Compare phones
| Global Score | |
| 79.3 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-02-11 | 2020-03-23 |
| 6.51 x 3.02 x 0.35 inches | 6.26 x 2.96 x 0.35 inches |
| 7.34 ounces | 6.63 ounces |
| Atlantis blue, Matrix purple and Phoenix red | Midnight blue and Raven black |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 730G SM7150-AB chipset | Exynos 9611 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G72 MP3 GPU |
| 9.27 | 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 | |
| 64.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.1 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M21 is just a bit better than the Xiaomi Poco X2, getting an 84.1 score against 79.3. These devices include the same Android 11 OS. The Galaxy M21 design has the same thickness than the Xiaomi Poco X2, but it's a little lighter. The Galaxy M21 features a CPU that is very similar to the processor in Xiaomi Poco X2, and although the Galaxy M21 has a smaller amount of RAM memory, they both have 8 processing cores.
Galaxy M21 has a bit better display than Xiaomi Poco X2, because although it has a little bit smaller screen and a little bit worse 1080 x 2340px resolution, it also counts with a bit higher pixel amount per screen inch. Galaxy M21 features much more memory to install applications and games than Xiaomi Poco X2, and although they both have exactly the same 64 GB internal memory, the Galaxy M21 also has a slot for SD memory cards that allows up to 512 GB.
The Xiaomi Poco X2 counts with a bit better camera than Samsung Galaxy M21, and although they both have the same 3840x2160 video resolution and the same 30 fps video frame rate, the Xiaomi Poco X2 also has a bigger aperture to take better low light captures and video, a larger back-facing camera sensor providing a higher image quality and a camera with a much better 64 mega pixels resolution.
Samsung Galaxy M21 has greater battery performance than Xiaomi Poco X2, because it has 6000mAh of battery capacity.
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