Compare phones
| Global Score | |
| 91.8 | 83.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-03-20 |
| 5.97 x 2.80 x 0.31 inches | 6.51 x 3.02 x 0.37 inches |
| 6.03 ounces | 7.58 ounces |
| Gray, Phantom pink, Violet and White | Frost blue, Metal bronze and Phantom black |
| Aluminum 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 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 860 SM8150-AC chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 640 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1 TB) external memory slot |
| 10.1 | 15.42 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") 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 | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 10.78 | 10.78 |
| 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 | 5160mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 | -- |
Comparison review
Galaxy S21 is much better than the Xiaomi Poco X3 Pro, with a 91.8 score against 83.4. These phones come with the same Android 11 OS, so both of them should give you very similar operating system features. The Galaxy S21 construction is thinner and extremely lighter than Xiaomi Poco X3 Pro, even though both were released with only 2 months difference.
Xiaomi Poco X3 Pro and Samsung Galaxy S21 have incredibly similar processing units, and although the Xiaomi Poco X3 Pro has a smaller amount of RAM, they both have 8 CPU cores. Galaxy S21 features a more vivid screen than Xiaomi Poco X3 Pro, because although it has a little bit smaller screen, and they both have the same exact 1080 x 2400 resolution, the Galaxy S21 also counts with a little greater pixels density.
The Xiaomi Poco X3 Pro's camera is very similar to the Galaxy S21 one, because although the Xiaomi Poco X3 Pro has a smaller back camera sensor offering a lower image quality, and they both have the same video quality and the same diafragm aperture, it also counts with a camera with a lot better 48 mega-pixels resolution and better 30 fps video frame rate.
The Xiaomi Poco X3 Pro features much more storage for apps and games than Galaxy S21, and although they both have exactly the same internal storage capacity, the Xiaomi Poco X3 Pro also has a SD card slot that holds up to 1 TB. Xiaomi Poco X3 Pro features longer battery duration than Galaxy S21, because it has a 5160mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.