Compare phones
| Global Score | |
| 91.8 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | -- |
| 2021-01-29 | 2019-03-02 |
| 5.97 x 2.80 x 0.31 inches | 6.24 x 2.94 x 0.30 inches |
| 6.03 ounces | 5.82 ounces |
| Gray, Phantom pink, Violet and White | Black, Blue and White |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 424 pixels per inch | 403 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Samsung Exynos 7 Octa 7904 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 | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 10.00 MP | 16.00 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 | 0.36 inches (1/2.8") 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 | 9.46 |
| 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, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Ion 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, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 is better than the Galaxy A30, getting a 91.8 score against 79.6. Even though Galaxy S21 is newer than Galaxy A30, it's a little thicker and just a little heavier. The Samsung Galaxy S21 features a bit better hardware performance than Samsung Galaxy A30, and although they both have the same number of cores, the Samsung Galaxy S21 also has a higher amount of RAM memory.
Galaxy S21 counts with a much better screen than Galaxy A30, because although it has a quite smaller screen, it also counts with a just a little more pixels per inch in the screen and a little bit higher 1080 x 2400 resolution. The Samsung Galaxy A30 features a bigger memory to install applications and games or saving photos and videos than Galaxy S21, because although it has less internal storage capacity, it also counts with a slot for an external memory card that allows a maximum of 512 GB.
The Galaxy S21 shoots better photos and videos than Galaxy A30, because although it has a smaller camera aperture and a camera in the back with lot less mega-pixels resolution, it also counts with a lot bigger sensor and a lot better video definition. Samsung Galaxy A30's battery life is just as good as the Galaxy S21 one.
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