Compare phones
| Global Score | |
| 78.2 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2021-01-18 | 2020-06-19 |
| 6.39 x 3.04 x 0.38 inches | 6.44 x 2.96 x 0.35 inches |
| 6.98 ounces | 6.77 ounces |
| Carbon gray, Ocean green, Sunrise orange and Twilight blue | Black, Blue, Red and White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 396 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 662 SM6115 chipset | Samsung Exynos 850 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 610 GPU | Mali-G76 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 9.84 |
| Camera | |
| 48.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 10.78 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Redmi 9T is just a bit better than Galaxy A21s, with a 78.2 score against 77.7. Despite being the best phone we compare here, Xiaomi Redmi 9T is an a little thicker and just a little heavier phone than the Galaxy A21s. These phones work with the same Android 10 operating system. The Galaxy A21s's CPU is very similar to the processor in Xiaomi Redmi 9T, and although the Galaxy A21s has a lower amount of RAM, they both have 8 CPU cores.
The Xiaomi Redmi 9T features a better looking display than Galaxy A21s, and although they both have a display with the same size, the Xiaomi Redmi 9T also has a greater amount of pixels per inch in the display and a much better 1080 x 2340 resolution. The Xiaomi Redmi 9T has a greater storage capacity to install applications and games or saving photos and videos than Samsung Galaxy A21s, and although they both have a SD card slot that admits a maximum of 512 GB, the Xiaomi Redmi 9T also has more internal memory capacity.
The Xiaomi Redmi 9T has superior battery duration than Galaxy A21s, because it has 6000mAh of battery capacity against 5000mAh. The Galaxy A21s counts with a camera that's just as good as the Xiaomi Redmi 9T one, and although the Galaxy A21s has a smaller diafragm aperture which is not nice for capturing images and video in low-light situations, they both have the same video frame rates, a 0.5 inches back-facing camera sensor, a 48 MP resolution camera and the same (Full HD) video resolution.
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