Compare phones
| Global Score | |
| 75.6 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie | Android 11 |
| 2019-09-26 | 2021-01-29 |
| 6.34 x 2.97 x 0.34 inches | 5.97 x 2.80 x 0.31 inches |
| 7.05 ounces | 6.03 ounces |
| Moonlight white, Neptune blue and Space black | Gray, Phantom pink, Violet and White |
| Glass (Corning Gorilla Glass 5) and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.3 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 409 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 665 SM6125 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Adreno 610 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.44 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| 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 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 has a score of 91.8, which is much better than Xiaomi Redmi Note 8T's score of 75.6. Galaxy S21's construction is newer, lighter and just a little thinner than Xiaomi Redmi Note 8T. Both of these devices work with Android OS (Operating System), but the Galaxy S21 has the previous 11 version and Xiaomi Redmi Note 8T has Android 9.0 Pie.
The Galaxy S21 counts with a brighter display than Xiaomi Redmi Note 8T, because although it has a little smaller screen, it also counts with a slightly better resolution of 1080 x 2400 pixels and a bit greater count of pixels per screen inch. The Galaxy S21 has a little better processing power than Xiaomi Redmi Note 8T, and although they both have 8 processing cores, the Galaxy S21 also has a greater amount of RAM memory.
Xiaomi Redmi Note 8T captures slightly better photos and videos than Samsung Galaxy S21, because although it has a smaller back-facing camera sensor, and they both have the same (4K) video definition and a F1.8 aperture, the Xiaomi Redmi Note 8T also counts with a back-facing camera with much more MP and faster 30 fps video frame rates.
The Samsung Galaxy S21 has more memory capacity to install games and applications than Xiaomi Redmi Note 8T, because although it has no slot for SD memory cards, it also counts with more internal storage capacity. The Galaxy S21 counts with a battery lifetime that is just as good as Xiaomi Redmi Note 8T's battery lifetime.
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