Compare phones
| Global Score | |
| 77.7 | 79.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10, 9.0 Pie |
| 2020-06-19 | 2019-09-20 |
| 6.44 x 2.96 x 0.35 inches | 6.24 x 2.94 x 0.30 inches |
| 6.77 ounces | 5.86 ounces |
| Black, Blue, Red and White | Prism crush black, Prism crush green, Prism crush violet and Prism crush white |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 1560 x 720 pixels |
| TFT | Super AMOLED |
| 270 pixels per inch | 268 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 7.2 |
| Performance | |
| Samsung Exynos 850 chipset | Samsung Exynos 7 Octa 7885 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Mali-G71 MP2 GPU |
| 9.09 | 8.91 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 14.14 |
| Camera | |
| 48.00 MP + 13.00 MP | 25.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 9.68 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy A30s is slightly better than the Samsung Galaxy A21s, having a 79.8 score against 77.7. Both of these devices include Android OS (operating system), but Galaxy A30s has newer 11 version and Samsung Galaxy A21s has Android 10, so it gives you some extra features and some performance improvements. Galaxy A30s is an older phone than Samsung Galaxy A21s, but Samsung was able to make it thinner and somewhat lighter.
Samsung Galaxy A21s features a bit faster processing unit than Samsung Galaxy A30s, although it has a smaller amount of RAM, they both have a Octa-Core processing unit. Galaxy A30s has a screen that is just as good as Galaxy A21s's display, although the Galaxy A30s has a little lower 720 x 1560 resolution, a little smaller screen and a just a bit less pixels per display inch.
The Samsung Galaxy A21s captures better photographs and videos than Galaxy A30s, because although it has a smaller diafragm aperture, and they both have the same video frame rate and the same 1920x1080 (Full HD) video quality, the Samsung Galaxy A21s also counts with a way better resolution camera in the back.
The Galaxy A30s has much more memory capacity to store more games and applications than Galaxy A21s, and although they both have a SD card slot that supports a maximum of 512 GB, the Galaxy A30s also has 128 GB internal memory. Galaxy A21s has longer battery lifetime than Galaxy A30s, because it has 5000mAh of battery capacity.
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