Compare phones
| Global Score | |
| 79.6 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11 |
| 2019-03-02 | 2021-01-29 |
| 6.24 x 2.94 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| 5.82 ounces | 6.03 ounces |
| Black, Blue and White | Gray, Phantom pink, Violet and White |
| Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.2 |
| Performance | |
| Samsung Exynos 7 Octa 7904 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 | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 16.00 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 |
| 0.36 inches (1/2.8") sensor | 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 |
| 9.46 | 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, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Ion 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, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 has a general score of 91.8, which is much better than the Galaxy A30's score of 79.6. Although the Galaxy S21 is newer than Galaxy A30, it's a little bit thicker and just a bit heavier. The Galaxy S21 has a much better screen than Galaxy A30, because although it has a bit smaller screen, it also counts with a just a little better pixel number in each inch in the screen and a slightly better 1080 x 2400 resolution.
Samsung Galaxy S21 features a bit better processor than Samsung Galaxy A30, and although they both have the same number of cores, the Samsung Galaxy S21 also has a larger amount of RAM memory. The Samsung Galaxy S21 shoots better photographs and videos than Samsung Galaxy A30, because although it has a tinier diafragm aperture which is not nice for low light photography and a way worse 12 megapixels resolution camera, it also counts with a lot bigger back camera sensor capturing much better quality pictures and a way better 7680x4320 video resolution.
Galaxy A30 counts with a greater storage for apps and games than Galaxy S21, because although it has 0 less internal storage, it also counts with a SD extension slot that allows a maximum of 512 GB. The Samsung Galaxy S21's battery duration is very similar to the battery duration in Galaxy A30.
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