| Realme C31 | Xiaomi Redmi Note 12 Pro Speed | |
| Specifications | ||
| Brand | Realme | Xiaomi |
| Model | - | - |
| Release Date | March 2022 | December 2022 |
| Operating System | Realme UI (Android 11) | MIUI (Android 13) |
| Dimensions | ||
| Size | 164.7 x 76.1 x 8.4 mm 6.48 x 3.00 x 0.33 in |
162.9 x 76.0 x 7.9 mm 6.41 x 2.99 x 0.31 in |
| Weight | 197 g 6.95 oz |
181 g 6.38 oz |
| Screen | ||
| Size | 6.5 inches | 6.67 inches |
| Resolution | 720 x 1,600 pixels | 1,080 x 2,400 pixels |
| PPI | 270 | 395 |
| Features | - | OLED, 120Hz |
| Cameras | ||
| Rear | Triple camera 13 MP f/2.2 Wide 2 MP f/2.4 Macro f/2.8 Depth |
Triple camera 108 MP f/1.9 Wide 8 MP f/2.2 Ultra Wide 2 MP f/2.4 Macro |
| Front | 5 MP f/2.2 Wide | 16 MP f/2.5 Wide |
| Storage | ||
| Memory | 3 GB 4 GB |
6 GB 8 GB 12 GB |
| Fixed | 32 GB 64 GB |
128 GB 256 GB |
| Removable | microSDXC | - |
| Processor | ||
| Chip | Unisoc T612 Octa-core processor 12 nm |
Qualcomm Snapdragon 778G 5G SM7325 Octa-core processor 6 nm |
| CPU | 2x 1.80 GHz Cortex-A75 6x 1.80 GHz Cortex-A55 |
1x 2.40 GHz Kryo 670 Prime 3x 2.20 GHz Kryo 670 Gold 4x 1.90 GHz Kryo 670 Silver |
| GPU | Mali-G57 MC2 | Adreno 642L |
| Battery | ||
| Capacity | 5,000 mAh | 5,000 mAh |
| Features | - | Fast charging 67W |
| Removable | ||
| Connectivity | ||
| 5G | ||
| NFC | ||
| 3.5 mm Audio Jack | ||
| Micro USB | ||
| USB Type-C | ||
| Lightning | ||