Compare phones
| Global Score | |
| 78.3 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-04-20 | 2020-03-23 |
| 6.32 x 2.93 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 6.31 ounces | 6.63 ounces |
| Lake Green, Onyx Gray and Pebble White | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 199.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 411 pixels per inch | 403 pixels per inch |
| 1100 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 678 chipset | Exynos 9611 chipset |
| Kryo 460, 64-bit, 11 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 |
| Adreno 612 GPU | Mali-G72 MP3 GPU |
| 9.18 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 11.74 |
| Camera | |
| 48.00 MP + 13.00 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 |
| 9.9 | 11.55 |
| 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 | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M21 has an overall score of 84.1, which is just a bit better than the Xiaomi Redmi Note 10's overall score of 78.3. Samsung Galaxy M21 is an older, a little thicker and a little heavier cellphone than Xiaomi Redmi Note 10. Both of these phones have the same Android 11 operating system.
Galaxy M21 features a bit faster processing unit than Xiaomi Redmi Note 10. Both of them have 8 cores and 4 GB of RAM. The Xiaomi Redmi Note 10 features a bit better looking display than Galaxy M21, and although they both have a same size screen, the Xiaomi Redmi Note 10 also has a lot brighter screen, a bit greater pixels density and a bit higher 1080 x 2400 resolution.
Samsung Galaxy M21 takes better photographs and videos than Xiaomi Redmi Note 10, although it has a tinier aperture which is not recommended for capturing photographs and video in low-light situations, they both have a 0.5 inches camera sensor and a same resolution back-facing camera. Galaxy M21 has as much storage capacity for apps and games as Xiaomi Redmi Note 10, they have equal 64 GB internal memory capacity and a slot for SD memory cards that allows a maximum of 512 GB.
Samsung Galaxy M21 counts with greater battery lifetime than Xiaomi Redmi Note 10, because it has a 20 percent greater battery capacity.
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