Compare phones
| Global Score | |
| 83.4 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-03-20 | 2021-01-29 |
| 6.51 x 3.02 x 0.37 inches | 5.97 x 2.80 x 0.31 inches |
| 7.58 ounces | 6.03 ounces |
| Frost blue, Metal bronze and Phantom black | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 393 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 860 SM8150-AC chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 640 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 15.42 | 10.1 |
| Camera | |
| 48.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.78 | 10.78 |
| 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 | |
| 5160mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.88 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S21 has an overall score of 91.8, which is much better than the Xiaomi Poco X3 Pro's score of 83.4. Both phones in this review use the same Android 11 operating system, so both of them should give you very similar OS features. The Samsung Galaxy S21 is a somewhat thinner and notably lighter phone than Xiaomi Poco X3 Pro, although both of them were released with only a few months difference.
Galaxy S21 has a better display than Xiaomi Poco X3 Pro, because although it has a quite smaller display, and they both have the same exact 1080 x 2400 pixels resolution, the Galaxy S21 also counts with a little bit better screen pixel density. The Xiaomi Poco X3 Pro counts with a way bigger storage capacity to store more apps and games than Galaxy S21, and although they both have exactly the same 128 GB internal storage, the Xiaomi Poco X3 Pro also has a slot for an SD memory card that supports a maximum of 1 TB.
Samsung Galaxy S21 and Xiaomi Poco X3 Pro count with very similar processing units, and although the Samsung Galaxy S21 has more RAM memory, they both have a Octa-Core processor. Samsung Galaxy S21 and Xiaomi Poco X3 Pro have similar cameras, because although the Samsung Galaxy S21 has a back camera with a much lower 12 MP resolution, and they both have a same size camera aperture, it also counts with a larger back camera sensor which offers a higher image and video quality and a lot higher 7680x4320 video resolution.
Xiaomi Poco X3 Pro features better battery life than Samsung Galaxy S21, because it has a 5160mAh battery capacity against 4000mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.