Compare phones
| Global Score | |
| 78.2 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2020-11-27 | 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 |
| Cool blue, Power black and Yellow | Midnight blue and Raven black |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 149.00 | -- |
| 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 is slightly better than Xiaomi Poco M3, getting a score of 84.1 against 78.2. Both of these phones come with Android OS (Operating System), but the Galaxy M21 has 11 version and Xiaomi Poco M3 has Android 10 version, giving you a couple nice extra features and better performance. Galaxy M21 is a a little thinner and a little lighter cellphone than the Xiaomi Poco M3, although both of them were released with only 8 months difference.
The Samsung Galaxy M21 counts with a bit sharper display than Xiaomi Poco M3, because although it has a little smaller display, and they both have the same resolution of 1080 x 2340, the Samsung Galaxy M21 also counts with a little bit more pixels per screen inch. The Galaxy M21 has just a bit better hardware performance than Xiaomi Poco M3. Both of them have 4 GB of RAM and the same number of cores.
The Galaxy M21 and Xiaomi Poco M3 feature incredibly similar storage capacity for games and applications, they have the same 64 GB internal storage capacity and a SD card slot that admits a maximum of 512 GB. The Galaxy M21's battery lifetime is just as good as Xiaomi Poco M3's battery performance.
Samsung Galaxy M21 shoots slightly better photos and videos than Xiaomi Poco M3, because although it has a tinier aperture, and they both have a 48 mega-pixels camera in the back and the same camera sensor size, the Samsung Galaxy M21 also counts with a much higher (4K) video resolution.
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