Compare phones
| Global Score | |
| 91.8 | 79.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-01-29 | 2019-09-20 |
| 5.97 x 2.80 x 0.31 inches | 6.24 x 2.94 x 0.30 inches |
| 6.03 ounces | 5.86 ounces |
| Gray, Phantom pink, Violet and White | Prism crush black, Prism crush green, Prism crush violet and Prism crush white |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.4 inches |
| 2400 x 1080 pixels | 1560 x 720 pixels |
| Dynamic AMOLED | Super AMOLED |
| 424 pixels per inch | 268 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Samsung Exynos 7 Octa 7885 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G71 MP2 GPU |
| 9.63 | 8.91 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 10.00 MP | 25.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.57 inches (1/1.76") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.78 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S21 has a general score of 91.8, which is much better than the Galaxy A30s's 79.8 score. Samsung Galaxy S21's body is newer than Galaxy A30s's, although it's a little bit heavier and just a little thicker. These devices use the same Android 11 OS. The Galaxy S21 counts with just a bit better processing power than Samsung Galaxy A30s, and although they both have 8 CPU cores, the Galaxy S21 also has a greater amount of RAM.
Samsung Galaxy S21 has a way better looking display than Galaxy A30s, because although it has a little bit smaller screen, it also counts with a much better resolution of 1080 x 2400px and a lot greater pixel density. Samsung Galaxy A30s counts with a way bigger memory to install applications and games or saving photos and videos than Galaxy S21, and although they both have the same 128 GB internal memory, the Samsung Galaxy A30s also has a slot for an external memory card that admits up to 512 GB.
The Galaxy A30s counts with a battery life that's very similar to the battery life in Samsung Galaxy S21. Galaxy S21 takes better videos and photos than Samsung Galaxy A30s, because although it has a back-facing camera with way less megapixels resolution and a smaller aperture which is not so good for low-light images, it also counts with a way better 7680x4320 video definition.
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