Compare phones
| Global Score | |
| 78.2 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 10 |
| 2021-04-28 | 2020-06-29 |
| 6.32 x 2.93 x 0.33 inches | 6.61 x 3.02 x 0.32 inches |
| 6.31 ounces | 6.81 ounces |
| Lake Green, Onyx Gray and Pebble White | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 229.00 | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 411 pixels per inch | 270 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 7.3 |
| Performance | |
| MediaTek Helio G95 chipset | Mediatek Helio P35 chipset |
| Arm Cortex-A55 and Arm Cortex-A76, 64-bit, 12 nm (Octa-Core 2050 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Arm Mali-G76 MC4 GPU | PowerVR GE8320 GPU |
| 9.18 | 9.27 |
| 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 | 16.00 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 |
| 9.68 | 9.35 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Redmi Note 10S has an overall score of 78.2, which is a little bit better than the Galaxy A21's general score of 76.1. Both of these phones have Android operating system, but the Xiaomi Redmi Note 10S has a more recent 11 version while Galaxy A21 has Android 10 version, offering some additional features and enhanced performance. Xiaomi Redmi Note 10S's construction is newer and just a little bit lighter than the Galaxy A21's, although it's also a little bit thicker.
Galaxy A21 counts with a bit superior processor than Xiaomi Redmi Note 10S, although it has a smaller amount of RAM memory, they both have 8 processing cores. Xiaomi Redmi Note 10S has a much more vibrant screen than Galaxy A21, because although it has a bit smaller display, it also counts with a way better 1080 x 2400 pixels resolution and a way better number of pixels per inch of display.
The Xiaomi Redmi Note 10S takes just a bit better videos and photos than Galaxy A21, and although they both have a same size aperture, the Xiaomi Redmi Note 10S also has a lot more mega pixels camera. The Galaxy A21 has a lot bigger memory capacity to install games and applications than Xiaomi Redmi Note 10S, because although it has only 32 GB internal memory capacity, it also counts with a SD card slot that holds up to 512 GB.
The Xiaomi Redmi Note 10S has improved battery life than Samsung Galaxy A21, because it has a 5000mAh battery size against 4000mAh.
Although Xiaomi Redmi Note 10S is a better device, it costs more than the Galaxy A21, and it doesn't have such a good quality/price relation as Galaxy A21. If you are trying to save a few dollars, you can buy the Galaxy A21, and give up some specs and features, but you'll get the most with your savings.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.