Compare phones
| Global Score | |
| 82.2 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-06-17 | 2020-06-19 |
| 6.17 x 2.93 x 0.35 inches | 6.44 x 2.96 x 0.35 inches |
| 6.74 ounces | 6.77 ounces |
| Carbon Black, Flame Red and Glacier Blue | Black, Blue, Red and White |
| Metal and Metal | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 403 pixels per inch | 270 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Samsung Exynos 850 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 618 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | -- |
| 11.66 | 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 | |
| 4000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Mi 9T is a bit better than Galaxy A21s, getting a global score of 82.2 against 77.7. The Xiaomi Mi 9T body has the same thickness than the Galaxy A21s, but it's just a little lighter. Both phones in this comparison review come with the same Android 10 OS, so you shouldn't perceive any difference regarding OS features.
The Xiaomi Mi 9T has a little bit better performance than Galaxy A21s, and although they both have 8 cpu cores, the Xiaomi Mi 9T also has 3 GB more RAM memory. The Xiaomi Mi 9T features a sharper display than Galaxy A21s, because although it has a bit smaller screen, it also counts with a better number of pixels per inch of display and a lot better 1080 x 2340px resolution.
The Xiaomi Mi 9T takes slightly better pictures and videos than Galaxy A21s, and although they both have a 48 mega-pixels back camera and a 0.5 inches camera sensor, the Xiaomi Mi 9T also has a larger aperture and a much higher video quality. Xiaomi Mi 9T features a bit bigger memory capacity to install games and applications than Galaxy A21s, because although it has no slot for external memory cards, it also counts with 128 GB internal memory capacity.
Galaxy A21s counts with improved battery duration than Xiaomi Mi 9T, because it has a 5000mAh battery capacity.
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