Compare phones
| Global Score | |
| 74.9 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo | Android 11 |
| 2018-07-19 | 2021-01-29 |
| 6.94 x 3.44 x 0.31 inches | 5.97 x 2.80 x 0.31 inches |
| 7.80 ounces | 6.03 ounces |
| 16 777 216 | Gray, Phantom pink, Violet and White |
| Aluminum | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.9 inches | 6.2 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 350 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.7 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 509 GPU | Adreno 660 GPU |
| 8.91 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.68 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.3 | 10.7 |
| Battery Life | |
| 5500mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.2 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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 | FM Radio |
Comparison review
The Samsung Galaxy S21 is way better than the Xiaomi Mi Max 3, with a 91.8 score against 74.9. These phones include Android operating system, but the Samsung Galaxy S21 has the previous 11 version while Xiaomi Mi Max 3 has Android 8.1 Oreo version. The Samsung Galaxy S21 body has the same thickness than the Xiaomi Mi Max 3, but it's notably lighter.
The Samsung Galaxy S21 counts with a bit better processor than Xiaomi Mi Max 3, and although they both have a Octa-Core processing unit, the Samsung Galaxy S21 also has a greater amount of RAM. Galaxy S21 has a sharper display than Xiaomi Mi Max 3, because although it has a bit smaller screen, it also counts with a quite greater pixels density and a bit higher 1080 x 2400 resolution.
The Galaxy S21 features a superior camera than Xiaomi Mi Max 3, and although they both have a back camera with a 12 megapixels resolution, the Galaxy S21 also has a way higher 7680x4320 video definition, a larger camera aperture and a way bigger camera sensor taking more light and vivid colors. Xiaomi Mi Max 3 features slightly more storage to store more games and applications than Galaxy S21, because although it has just 64 GB internal storage capacity, it also counts with a SD memory card expansion slot that supports up to 256 GB.
Xiaomi Mi Max 3 counts with a much better battery performance than Samsung Galaxy S21, because it has a 5500mAh battery size.
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