Compare phones
| Global Score | |
| 79.5 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-05-26 | 2020-03-23 |
| 6.37 x 2.97 x 0.35 inches | 6.26 x 2.96 x 0.35 inches |
| 6.70 ounces | 6.63 ounces |
| Aurora Green, Chrome Silver, Graphite Gray and Nighttime Blue | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 199.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| MediaTek Dimensity 700 chipset | Exynos 9611 chipset |
| Arm Cortex-A76 and Arm Cortex-A55, 64-bit, 7 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Arm Mali-G57 MC2 GPU | Mali-G72 MP3 GPU |
| 9.18 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 11.74 |
| Camera | |
| 48.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 has a general score of 84.1, which is a bit better than Xiaomi Redmi Note 10 5G's 79.5 score. Both phones in our current comparison include the same Android 11 operating system, so you shouldn't notice any difference regarding that. Galaxy M21's design has the same thickness than the Xiaomi Redmi Note 10 5G, but it is just a little bit lighter.
Galaxy M21 has just a bit better looking display than Xiaomi Redmi Note 10 5G, although it has a little lower screen pixel density, a bit worse 1080 x 2340 resolution and a bit smaller screen. The Samsung Galaxy M21 has a much better storage for applications and games than Xiaomi Redmi Note 10 5G, and although they both have the same internal storage capacity, the Samsung Galaxy M21 also has a slot for an external memory card that allows up to 512 GB.
Samsung Galaxy M21 counts with a little bit better performance than Xiaomi Redmi Note 10 5G. Both have 4 GB of RAM memory and a Octa-Core processor. Samsung Galaxy M21 features greater battery performance than Xiaomi Redmi Note 10 5G, because it has a 20 percent bigger battery capacity. Samsung Galaxy M21 captures better videos and photos than Xiaomi Redmi Note 10 5G, although it has a tinier camera aperture which is worse for low-light captures and video, they both have a same resolution camera in the back and a same size back-facing camera sensor.
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