Compare phones
| Global Score | |
| 11.67 | 9.68 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | -- |
| 2021-01-29 | 2017-10-10 |
| 6.50 x 2.98 x 0.35 inches | 5.98 x 2.97 x 0.30 inches |
| 8.04 ounces | 6.53 ounces |
| Phantom black and Silver | Black |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 614.00 |
| Display / Screen | |
| 6.8 inches | 6 inches |
| 3200 x 1440 pixels | 2160 x 1080 pixels |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 402 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 540 GPU |
| 9.72 | 9.45 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 108.00 MP + 40.00 MP | 12.00 MP + 5.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.34 inches (1/2.9") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 13.75 | 9.57 |
| 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 and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3400mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 4.32 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| 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 much better than the Xiaomi Mi MIX 2, having a 11.67 score against 9.68. Even though the Galaxy S21 Ultra is incredibly newer than Xiaomi Mi MIX 2, it is somewhat thicker and somewhat heavier. The Galaxy S21 Ultra counts with a way better looking display than Xiaomi Mi MIX 2, because it has a higher amount of pixels per inch in the display, a better resolution of 1440 x 3200 and a quite larger display.
The Samsung Galaxy S21 Ultra counts with a bit better processor than Xiaomi Mi MIX 2, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has more RAM memory. The Xiaomi Mi MIX 2 features a much bigger memory capacity to store more games and applications than Galaxy S21 Ultra, because it has more internal storage capacity.
Galaxy S21 Ultra features better battery lifetime than Xiaomi Mi MIX 2, because it has 5000mAh of battery capacity. The Galaxy S21 Ultra shoots much clearer photographs and videos than Xiaomi Mi MIX 2, because it has a bigger diafragm aperture to take better captures and videos in low-light environments, a way more megapixels camera in the back, a much bigger camera sensor taking way higher quality videos and photos and a lot better 7680x4320 video definition.
The Galaxy S21 Ultra costs a lot more money than the Xiaomi Mi MIX 2, but you can get a much better phone for that extra dollars.