Samsung Galaxy S21 FE 5G vs Samsung Galaxy S21+
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | IP68 |
| Dimensions | 155.70 x 74.50 x 7.90 mm | 161.50 x 75.60 x 7.80 mm |
| Weight | 177.00 g | 200.00 g |
| Display size | 6.40" | 6.70" |
| Display | Color / Dynamic AMOLED 16M colors 120 Hz 1080 x 2400 px (6.40") 411 ppi | Color / Dynamic AMOLED 16M colors 120 Hz 1080 x 2400 px (6.70") 393 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
|
| Additional display | ||
| Protection of the secondary display | ||
| Standard battery | Li-Ion 4500 mAhBuy powerbank
| Li-Ion 4800 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 2.0 | Fast Charging |
| Wireless battery charging | WPC | Qi |
| Internal memory | 128 GB, 256 GB | 128 GB, 256 GB |
| End-user memory | 101.1 GB | |
| RAM memory | 6 GB, 8 GB | 8 GB, 12 GB |
| Memory cards | up to 1000 GB | |
| Operating system | Android 12 | Android 11 |
| Interface | One UI 4 | One UI 3.1 |
| Processor | Samsung Exynos 2100 | Samsung Exynos 2100 |
| Processor clock | 2900 MHz | 2900 MHz |
| GPU | - | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | SingleSIM(nanoSIM) | SingleSIM(nanoSIM) |
| Announced | 1Q 2022 | 1Q 2021 |
| Other names | SM-G990B; SM-G990E; SM-G990N; SM-G990U; SM-G990U1; SM-G990W | SM-G996 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 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 |

