Compare phones
| Global Score | |
| 76.1 | 87.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 12 |
| 2020-06-29 | 2022-06-23 |
| 6.61 x 3.02 x 0.32 inches | 6.43 x 2.99 x 0.30 inches |
| 6.81 ounces | 6.88 ounces |
| Black | Moonlight Silver, Nebula Green and Night Black |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.1 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit (Octa-Core 3200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 650 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 64.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Poco F4 has a general score of 87.5, which is better than Galaxy A21's 76.1 global score. Xiaomi Poco F4's body is newer and just a little thinner than the Galaxy A21's, but it is just a little bit heavier. Both of these devices work with Android OS (Operating System), but the Xiaomi Poco F4 has a newer 12 version and Galaxy A21 has Android 10 version.
Xiaomi Poco F4 counts with a lot better looking screen than Galaxy A21, because it has a little bit larger screen, a greater quantity of pixels per inch in the screen and a much higher resolution of 1080 x 2400. Xiaomi Poco F4 features just a bit better processing power than Galaxy A21, and although they both have the same number of cores, the Xiaomi Poco F4 also has 3 GB more RAM memory.
Xiaomi Poco F4 features slightly more storage to store more games and applications than Galaxy A21, because although it has no slot for an external memory card, it also counts with more internal storage. Xiaomi Poco F4 shoots much clearer videos and photos than Galaxy A21, and although they both have a F1.8 aperture, the Xiaomi Poco F4 also has a lot bigger camera sensor which provides a much higher photo and video quality, a much better 3840x2160 video resolution and a lot more mega-pixels back facing camera.
The Xiaomi Poco F4 features a little longer battery lifetime than Galaxy A21, because it has a 4500mAh battery size.
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