||
| Size | 6.51 inches | 6.53 inches |
| Resolution | 720 x 1,600 pixels | 720 x 1,600 pixels |
| PPI | 270 | 269 |
| Features | - | - |
| Cameras | ||
| Rear | Triple camera 50 MP f/1.8 Wide 2 MP f/2.4 Macro 2 MP f/2.4 Depth |
Dual camera 13 MP f/2.2 Wide 2 MP f/2.4 Macro |
| Front | 16 MP f/2.0 Wide | 5 MP f/2.2 Wide |
| Storage | ||
| Memory | 4 GB 6 GB |
2 GB 3 GB |
| Fixed | 64 GB 128 GB |
32 GB 64 GB |
| Removable | microSDXC | microSDXC |
| Processor | ||
| Chip | MediaTek Helio G35 Octa-core processor 12 nm |
MediaTek Helio G35 Octa-core processor 12 nm |
| CPU | 4x 2.30 GHz Cortex-A53 4x 1.80 GHz Cortex-A53 |
4x 2.30 GHz Cortex-A53 4x 1.80 GHz Cortex-A53 |
| GPU | PowerVR GE8320 | PowerVR GE8320 |
| Battery | ||
| Capacity | 5,000 mAh | 5,000 mAh |
| Features | Fast charging 18W | - |
| Removable | ||
| Connectivity | ||
| 5G | ||
| NFC | ||
| 3.5 mm Audio Jack | ||
| Micro USB | ||
| USB Type-C | ||
| Lightning | ||