Compare phones
| Global Score | |
| 91.8 | 78.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10 |
| 2021-01-29 | 2020-11-27 |
| 5.97 x 2.80 x 0.31 inches | 6.39 x 3.04 x 0.38 inches |
| 6.03 ounces | 6.98 ounces |
| Gray, Phantom pink, Violet and White | Cool blue, Power black and Yellow |
| Aluminum and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | $ 149.00 |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | IPS LCD |
| 424 pixels per inch | 396 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 662 SM6115 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 610 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 8.00 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 | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (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, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 7.52 |
| 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, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 is much better than Xiaomi Poco M3, with a score of 91.8 against 78.2. These phones include Android OS (Operating System), but Galaxy S21 has 11 version while Xiaomi Poco M3 has Android 10. Galaxy S21's design is thinner and somewhat lighter than the Xiaomi Poco M3, even when both of them were released with only 2 months difference.
The Samsung Galaxy S21 has a bit superior CPU than Xiaomi Poco M3, and although they both have a Octa-Core processing unit, the Samsung Galaxy S21 also has more RAM. Galaxy S21 counts with a brighter screen than Xiaomi Poco M3, because although it has a bit smaller display, it also counts with a little higher resolution of 1080 x 2400 pixels and a little more pixels per inch of screen.
The Xiaomi Poco M3 has a greater memory capacity to install applications and games or saving photos and videos than Galaxy S21, because although it has 0 less internal memory, it also counts with a slot for an external memory card that holds up to 512 GB. Xiaomi Poco M3 counts with a way better battery lifetime than Galaxy S21, because it has 6000mAh of battery capacity instead of 4000mAh.
The Xiaomi Poco M3 has a camera that's very similar to Samsung Galaxy S21's camera, because although the Xiaomi Poco M3 has a tinier sensor taking worse quality videos and photos, and they both have the same aperture and the same 1920x1080 video resolution, it also counts with faster 30 fps video frame rate and a lot higher resolution back facing camera.
Although Samsung Galaxy S21 is a better device, it is a lot more expensive than the Xiaomi Poco M3, and it doesn't have such a good price and quality relation as Xiaomi Poco M3. If you are trying to save some dollars, you can buy the Xiaomi Poco M3, and give up a few features and specs, but you'll get the most with your savings.
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