Compare phones
| Global Score | |
| 91.8 | 79.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 11, 10 |
| 2021-01-29 | 2020-02-11 |
| 5.97 x 2.80 x 0.31 inches | 6.51 x 3.02 x 0.35 inches |
| 6.03 ounces | 7.34 ounces |
| Gray, Phantom pink, Violet and White | Atlantis blue, Matrix purple and Phoenix red |
| Aluminum and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | IPS LCD |
| 424 pixels per inch | 393 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 730G SM7150-AB chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 7.7 |
| Camera | |
| 12.00 MP + 10.00 MP | 64.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.78 | 12.1 |
| 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 | |
| 4000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 is much better than Xiaomi Poco X2, having a score of 91.8 against 79.3. Galaxy S21's construction is newer, lighter and thinner than the Xiaomi Poco X2. Both of these devices have the same Android 11 OS (Operating System), so you shouldn't see any difference regarding that. The Galaxy S21 counts with a more vivid screen than Xiaomi Poco X2, because although it has a bit smaller screen, and they both have the same resolution of 1080 x 2400 pixels, the Galaxy S21 also counts with a little higher pixels amount in each display inch.
Samsung Galaxy S21 counts with a much greater storage to store more games and applications than Xiaomi Poco X2, because it has 128 GB internal memory. The Samsung Galaxy S21 counts with a little bit better processing power than Xiaomi Poco X2, and although they both have 8 CPU cores, the Samsung Galaxy S21 also has 2 GB more RAM.
The Xiaomi Poco X2 has a bit better battery lifetime than Samsung Galaxy S21, because it has 4500mAh of battery capacity. Xiaomi Poco X2 shoots much better videos and photos than Galaxy S21, because although it has a tinier camera aperture which is not recommended for low-light captures, and they both have the same 3840x2160 (4K) video resolution, the Xiaomi Poco X2 also counts with a larger back-facing camera sensor taking more light and vivid colors, a way higher resolution back facing camera and higher video frame rate.
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