Compare phones
| Global Score | |
| 94.8 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 13, 12, 11, 10 | Android 10 |
| 2020-03-06 | 2020-06-29 |
| 5.97 x 2.72 x 0.31 inches | 6.61 x 3.02 x 0.32 inches |
| 5.78 ounces | 6.81 ounces |
| Cloud blue, Cloud pink, Cosmic grey and Cosmic white | Black |
| Aluminum and Glass (Corning Gorilla Glass 6) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 1000.00 | $ 194.00 |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 3200 x 1440 pixels | 1600 x 720 pixels |
| Dynamic AMOLED | IPS LCD |
| 566 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 (7 nm) chipset | Mediatek Helio P35 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 650 GPU | PowerVR GE8320 GPU |
| 9.72 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer 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 | 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
Samsung Galaxy S20 is much better than Galaxy A21, having a score of 94.8 against 76.1. Both of these devices work with Android OS (operating system), but the Samsung Galaxy S20 has the newer 13 version while Galaxy A21 has Android 10 version, offering some nice extra features and performance enhancements. Samsung Galaxy S20's design is lighter and just a bit thinner than Galaxy A21, even though both were released only 4 months apart.
Galaxy S20 counts with a lot better screen than Samsung Galaxy A21, because although it has a little smaller display, it also counts with way more pixels per inch in the display and a way better resolution of 1440 x 3200px. Galaxy S20 counts with a superior memory capacity to store more games and applications than Galaxy A21, because it has more internal storage and a slot for SD memory cards that supports up to 1000 GB.
Galaxy S20 features just a little better hardware performance than Samsung Galaxy A21, and although they both have 8 processing cores, the Galaxy S20 also has a higher amount of RAM memory. Samsung Galaxy A21 has a battery performance that is just as good as Galaxy S20's battery life. Galaxy S20 features a better camera than Samsung Galaxy A21, because although it has a way lower 12 MP resolution back facing camera, and they both have a F1.8 camera aperture, the Galaxy S20 also counts with a much bigger sensor shooting lot higher quality photographs and a lot better 7680x4320 video resolution.
Although Galaxy S20 is a better device, it is way more expensive than Samsung Galaxy A21, and it doesn't have such a good price and quality relation as Samsung Galaxy A21. So if you need that extra specs and features, you can buy Galaxy S20, otherwise you can save some dollars and buy the Samsung Galaxy A21, resigning a couple features and specs.
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