| Xiaomi Redmi 9C NFC | Vivo V21 5G | |
| Specifications | ||
| Brand | Xiaomi | Vivo |
| Model | - | - |
| Release Date | August 2020 | May 2021 |
| Operating System | MIUI (Android 10) | Android 11 |
| Dimensions | ||
| Size | 164.9 x 77.0 x 9.0 mm 6.49 x 3.03 x 0.35 in |
159.7 x 73.9 x 7.3 mm 6.29 x 2.91 x 0.29 in |
| Weight | 196 g 6.91 oz |
176 g 6.21 oz |
| Screen | ||
| Size | 6.53 inches | 6.44 inches |
| Resolution | 720 x 1,600 pixels | 1,080 x 2,400 pixels |
| PPI | 269 | 409 |
| Features | - | OLED, 90Hz |
| Cameras | ||
| Rear | Dual camera 13 MP f/2.2 Wide 2 MP f/2.4 Macro |
Triple camera 64 MP f/1.8 Wide 8 MP f/2.2 Ultra Wide 2 MP f/2.4 Macro |
| Front | 5 MP f/2.2 Wide | 44 MP f/2.0 Wide |
| Storage | ||
| Memory | 2 GB 3 GB |
8 GB |
| Fixed | 32 GB 64 GB |
128 GB 256 GB |
| Removable | microSDXC | microSDXC |
| Processor | ||
| Chip | MediaTek Helio G35 Octa-core processor 12 nm |
MediaTek Dimensity 800U Octa-core processor 7 nm |
| CPU | 4x 2.30 GHz Cortex-A53 4x 1.80 GHz Cortex-A53 |
2x 2.40 GHz Cortex-A76 6x 2.00 GHz Cortex-A55 |
| GPU | PowerVR GE8320 | Mali-G57 MC3 |
| Battery | ||
| Capacity | 5,000 mAh | 4,000 mAh |
| Features | - | Fast charging 33W |
| Removable | ||
| Connectivity | ||
| 5G | ||
| NFC | ||
| 3.5 mm Audio Jack | ||
| Micro USB | ||
| USB Type-C | ||
| Lightning | ||