Compare phones
| Global Score | |
| 78.2 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11 |
| 2020-11-27 | 2021-01-29 |
| 6.39 x 3.04 x 0.38 inches | 5.97 x 2.80 x 0.31 inches |
| 6.98 ounces | 6.03 ounces |
| Cool blue, Power black and Yellow | Gray, Phantom pink, Violet and White |
| Plastic and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 149.00 | $ 722.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 396 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 662 SM6115 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 610 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 8.00 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 |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 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, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 is better than the Xiaomi Poco M3, with a 91.8 score against 78.2. Both devices in this comparison have Android OS (operating system), but the Galaxy S21 has 11 version and Xiaomi Poco M3 has Android 10 version, so it gives you a couple additional features. The Galaxy S21 design is somewhat lighter and somewhat thinner than Xiaomi Poco M3, although both of them were released only a couple of months apart.
Samsung Galaxy S21 has a sharper screen than Xiaomi Poco M3, because although it has a bit smaller display, it also counts with a bit higher pixel count in each display inch and a slightly higher resolution of 1080 x 2400. Xiaomi Poco M3 features more storage for applications and games than Galaxy S21, because although it has only 64 GB internal storage capacity, it also counts with an external SD slot that admits up to 512 GB.
Samsung Galaxy S21 counts with just a bit better performance than Xiaomi Poco M3, and although they both have a Octa-Core processing unit, the Samsung Galaxy S21 also has more RAM. The Galaxy S21 counts with a camera that's just as good as Xiaomi Poco M3's camera, because although the Galaxy S21 has a back camera with lot less megapixels, and they both have a same size aperture, it also counts with a larger sensor capturing higher quality videos and photos and a lot better video definition.
The Xiaomi Poco M3 counts with a much better battery performance than Samsung Galaxy S21, because it has a 6000mAh battery size.
Although Samsung Galaxy S21 is a better device, it costs a lot more money than the Xiaomi Poco M3, and it doesn't have such a good price and quality relation as the Xiaomi Poco M3. If you prefer to save a few dollars, you can get the Xiaomi Poco M3, giving up a few features and specs, but you'll get the most with your savings.
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