Compare phones
| Global Score | |
| 79.8 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-09-20 | 2021-01-29 |
| 6.24 x 2.94 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| 5.86 ounces | 6.03 ounces |
| Prism crush black, Prism crush green, Prism crush violet and Prism crush white | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 1560 x 720 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 268 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.2 |
| Performance | |
| Samsung Exynos 7 Octa 7885 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G71 MP2 GPU | Adreno 660 GPU |
| 8.91 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 25.00 MP + 16.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.68 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S21 has a global score of 91.8, which is much better than the Galaxy A30s's 79.8 overall score. Both of these phones have the same Android 11 operating system. The Galaxy S21 design is newer, but just a little heavier and a little bit thicker than the Galaxy A30s. The Samsung Galaxy S21 has a much sharper display than Samsung Galaxy A30s, because although it has a quite smaller screen, it also counts with a way better 1080 x 2400px resolution and a way better screen pixel density.
Galaxy S21 counts with a bit better processor than Galaxy A30s, and although they both have a Octa-Core CPU, the Galaxy S21 also has a larger amount of RAM memory. Samsung Galaxy S21 captures much clearer pictures and videos than Galaxy A30s, because although it has a smaller aperture which is not recommended for capturing photos and/or video in poorly lited situations and a lot worse resolution back camera, it also counts with a way better 7680x4320 video quality.
Galaxy A30s has a much greater memory to store more apps and games than Galaxy S21, and although they both have exactly the same internal storage capacity, the Galaxy A30s also has an external SD slot that allows up to 512 GB. Galaxy S21's battery life is very similar to Galaxy A30s's battery life.
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