| Oppo A16 | Realme C21Y | |
| Specifications | ||
| Brand | Oppo | Realme |
| Model | - | - |
| Release Date | July 2021 | July 2021 |
| Operating System | ColorOS (Android 11) | Realme UI (Android 11) |
| Dimensions | ||
| Size | 163.8 x 75.6 x 8.4 mm 6.45 x 2.98 x 0.33 in |
164.5 x 76.0 x 9.1 mm 6.48 x 2.99 x 0.36 in |
| Weight | 190 g 6.70 oz |
200 g 7.05 oz |
| Screen | ||
| Size | 6.52 inches | 6.5 inches |
| Resolution | 720 x 1,600 pixels | 720 x 1,600 pixels |
| PPI | 269 | 270 |
| Features | - | - |
| Cameras | ||
| Rear | Triple camera 13 MP f/2.2 Wide 2 MP f/2.4 Macro 2 MP f/2.4 Depth |
Triple camera 13 MP f/2.2 Wide 2 MP f/2.4 Macro 2 MP f/2.4 Depth |
| Front | 8 MP f/2.0 Wide | 5 MP f/2.2 Wide |
| Storage | ||
| Memory | 3 GB 4 GB |
3 GB 4 GB |
| Fixed | 32 GB 64 GB |
32 GB 64 GB |
| Removable | microSDXC | microSDXC |
| Processor | ||
| Chip | MediaTek Helio G35 Octa-core processor 12 nm |
Unisoc T610 Octa-core processor 12 nm |
| CPU | 4x 2.30 GHz Cortex-A53 4x 1.80 GHz Cortex-A53 |
2x 1.80 GHz Cortex-A75 6x 1.80 GHz Cortex-A55 |
| GPU | PowerVR GE8320 | Mali-G52 MC2 |
| Battery | ||
| Capacity | 5,000 mAh | 5,000 mAh |
| Features | - | - |
| Removable | ||
| Connectivity | ||
| 5G | ||
| NFC | ||
| 3.5 mm Audio Jack | ||
| Micro USB | ||
| USB Type-C | ||
| Lightning | ||