Compare phones
| Global Score | |
| 81.6 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2020-09-08 | 2020-06-29 |
| 6.51 x 3.02 x 0.37 inches | 6.61 x 3.02 x 0.32 inches |
| 7.58 ounces | 6.81 ounces |
| Cobalt blue and Shadow gray | Black |
| 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 |
| IPS LCD | IPS LCD |
| 393 pixels per inch | 270 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 732G SM7150-AC chipset | Mediatek Helio P35 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 618 GPU | PowerVR GE8320 GPU |
| 9.36 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 9.84 |
| Camera | |
| 64.00 MP + 20.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 0.59 inches (1/1.7") 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 (960 fps) (HD) slow motion video | -- |
| 12.1 | 9.35 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 5160mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.88 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Xiaomi Poco X3 NFC has a general score of 81.6, which is a little bit better than Galaxy A21's 76.1 overall score. The Xiaomi Poco X3 NFC is a thicker and somewhat heavier cellphone than Galaxy A21. These devices come with the same Android 10 OS, so both should provide identical OS features. Xiaomi Poco X3 NFC has a better screen than Samsung Galaxy A21, because it has a way higher 1080 x 2400 resolution, more pixels per screen inch and a little bit larger display.
Xiaomi Poco X3 NFC counts with just a bit better performance than Samsung Galaxy A21, and although they both have the same number of cores, the Xiaomi Poco X3 NFC also has a larger amount of RAM memory. Xiaomi Poco X3 NFC has a little bit better storage for games and applications than Galaxy A21, because although it has a slot for SD memory cards that allows up to 256 GB against 512 GB, it also counts with 32 GB more internal storage.
The Xiaomi Poco X3 NFC has greater battery life than Galaxy A21, because it has a 5160mAh battery capacity. The Xiaomi Poco X3 NFC features a very superior camera than Samsung Galaxy A21, because although it has a tinier aperture, it also counts with a lot higher resolution back camera, a way larger camera sensor which gives a lot better photo and video quality and a lot higher 3840x2160 (4K) video resolution.
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