Compare phones
| Global Score | |
| 77.7 | 78.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-06-19 | 2021-04-28 |
| 6.44 x 2.96 x 0.35 inches | 6.32 x 2.93 x 0.33 inches |
| 6.77 ounces | 6.31 ounces |
| Black, Blue, Red and White | Lake Green, Onyx Gray and Pebble White |
| -- | Scratch-Resistant Glass |
| -- | $ 229.00 |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 411 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9 |
| Performance | |
| Samsung Exynos 850 chipset | MediaTek Helio G95 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Arm Cortex-A55 and Arm Cortex-A76, 64-bit, 12 nm (Octa-Core 2050 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Arm Mali-G76 MC4 GPU |
| 9.09 | 9.18 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 7.7 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 10.78 | 9.68 |
| 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 Li - Polymer Battery | 5000mAh 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, Gyroscope and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 10S is slightly better than Galaxy A21s, getting a general score of 78.2 against 77.7. Both phones we compare here work with Android OS (operating system), but the Xiaomi Redmi Note 10S has a newer 11 version while Galaxy A21s has Android 10, so it gives you some nice extra features. The Xiaomi Redmi Note 10S is a newer device, and it's also a bit lighter and just a little bit thinner than the Galaxy A21s.
The Xiaomi Redmi Note 10S features a bit faster CPU than Galaxy A21s, and although they both have 8 CPU cores, the Xiaomi Redmi Note 10S also has more RAM. The Xiaomi Redmi Note 10S features a way better looking screen than Samsung Galaxy A21s, because although it has a bit smaller display, it also counts with a way higher 1080 x 2400 pixels resolution and a way higher pixels count per inch in the screen.
The Galaxy A21s counts with a way bigger memory to install games and applications than Xiaomi Redmi Note 10S, because although it has less internal storage, it also counts with a SD memory card expansion slot that supports up to 512 GB. The Galaxy A21s and the Xiaomi Redmi Note 10S feature quite similar batteries.
The Galaxy A21s has a superior camera than Xiaomi Redmi Note 10S, although it has a tinier camera aperture which is not good for shooting pictures and video in poorly lited environments and a lot less megapixels camera in the back.
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