Compare phones
| Global Score | |
| 84.1 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 12 |
| 2020-03-23 | 2022-03-23 |
| 6.26 x 2.96 x 0.35 inches | 6.46 x 3.00 x 0.32 inches |
| 6.63 ounces | 7.23 ounces |
| Midnight blue and Raven black | Laser Black, Laser Blue and POCO Yellow |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | 1200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 696 SM6375 (6 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 619 GPU |
| 9.27 | 6.12 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 11.74 | 15.42 |
| Camera | |
| 48.00 MP + 20.00 MP | 108.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 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 | 10.34 |
| 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) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 has a score of 84.1, which is slightly better than the Xiaomi POCO X4 Pro 5G's 76.7 general score. These phones come with Android OS (operating system), but the Galaxy M21 has 11 version while Xiaomi POCO X4 Pro 5G has Android 12. The Galaxy M21 is an a lot older and just a little bit thicker cellphone than the Xiaomi POCO X4 Pro 5G, but Samsung managed to build it just a bit lighter anyway.
Xiaomi POCO X4 Pro 5G features a little bit better screen than Galaxy M21, because although it has a bit lower pixels quantity per display inch, it also counts with a quite larger screen, a lot brighter screen and a slightly better 1080 x 2400 pixels resolution. The Galaxy M21 counts with a really superior processing power than Xiaomi POCO X4 Pro 5G, although it has a lower amount of RAM, they both have 8 cpu cores.
The Samsung Galaxy M21 has a superior camera than Xiaomi POCO X4 Pro 5G, although it has a lot less mega pixels resolution back camera and a smaller camera aperture which is not good for shooting photos and videos in low-light environments. The Xiaomi POCO X4 Pro 5G counts with a much greater memory capacity for games and applications than Galaxy M21, because it has 128 GB internal storage and a SD memory slot that holds a maximum of 1 TB.
The Galaxy M21 features greater battery performance than Xiaomi POCO X4 Pro 5G, because it has 6000mAh of battery capacity.
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