Compare phones
| Global Score | |
| 75.6 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie | Android 10 |
| 2019-09-26 | 2020-06-29 |
| 6.34 x 2.97 x 0.34 inches | 6.61 x 3.02 x 0.32 inches |
| 7.05 ounces | 6.81 ounces |
| Moonlight white, Neptune blue and Space black | Black |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 409 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 665 SM6125 chipset | Mediatek Helio P35 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 610 GPU | PowerVR GE8320 GPU |
| 9.09 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 9.84 |
| Camera | |
| 48.00 MP + 13.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.44 | 9.35 |
| 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 | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A21 has a score of 76.1, which is a bit better than the Xiaomi Redmi Note 8T's overall score of 75.6. The Galaxy A21 design is newer, a little lighter and just a bit thinner than Xiaomi Redmi Note 8T. These phones include Android OS (operating system), but the Galaxy A21 has 10 version while Xiaomi Redmi Note 8T has Android 9.0 Pie.
Samsung Galaxy A21 has a little bit better processing power than Xiaomi Redmi Note 8T. They have the same number of cores and 3 GB of RAM memory. The Xiaomi Redmi Note 8T has a brighter display than Galaxy A21, because although it has a little smaller display, it also counts with a way better screen density and a way better resolution of 1080 x 2340 pixels.
The Galaxy A21 has more storage capacity for apps and games than Xiaomi Redmi Note 8T, and although they both have the same 32 GB internal memory capacity, the Galaxy A21 also has an external memory card slot that admits up to 512 GB. The Galaxy A21 and Xiaomi Redmi Note 8T feature similar battery performance.
Xiaomi Redmi Note 8T features a lot better camera than Galaxy A21, and although they both have a same size diafragm aperture, the Xiaomi Redmi Note 8T also has a camera in the back with a much higher 48 megapixels resolution, a much higher video resolution and a much larger camera sensor shooting lot better quality videos and pictures.
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