Compare phones
| Global Score | |
| 71.6 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 4.4.2, 4.2.1 | Android 11 |
| 0000-00-00 | 2021-01-29 |
| 5.67 x 2.90 x 0.32 inches | 6.50 x 2.98 x 0.35 inches |
| 5.11 ounces | 8.04 ounces |
| Black | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| $ 300.00 | $ 966.00 |
| Display / Screen | |
| 5 inches | 6.8 inches |
| 1080 x 1920 pixels (Full HD) | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 441 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 800 8974-AB chipset | Qualcomm Snapdragon 888 chipset |
| Krait 400 (Quad-Core 2360 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 2 GB (933 MHz) RAM | 12 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 10.1 |
| Camera | |
| 13.00 MP + 2.00 MP | 108.00 MP + 40.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") 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 |
| 8.91 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM |
| 4.6 | 10.7 |
| Battery Life | |
| 3050mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.04 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy S21 Ultra is way better than Xiaomi Mi-3, with a 98.1 score against 71.6. The Samsung Galaxy S21 Ultra design is notably heavier and just a bit thicker than Xiaomi Mi-3. Both devices we compare here work with Android OS (operating system), but Samsung Galaxy S21 Ultra has older 11 version and Xiaomi Mi-3 has Android 4.4.2.
The Samsung Galaxy S21 Ultra has just a bit better processing power than Xiaomi Mi-3, because although it has doesn't have a graphics processing unit, it also counts with 10 GB more RAM memory and a larger number of cores. The Samsung Galaxy S21 Ultra counts with just a bit better screen than Xiaomi Mi-3, because it has a little better display density, a really bigger display and a much higher resolution of 1440 x 3200px.
The Galaxy S21 Ultra has a way better camera than Xiaomi Mi-3, because it has a lot higher video definition, a lot more mega pixels camera and a bigger diafragm aperture for better photography in low light environments. Galaxy S21 Ultra features a much better storage to store more apps and games than Xiaomi Mi-3, because it has 128 GB internal memory.
The Samsung Galaxy S21 Ultra features a much better battery lifetime than Xiaomi Mi-3, because it has a 5000mAh battery capacity instead of 3050mAh.
Galaxy S21 Ultra costs a lot more than the Xiaomi Mi-3, but you can get a much better phone for that few extra dollars.
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