Compare phones
| Global Score | |
| 84.1 | 79.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11 |
| 2020-03-23 | 2021-05-26 |
| 6.26 x 2.96 x 0.35 inches | 6.37 x 2.97 x 0.35 inches |
| 6.63 ounces | 6.70 ounces |
| Midnight blue and Raven black | Aurora Green, Chrome Silver, Graphite Gray and Nighttime Blue |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 199.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | MediaTek Dimensity 700 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A76 and Arm Cortex-A55, 64-bit, 7 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Arm Mali-G57 MC2 GPU |
| 9.27 | 9.18 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 7.7 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.80 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 | -- |
| 11.55 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M21 is just a bit better than the Xiaomi Redmi Note 10 5G, having an 84.1 score against 79.5. Galaxy M21's body has the same thickness than the Xiaomi Redmi Note 10 5G, but it's just a little lighter. Both phones in this comparison have the same Android 11 operating system. Galaxy M21 counts with a bit better display than Xiaomi Redmi Note 10 5G, although it has a little bit lower 1080 x 2340 resolution, a just a little inferior pixel quantity in each screen inch and a bit smaller display.
Galaxy M21 counts with a very superior storage capacity to store more games and applications than Xiaomi Redmi Note 10 5G, and although they both have the same 64 GB internal storage capacity, the Galaxy M21 also has an external SD slot that allows up to 512 GB. Galaxy M21 features a bit faster processor than Xiaomi Redmi Note 10 5G. Both of them have 8 CPU cores and a 4 GB RAM.
Galaxy M21 captures much clearer photos and videos than Xiaomi Redmi Note 10 5G, although it has a tinier diafragm aperture, they both have a 48 MP back facing camera and the same back-facing camera sensor size. Galaxy M21 features superior battery duration than Xiaomi Redmi Note 10 5G, because it has a 6000mAh battery capacity instead of 5000mAh.
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