Compare phones
| Global Score | |
| 75.1 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 11 |
| -- | 2021-01-29 |
| -- | 5.97 x 2.80 x 0.31 inches |
| -- | 6.03 ounces |
| -- | Gray, Phantom pink, Violet and White |
| Glass and Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 405 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.5 | 9.2 |
| Performance | |
| Exynos 1480 (5 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Yes GPU | Adreno 660 GPU |
| 6.12 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 15.42 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 12.00 MP + 10.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.47 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5000mAh Nano SIM, eSIM Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S21 has a general score of 91.8, which is much better than the Galaxy A55 5G's general score of 75.1. These phones use Android OS (Operating System), but Galaxy S21 has an older 11 version and Galaxy A55 5G has Android 14 version. Samsung Galaxy S21 counts with a way better display than Galaxy A55 5G, because although it has a little bit smaller screen, and they both have the same exact 1080 x 2400 pixels resolution, the Samsung Galaxy S21 also counts with a quite higher pixels quantity per screen inch.
Galaxy S21 has a really superior performance than Galaxy A55 5G, and although they both have a Octa-Core processing unit, the Galaxy S21 also has a higher amount of RAM. Galaxy A55 5G features a lot bigger memory capacity for apps and games than Galaxy S21, and although they both have equal internal memory, the Galaxy A55 5G also has a SD card slot that allows up to 1 TB.
The Galaxy S21 takes much better photos and videos than Galaxy A55 5G, although it has a much less MP back facing camera. The Samsung Galaxy A55 5G features better battery duration than Galaxy S21, because it has a 5000mAh battery capacity against 4000mAh.
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