Compare phones
| Global Score | |
| 72.4 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android | Android 11 |
| 2022-01-10 | 2021-01-29 |
| 6.46 x 2.99 x 0.36 inches | 5.97 x 2.80 x 0.31 inches |
| -- | 6.03 ounces |
| Black, Blue and Red | Gray, Phantom pink, Violet and White |
| Plastic and Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 270 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.2 |
| Performance | |
| -- | Qualcomm Snapdragon 888 chipset |
| 64-bit (Octa-Core 1600 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Yes GPU | Adreno 660 GPU |
| 8.73 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 5.8 | 10.1 |
| Camera | |
| 48.00 MP + 5.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | 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 |
| 9.24 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.4 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy S21 has a score of 91.8, which is way better than the Samsung Galaxy A03's overall score of 72.4. The Samsung Galaxy S21 has Android 11 OS, while Samsung Galaxy A03 counts with Android OS. Samsung Galaxy S21 features a much sharper display than Galaxy A03, because although it has a little smaller screen, it also counts with a lot better quantity of pixels per display inch and a way higher resolution of 1080 x 2400 pixels.
The Galaxy S21 has a quite superior performance than Galaxy A03, and although they both have 8 cores, the Galaxy S21 also has more RAM. The Samsung Galaxy S21 features much more memory capacity for applications and games than Galaxy A03, because it has 128 GB internal storage. The Galaxy A03 features improved battery lifetime than Samsung Galaxy S21, because it has 5000mAh of battery capacity.
The Galaxy S21 has a much better camera than Galaxy A03, although it has a camera in the back with a way worse resolution, they both have a same size diafragm aperture.
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