| Samsung Galaxy S21 5G | Samsung Galaxy S21+ 5G | Samsung Galaxy S21 Ultra 5G | |
| Specifications | |||
| Brand | Samsung | Samsung | Samsung |
| Model | - | - | - |
| Release Date | January 2021 | January 2021 | January 2021 |
| Operating System | One UI (Android 11) | One UI (Android 11) | One UI (Android 11) |
| Dimensions | |||
| Size | 151.7 x 71.2 x 7.9 mm 5.97 x 2.80 x 0.31 in |
161.5 x 75.6 x 7.8 mm 6.36 x 2.98 x 0.31 in |
165.1 x 75.6 x 8.9 mm 6.50 x 2.98 x 0.35 in |
| Weight | 169 g 5.96 oz |
200 g 7.05 oz |
227 g 8.01 oz |
| Screen | |||
| Size | 6.2 inches | 6.7 inches | 6.8 inches |
| Resolution | 1,080 x 2,400 pixels | 1,080 x 2,400 pixels | 1,440 x 3,200 pixels |
| PPI | 421 | 394 | 515 |
| Features | OLED, 120Hz | OLED, 120Hz | OLED, 120Hz |
| Cameras | |||
| Rear | Triple camera 12 MP f/1.8 Wide 12 MP f/2.2 Ultra Wide 64 MP f/2.0 Telephoto |
Triple camera 12 MP f/1.8 Wide 12 MP f/2.2 Ultra Wide 64 MP f/2.0 Telephoto |
Quad camera 108 MP f/1.8 Wide 12 MP f/2.2 Ultra Wide 10 MP f/2.4 Telephoto 10 MP f/4.9 Periscope Telephoto |
| Front | 10 MP f/2.2 Wide | 10 MP f/2.2 Wide | 40 MP f/2.2 Wide |
| Storage | |||
| Memory | 8 GB | 8 GB | 12 GB 16 GB |
| Fixed | 128 GB 256 GB |
128 GB 256 GB |
128 GB 256 GB 512 GB |
| Removable | - | - | - |
| Processor | |||
| Chip | Samsung Exynos 2100 Octa-core processor 5 nm |
Samsung Exynos 2100 Octa-core processor 5 nm |
Samsung Exynos 2100 Octa-core processor 5 nm |
| CPU | 1x 2.90 GHz Cortex-X1 3x 2.80 GHz Cortex-A78 4x 2.20 GHz Cortex-A55 |
1x 2.90 GHz Cortex-X1 3x 2.80 GHz Cortex-A78 4x 2.20 GHz Cortex-A55 |
1x 2.90 GHz Cortex-X1 3x 2.80 GHz Cortex-A78 4x 2.20 GHz Cortex-A55 |
| GPU | Mali-G78 MP14 | Mali-G78 MP14 | Mali-G78 MP14 |
| Battery | |||
| Capacity | 4,000 mAh | 4,800 mAh | 5,000 mAh |
| Features | Fast charging 25W | Fast charging 25W | Fast charging 25W |
| Removable | |||
| Connectivity | |||
| 5G | |||
| NFC | |||
| 3.5 mm Audio Jack | |||
| Micro USB | |||
| USB Type-C | |||
| Lightning | |||
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Samsung Galaxy S21 5G |
Samsung Galaxy S21+ 5G |
Samsung Galaxy S21 Ultra 5G |
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6.2" |
6.7" |
6.8" |