Compare phones
| Global Score | |
| 81.2 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11 |
| 2017-10-10 | 2021-01-29 |
| 5.98 x 2.97 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 6.53 ounces | 8.04 ounces |
| Black | Phantom black and Silver |
| Aluminum and Ceramic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 614.00 | $ 966.00 |
| Display / Screen | |
| 6 inches | 6.8 inches |
| 2160 x 1080 pixels | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 402 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 540 GPU | Adreno 660 GPU |
| 9.45 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 12.00 MP + 5.00 MP | 108.00 MP + 40.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.34 inches (1/2.9") sensor | 0.75 inches (1/1.33") 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 |
| 9.57 | 13.75 |
| 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, Dual SIM | Nano SIM |
| 6.3 | 10.7 |
| Battery Life | |
| 3400mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.36 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 Ultra is way better than the Xiaomi Mi MIX 2, having a overall score of 98.1 against 81.2. Although the Galaxy S21 Ultra is newer than Xiaomi Mi MIX 2, it is somewhat thicker and somewhat heavier. Galaxy S21 Ultra features a little faster CPU than Xiaomi Mi MIX 2, and although they both have 8 processing cores, the Galaxy S21 Ultra also has 6 GB more RAM memory.
Galaxy S21 Ultra features an incredibly better looking screen than Xiaomi Mi MIX 2, because it has a greater display pixel density, a quite bigger display and a higher resolution of 1440 x 3200px. Xiaomi Mi MIX 2 features a much bigger memory for games and applications than Samsung Galaxy S21 Ultra, because it has 256 GB internal storage.
The Galaxy S21 Ultra counts with a way better battery lifetime than Xiaomi Mi MIX 2, because it has 5000mAh of battery capacity. Galaxy S21 Ultra has a greater camera than Xiaomi Mi MIX 2, because it has a bigger aperture to take better photos and video in poorly lited environments, a much bigger sensor, a lot better 7680x4320 video resolution and a much higher 108 MP resolution back facing camera.
The Galaxy S21 Ultra costs a lot more than the Xiaomi Mi MIX 2, but you can get a much better phone for that few more dollars.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.