Compare phones
| Global Score | |
| 77.7 | 83 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10 |
| 2020-06-19 | 2021-01-18 |
| 6.44 x 2.96 x 0.35 inches | 6.37 x 3.04 x 0.36 inches |
| 6.77 ounces | 7.02 ounces |
| Black, Blue, Red and White | Daybreak purple and Nightfall black |
| -- | Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| TFT | IPS LCD |
| 270 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | MediaTek Dimensity 800U chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Mali-G57 MC3 GPU |
| 9.09 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 10.78 | 11.55 |
| 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, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 9T is slightly better than the Galaxy A21s, getting a score of 83 against 77.7. Even though Xiaomi Redmi Note 9T is better than Galaxy A21s, we must highlight that it's also a a little bit heavier and a little bit thicker device. Both devices we compare here use the same Android 10 OS (Operating System), so you shouldn't notice any difference in that aspect.
Xiaomi Redmi Note 9T features a sharper display than Samsung Galaxy A21s, and although they both have a display with the same size, the Xiaomi Redmi Note 9T also has a way higher 1080 x 2340 resolution and a better screen density. Xiaomi Redmi Note 9T counts with a greater storage capacity for applications and games than Galaxy A21s, and although they both have an external SD slot that admits up to 512 GB, the Xiaomi Redmi Note 9T also has 32 GB more internal memory capacity.
Xiaomi Redmi Note 9T counts with just a little better performance than Galaxy A21s, and although they both have a Octa-Core processing unit, the Xiaomi Redmi Note 9T also has a higher amount of RAM. Xiaomi Redmi Note 9T captures just a bit better pictures and videos than Galaxy A21s, and although they both have the same camera sensor size and a back camera with a 48 megapixels resolution, the Xiaomi Redmi Note 9T also has a much higher 3840x2160 video quality and a bigger camera aperture.
The Xiaomi Redmi Note 9T features a battery lifetime that is very similar to the battery life in Galaxy A21s.
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