Compare phones
| Global Score | |
| 77.7 | 87.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 12 |
| 2020-06-19 | 2022-06-23 |
| 6.44 x 2.96 x 0.35 inches | 6.43 x 2.99 x 0.30 inches |
| 6.77 ounces | 6.88 ounces |
| Black, Blue, Red and White | Moonlight Silver, Nebula Green and Night Black |
| -- | Glass (Corning Gorilla Glass 5) and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 585, 64-bit (Octa-Core 3200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Adreno 650 GPU |
| 9.09 | 9.81 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 20.00 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 |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.78 | 11.88 |
| 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 |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Poco F4 has a general score of 87.5, which is much better than the Galaxy A21s's overall score of 77.7. Both of these phones work with Android OS (Operating System), but the Xiaomi Poco F4 has a more recent 12 version while Galaxy A21s has Android 10 version. The Xiaomi Poco F4 construction is way newer and somewhat thinner, but just a little heavier than Galaxy A21s.
Xiaomi Poco F4 features an incredibly better screen than Galaxy A21s, because it has a quite bigger screen, a lot better 1080 x 2400px resolution and a greater pixels amount in each inch in the screen. The Xiaomi Poco F4 has a bit superior processing unit than Samsung Galaxy A21s, and although they both have the same number of cores, the Xiaomi Poco F4 also has a larger amount of RAM memory.
The Xiaomi Poco F4 captures better pictures and videos than Samsung Galaxy A21s, and although they both have a same size sensor, the Xiaomi Poco F4 also has a bigger aperture for better low-light images and video, a much more mega pixels camera in the back and a lot higher (4K) video definition. The Xiaomi Poco F4 has just a bit more memory capacity to install games and applications than Galaxy A21s, because although it has no slot for an SD memory card, it also counts with 128 GB internal storage capacity.
Galaxy A21s features a little better battery life than Xiaomi Poco F4, because it has an 11 percent greater battery capacity.
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