Compare phones
| Global Score | |
| 76.1 | 78.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-06-29 | 2021-04-28 |
| 6.61 x 3.02 x 0.32 inches | 6.32 x 2.93 x 0.33 inches |
| 6.81 ounces | 6.31 ounces |
| Black | Lake Green, Onyx Gray and Pebble White |
| Plastic and Plastic | -- |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 229.00 |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 411 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9 |
| Performance | |
| Mediatek Helio P35 chipset | MediaTek Helio G95 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A55 and Arm Cortex-A76, 64-bit, 12 nm (Octa-Core 2050 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Arm Mali-G76 MC4 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 64.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 9.35 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Redmi Note 10S is just a bit better than the Galaxy A21, with a general score of 78.2 against 76.1. Although the Xiaomi Redmi Note 10S is just a bit thicker than Galaxy A21, it's a little bit lighter and newer. These phones include Android OS (Operating System), but the Xiaomi Redmi Note 10S has newer 11 version and Galaxy A21 has Android 10, providing the user a couple additional features and optimized performance.
The Xiaomi Redmi Note 10S has a way better display than Galaxy A21, because although it has a bit smaller screen, it also counts with a lot higher resolution of 1080 x 2400px and a much higher screen density. Galaxy A21 features a way bigger memory capacity for games and applications than Xiaomi Redmi Note 10S, because although it has just 32 GB internal storage, it also counts with a SD extension slot that allows a maximum of 512 GB.
Samsung Galaxy A21 features just a bit better processing power than Xiaomi Redmi Note 10S, although it has a lower amount of RAM memory, they both have a Octa-Core CPU. Xiaomi Redmi Note 10S has improved battery performance than Samsung Galaxy A21, because it has 5000mAh of battery capacity instead of 4000mAh.
The Xiaomi Redmi Note 10S features a little bit better camera than Galaxy A21, and although they both have a F1.8 aperture, the Xiaomi Redmi Note 10S also has a back facing camera with a way higher resolution.
Although Xiaomi Redmi Note 10S is a better device, it costs more than Samsung Galaxy A21, and it doesn't have such a good relation between it's price and quality as Samsung Galaxy A21. So if you need that extra specs and features, you can buy Xiaomi Redmi Note 10S, otherwise you can save a couple dollars and buy the Samsung Galaxy A21, giving up a couple specifications.
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