Compare phones
| Global Score | |
| 94.8 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 13, 12, 11, 10 | Android 10 |
| 2020-03-06 | 2020-06-19 |
| 5.97 x 2.72 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 5.78 ounces | 6.77 ounces |
| Cloud blue, Cloud pink, Cosmic grey and Cosmic white | Black, Blue, Red and White |
| Aluminum and Glass (Corning Gorilla Glass 6) | -- |
| Scratch-Resistant Glass | -- |
| $ 1000.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 3200 x 1440 pixels | 1600 x 720 pixels |
| Dynamic AMOLED | TFT |
| 566 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 (7 nm) chipset | Samsung Exynos 850 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 650 GPU | Mali-G76 GPU |
| 9.72 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 9.84 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") 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 | 10.78 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S20 is much better than the Galaxy A21s, having a 94.8 score against 77.7. Even though Samsung Galaxy S20 and Galaxy A21s were only released with a couple of months difference, Samsung Galaxy S20 is somewhat lighter and somewhat thinner. Both of these devices use Android OS (Operating System), but the Samsung Galaxy S20 has the newer 13 version while Galaxy A21s has Android 10.
The Galaxy S20 features just a bit better performance than Samsung Galaxy A21s, and although they both have the same number of cores, the Galaxy S20 also has a larger amount of RAM. Samsung Galaxy S20 counts with a much sharper display than Galaxy A21s, because although it has a little bit smaller screen, it also counts with a way higher display pixels density and a lot higher resolution of 1440 x 3200 pixels.
Samsung Galaxy S20 features a much greater memory for games and applications than Galaxy A21s, because it has more internal storage and a SD extension slot that holds up to 1000 GB. Galaxy S20 and Samsung Galaxy A21s feature incredibly similar cameras, because although the Samsung Galaxy A21s has a smaller camera sensor capturing worse quality images and videos and a tinier aperture which is not nice for capturing photos and video in low light environments, and they both have the same (Full HD) video quality, it also counts with better video frame rates and a much more MP camera in the back.
The Samsung Galaxy A21s has improved battery life than Galaxy S20, because it has a 5000mAh battery capacity.
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