Compare phones
| Global Score | |
| 77.7 | 81.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10 |
| 2020-06-19 | 2020-09-08 |
| 6.44 x 2.96 x 0.35 inches | 6.51 x 3.02 x 0.37 inches |
| 6.77 ounces | 7.58 ounces |
| Black, Blue, Red and White | Cobalt blue and Shadow gray |
| -- | Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | IPS LCD |
| 270 pixels per inch | 393 pixels per inch |
| -- | 450 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 732G SM7150-AC chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Adreno 618 GPU |
| 9.09 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.84 | 10.78 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.78 | 12.1 |
| 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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5160mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Poco X3 NFC has a score of 81.6, which is slightly better than the Galaxy A21s's 77.7 global score. Both phones we are comparing include the same Android 10 OS (operating system). The Xiaomi Poco X3 NFC is a heavier and a little bit thicker phone than the Galaxy A21s. Xiaomi Poco X3 NFC features a better looking display than Samsung Galaxy A21s, because it has a bit larger screen, a greater pixels count per inch of screen and a much better resolution of 1080 x 2400 pixels.
The Xiaomi Poco X3 NFC has a little faster CPU than Samsung Galaxy A21s, and although they both have the same number of cores, the Xiaomi Poco X3 NFC also has 3 GB more RAM. The Xiaomi Poco X3 NFC counts with a much better camera than Samsung Galaxy A21s, because it has a lot higher video quality, a bigger back camera sensor which provides a higher photo and video quality, a lot better resolution camera and a bigger camera aperture to capture better low light captures.
Xiaomi Poco X3 NFC features a bit more memory capacity to store more games and applications than Samsung Galaxy A21s, because although it has an external SD slot that supports 256 GB smaller, it also counts with 64 GB internal storage capacity. Xiaomi Poco X3 NFC features a little longer battery performance than Samsung Galaxy A21s, because it has 5160mAh of battery capacity against 5000mAh.
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