Compare phones
| Global Score | |
| 78.2 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2021-01-18 | 2020-03-23 |
| 6.39 x 3.04 x 0.38 inches | 6.26 x 2.96 x 0.35 inches |
| 6.98 ounces | 6.63 ounces |
| Carbon gray, Ocean green, Sunrise orange and Twilight blue | Midnight blue and Raven black |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 396 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 662 SM6115 chipset | Exynos 9611 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 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 610 GPU | Mali-G72 MP3 GPU |
| 9.09 | 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 + 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 |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 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 | |
| 6000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M21 has a score of 84.1, which is slightly better than the Xiaomi Redmi 9T's 78.2 global score. The Galaxy M21 is an older phone than the Xiaomi Redmi 9T, but Samsung made it a little bit lighter and just a little bit thinner anyway. Both phones in our current comparison have Android operating system, but the Galaxy M21 has a newer 11 version and Xiaomi Redmi 9T has Android 10, providing lots of additional features.
Galaxy M21 has a bit better looking display than Xiaomi Redmi 9T, because although it has a quite smaller screen, and they both have an equal 1080 x 2340 resolution, the Galaxy M21 also counts with a bit more pixels per screen inch. The Xiaomi Redmi 9T and the Galaxy M21 have really similar memory capacity to store more games and applications, they have the same 64 GB internal storage capacity and a SD memory slot that supports up to 512 GB.
The Galaxy M21 has a little faster CPU than Xiaomi Redmi 9T. Both have the same number of cores and the same RAM amount. Galaxy M21 has a battery performance that's very similar to Xiaomi Redmi 9T's battery lifetime. The Galaxy M21 counts with a slightly better camera than Xiaomi Redmi 9T, because although it has a smaller aperture, and they both have a 48 MP camera and a 0.5 inches sensor, the Galaxy M21 also counts with a much better video definition.
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