Samsung Galaxy S21
| Type | Touch |
| Waterproofness & dust-resistance | IP68 |
| Dimensions | - |
| Display size | 6.20" |
| Display | Color / Dynamic AMOLED 16M colors 120 Hz 1080 x 2400 px (6.20") 424 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
|
| Additional display | |
| Protection of the secondary display | |
| Standard battery | Li-Ion 4000 mAhBuy powerbank
|
| Quick battery charging | Fast Charging |
| Wireless battery charging | Qi |
| Internal memory | 128 GB, 256 GB |
| RAM memory | 8 GB |
| Memory cards | |
| Operating system | Android 11 |
| Interface | One UI 3.1 |
| Processor | Samsung Exynos 2100 |
| GPU | - |
| Touchscreen | |
| DualSIM | |
| SIM cards standard | SingleSIM(nanoSIM) |
| Announced | 1Q 2021 |
| Other names | SM-G991B |
| GSM frequencies | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 |
| Standard 5G | FDD 5G: 1900, 1700, 850, 600 TDD 5G: 2500 |
| CDMA | |
| Standard TD-SCDMA | |
| UMA |
