Compare phones
| Global Score | |
| 91.8 | 83 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10 |
| 2021-01-29 | 2021-01-18 |
| 5.97 x 2.80 x 0.31 inches | 6.37 x 3.04 x 0.36 inches |
| 6.03 ounces | 7.02 ounces |
| Gray, Phantom pink, Violet and White | Daybreak purple and Nightfall black |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | IPS LCD |
| 424 pixels per inch | 396 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | MediaTek Dimensity 800U chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G57 MC3 GPU |
| 9.63 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 10.78 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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 | -- |
Comparison review
The Samsung Galaxy S21 has an overall score of 91.8, which is better than Xiaomi Redmi Note 9T's general score of 83. Both phones we compare here work with Android OS (Operating System), but Samsung Galaxy S21 has 11 version and Xiaomi Redmi Note 9T has Android 10, providing you lots of additional features. The Samsung Galaxy S21 is a lighter and somewhat thinner device than the Xiaomi Redmi Note 9T, although both of them were released only 0 months apart.
The Galaxy S21 features a better display than Xiaomi Redmi Note 9T, because although it has a quite smaller display, it also counts with a slightly better 1080 x 2400 pixels resolution and a just a little better quantity of pixels per inch in the screen. Xiaomi Redmi Note 9T has a bigger storage capacity to store more apps and games than Galaxy S21, because although it has only 64 GB internal memory capacity, it also counts with a SD memory card expansion slot that admits up to 512 GB.
Samsung Galaxy S21 has a little faster processing unit than Xiaomi Redmi Note 9T, and although they both have 8 cores, the Samsung Galaxy S21 also has a higher amount of RAM memory. The Xiaomi Redmi Note 9T shoots clearer photographs and videos than Galaxy S21, because although it has a smaller sensor taking lower quality pictures and videos, and they both have a F1.8 diafragm aperture and the same video definition, the Xiaomi Redmi Note 9T also counts with better video frame rates and a back-facing camera with way more MP.
Xiaomi Redmi Note 9T has greater battery duration than Samsung Galaxy S21, because it has a 25 percent greater battery size.
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