Compare phones
| Global Score | |
| 98.1 | 76.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | -- |
| 2021-01-29 | 2017-04-28 |
| 6.50 x 2.98 x 0.35 inches | 5.72 x 2.78 x 0.29 inches |
| 8.04 ounces | 5.93 ounces |
| Phantom black and Silver | Black, Blue and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Glass and Metal |
| Scratch-Resistant Glass | -- |
| $ 966.00 | $ 421.00 |
| Display / Screen | |
| 6.8 inches | 5.2 inches |
| 3200 x 1440 pixels | 1920 x 1080 pixels (Full HD) |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 424 pixels per inch |
| 1500 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.7 |
| 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 2457 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 540 GPU |
| 9.72 | 9.45 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 40.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | 27.00mm 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 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | -- |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 3 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3350mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.36 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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 | -- |
Comparison review
The Galaxy S21 Ultra has a score of 98.1, which is way better than the Xiaomi Mi 6's global score of 76.5. The Galaxy S21 Ultra body is incredibly newer, but somewhat thicker and extremely heavier than Xiaomi Mi 6. Galaxy S21 Ultra has a bit better processing power than Xiaomi Mi 6, and although they both have 8 cores, the Galaxy S21 Ultra also has a larger amount of RAM.
Galaxy S21 Ultra has a more vivid screen than Xiaomi Mi 6, because it has a just a bit greater count of pixels per inch in the display, a really larger display, a way better 1440 x 3200 resolution and a much brighter screen. Xiaomi Mi 6 counts with as much memory to store more apps and games as the Samsung Galaxy S21 Ultra one, they have exactly the same internal storage.
Samsung Galaxy S21 Ultra captures way better photos and videos than Xiaomi Mi 6, and although they both have a same size aperture, the Samsung Galaxy S21 Ultra also has a much higher 7680x4320 video resolution, a lot bigger back-facing camera sensor which provides a lot higher image and video quality and a much more megapixels camera in the back.
Samsung Galaxy S21 Ultra features a much better battery duration than Xiaomi Mi 6, because it has a 49 percent more battery capacity.
Galaxy S21 Ultra costs a lot more money than the Xiaomi Mi 6, but you can get a much better phone for that extra money.
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