Compare phones
| Global Score | |
| 78.2 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 10 |
| 2021-04-28 | 2020-06-19 |
| 6.32 x 2.93 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 6.31 ounces | 6.77 ounces |
| Lake Green, Onyx Gray and Pebble White | Black, Blue, Red and White |
| Scratch-Resistant Glass | -- |
| $ 229.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 411 pixels per inch | 270 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 7.2 |
| Performance | |
| MediaTek Helio G95 chipset | Samsung Exynos 850 chipset |
| Arm Cortex-A55 and Arm Cortex-A76, 64-bit, 12 nm (Octa-Core 2050 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Arm Mali-G76 MC4 GPU | Mali-G76 GPU |
| 9.18 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 9.84 |
| Camera | |
| 64.00 MP + 13.00 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 |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.68 | 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 | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Xiaomi Redmi Note 10S is a little bit better than the Galaxy A21s, with a 78.2 score against 77.7. The Xiaomi Redmi Note 10S design is newer, just a little lighter and just a bit thinner than Galaxy A21s. Both devices in this review come with Android operating system, but the Xiaomi Redmi Note 10S has 11 version and Galaxy A21s has Android 10.
The Xiaomi Redmi Note 10S counts with just a little better hardware performance than Samsung Galaxy A21s, and although they both have the same number of cores, the Xiaomi Redmi Note 10S also has a greater amount of RAM memory. Xiaomi Redmi Note 10S counts with a much better looking display than Samsung Galaxy A21s, because although it has a little smaller screen, it also counts with much more pixels per inch of screen and a lot better resolution of 1080 x 2400 pixels.
Samsung Galaxy A21s features a much better camera than Xiaomi Redmi Note 10S, although it has a tinier aperture and a camera with much less mega pixels. The Samsung Galaxy A21s counts with a superior memory to store more games and applications than Xiaomi Redmi Note 10S, because although it has just 32 GB internal storage, it also counts with a slot for an external memory card that admits up to 512 GB.
Samsung Galaxy A21s and Xiaomi Redmi Note 10S both have similar battery durations.
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