| Samsung Galaxy M12 | Samsung Galaxy A21s | |
| Specifications | ||
| Brand | Samsung | Samsung |
| Model | - | - |
| Release Date | April 2021 | June 2020 |
| Operating System | One UI (Android 11) | One UI (Android 10) |
| Dimensions | ||
| Size | 164.0 x 75.9 x 9.7 mm 6.46 x 2.99 x 0.38 in |
163.7 x 75.3 x 8.9 mm 6.44 x 2.96 x 0.35 in |
| Weight | 212 g 7.48 oz |
192 g 6.77 oz |
| Screen | ||
| Size | 6.5 inches | 6.5 inches |
| Resolution | 720 x 1,600 pixels | 720 x 1,600 pixels |
| PPI | 270 | 270 |
| Features | 90Hz | - |
| Cameras | ||
| Rear | Quad camera 48 MP f/2.0 Wide 5 MP f/2.2 Ultra Wide 2 MP f/2.4 Macro 2 MP f/2.4 Depth |
Quad camera 48 MP f/2.0 Wide 8 MP f/2.2 Ultra Wide 2 MP f/2.4 Macro 2 MP f/2.4 Depth |
| Front | 8 MP f/2.2 Wide | 13 MP f/2.2 Wide |
| Storage | ||
| Memory | 4 GB | 2 GB 3 GB 4 GB 6 GB |
| Fixed | 64 GB | 32 GB 64 GB 128 GB |
| Removable | microSDXC | microSDXC |
| Processor | ||
| Chip | Samsung Exynos 850 Octa-core processor 8 nm |
Samsung Exynos 850 Octa-core processor 8 nm |
| CPU | 4x 2.00 GHz Cortex-A55 4x 2.00 GHz Cortex-A55 |
4x 2.00 GHz Cortex-A55 4x 2.00 GHz Cortex-A55 |
| GPU | Mali-G52 MP1 | Mali-G52 MP1 |
| Battery | ||
| Capacity | 5,000 mAh | 5,000 mAh |
| Features | Fast charging 15W | Fast charging 15W |
| Removable | ||
| Connectivity | ||
| 5G | ||
| NFC | ||
| 3.5 mm Audio Jack | ||
| Micro USB | ||
| USB Type-C | ||
| Lightning | ||