Compare phones
| Global Score | |
| 11.67 | 9.21 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 8.1 Oreo |
| 2021-01-29 | 2018-11-23 |
| 6.50 x 2.98 x 0.35 inches | 6.22 x 3.01 x 0.33 inches |
| 8.04 ounces | 6.42 ounces |
| Phantom black and Silver | 16 777 216 |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Metal and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.3 inches |
| 3200 x 1440 pixels | 2280 x 1080 pixels |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 400 pixels per inch |
| 1500 cd/m2 brightness | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.5 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 636 SDM636 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 509 GPU |
| 9.72 | 9 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 10.78 |
| Camera | |
| 108.00 MP + 40.00 MP | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.39 inches (1/2.55") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 9.24 |
| 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 |
| 10.7 | 6.3 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 5.04 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S21 Ultra is way better than Xiaomi Redmi Note 6 Pro, having a general score of 11.67 against 9.21. These phones work with Android OS (operating system), but the Samsung Galaxy S21 Ultra has 11 version and Xiaomi Redmi Note 6 Pro has Android 8.1 Oreo version. Samsung Galaxy S21 Ultra is a way newer phone than Xiaomi Redmi Note 6 Pro, but it is just a little bit thicker and much heavier.
The Samsung Galaxy S21 Ultra features just a little better performance than Xiaomi Redmi Note 6 Pro, and although they both have 8 cores, the Samsung Galaxy S21 Ultra also has 6 GB more RAM. The Galaxy S21 Ultra has a sharper screen than Xiaomi Redmi Note 6 Pro, because it has a higher resolution of 1440 x 3200px, more pixels per display inch, a really brighter screen and a bit larger screen.
The Galaxy S21 Ultra shoots greater pictures and videos than Xiaomi Redmi Note 6 Pro, because it has a much higher video resolution, a larger diafragm aperture to capture better captures in poorly lited environments, a much larger back camera sensor which provides a way better photo and video quality and a much higher 108 MP resolution camera.
Xiaomi Redmi Note 6 Pro counts with a slightly bigger memory to install applications and games or saving photos and videos than Samsung Galaxy S21 Ultra, because although it has just 64 GB internal storage, it also counts with an external memory card slot that admits up to 256 GB. Xiaomi Redmi Note 6 Pro counts with a bit longer battery life than Samsung Galaxy S21 Ultra, although it has just 4000mAh of battery size instead of 5000mAh.