| Oppo A7 | Xiaomi Mi 9T | |
| Specifications | ||
| Brand | Oppo | Xiaomi |
| Model | - | - |
| Release Date | November 2018 | June 2019 |
| Operating System | ColorOS (Android 8.1) | MIUI (Android 9.0) |
| Dimensions | ||
| Size | 155.9 x 75.4 x 8.1 mm 6.14 x 2.97 x 0.32 in |
156.7 x 74.3 x 8.8 mm 6.17 x 2.93 x 0.35 in |
| Weight | 168 g 5.93 oz |
191 g 6.74 oz |
| Screen | ||
| Size | 6.2 inches | 6.39 inches |
| Resolution | 720 x 1,520 pixels | 1,080 x 2,340 pixels |
| PPI | 271 | 403 |
| Features | - | OLED |
| Cameras | ||
| Rear | Dual camera 13 MP f/2.2 Wide 2 MP f/2.4 Depth |
Triple camera 48 MP f/1.8 Wide 13 MP f/2.4 Ultra Wide 8 MP f/2.4 Telephoto |
| Front | 16 MP f/2.0 Wide | 20 MP f/2.2 Wide |
| Storage | ||
| Memory | 3 GB 4 GB |
6 GB |
| Fixed | 32 GB 64 GB |
64 GB 128 GB |
| Removable | microSDXC | - |
| Processor | ||
| Chip | Qualcomm Snapdragon 450 SDM450 Octa-core processor 14 nm |
Qualcomm Snapdragon 730 SM7150-AA Octa-core processor 8 nm |
| CPU | 8x 1.80 GHz Cortex-A53 | 2x 2.20 GHz Kryo 470 Gold 6x 1.80 GHz Kryo 470 Silver |
| GPU | Adreno 506 | Adreno 618 |
| Battery | ||
| Capacity | 4,230 mAh | 4,000 mAh |
| Features | - | Fast charging 18W |
| Removable | ||
| Connectivity | ||
| 5G | ||
| NFC | ||
| 3.5 mm Audio Jack | ||
| Micro USB | ||
| USB Type-C | ||
| Lightning | ||