Compare phones
| Global Score | |
| 79.6 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2019-03-02 | 2020-06-19 |
| 6.24 x 2.94 x 0.30 inches | 6.44 x 2.96 x 0.35 inches |
| 5.82 ounces | 6.77 ounces |
| Black, Blue and White | Black, Blue, Red and White |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 403 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G71 MP2 GPU | Mali-G76 GPU |
| 8.91 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 9.84 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.46 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A30 has a global score of 79.6, which is a bit better than Galaxy A21s's general score of 77.7. Despite of the fact that Galaxy A30 is older than Galaxy A21s, it's construction is thinner and somewhat lighter. The Galaxy A30 has a better screen than Samsung Galaxy A21s, because although it has a quite smaller display, it also counts with a lot higher 1080 x 2340 resolution and a higher screen density.
The Galaxy A21s features a bit superior processing unit than Galaxy A30, although it has a smaller amount of RAM memory, they both have the same number of cores. Galaxy A30 has a greater storage capacity to install applications and games than Galaxy A21s, and although they both have an external SD slot that holds up to 512 GB, the Galaxy A30 also has 64 GB internal storage capacity.
The Galaxy A21s counts with longer battery performance than Samsung Galaxy A30, because it has a 25 percent larger battery size. The Samsung Galaxy A21s captures much better photos and videos than Galaxy A30, because although it has a tinier aperture, and they both have the same 1920x1080 (Full HD) video resolution and the same 30 fps video frame rate, the Samsung Galaxy A21s also counts with a way larger camera sensor which gives a lot better image and video quality and a much more megapixels back camera.
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