Compare phones
| Global Score | |
| 87.5 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 10 |
| 2022-06-23 | 2020-06-29 |
| 6.43 x 2.99 x 0.30 inches | 6.61 x 3.02 x 0.32 inches |
| 6.88 ounces | 6.81 ounces |
| Moonlight Silver, Nebula Green and Night Black | Black |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 393 pixels per inch | 270 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset | Mediatek Helio P35 chipset |
| Kryo 585, 64-bit (Octa-Core 3200 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 650 GPU | PowerVR GE8320 GPU |
| 9.81 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 64.00 MP + 20.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 11.88 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| 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 global score of 87.5, which is much better than Galaxy A21's score of 76.1. Xiaomi Poco F4's design is newer and a little thinner than the Galaxy A21's, but it is also just a bit heavier. Both of these phones have Android OS (Operating System), but the Xiaomi Poco F4 has the newer 12 version while Galaxy A21 has Android 10, so it provides you a couple nice extra features and optimized performance.
The Xiaomi Poco F4 features a bit better CPU than Galaxy A21, and although they both have 8 CPU cores, the Xiaomi Poco F4 also has a larger amount of RAM memory. Xiaomi Poco F4 features a much sharper display than Galaxy A21, because it has a bit larger display, a greater pixels density and a much better resolution of 1080 x 2400.
The Xiaomi Poco F4 features slightly more storage capacity to install applications and games than Samsung Galaxy A21, because although it has no external memory card slot, it also counts with 128 GB internal storage. Xiaomi Poco F4 features a bit better battery performance than Samsung Galaxy A21, because it has a 4500mAh battery capacity.
Xiaomi Poco F4 features a greater camera than Galaxy A21, and although they both have the same diafragm aperture, the Xiaomi Poco F4 also has a lot higher resolution camera, a much bigger sensor providing a way better image quality and a lot better 3840x2160 video quality.
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