Compare phones
| Global Score | |
| 11.67 | 9.32 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-04-20 |
| 6.50 x 2.98 x 0.35 inches | 6.32 x 2.93 x 0.33 inches |
| 8.04 ounces | 6.31 ounces |
| Phantom black and Silver | Lake Green, Onyx Gray and Pebble White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 199.00 |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 411 pixels per inch |
| 1500 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 678 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 612 GPU |
| 9.72 | 9.18 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 108.00 MP + 40.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | -- |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 9.9 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 5.44 |
| 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, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy S21 Ultra is way better than the Xiaomi Redmi Note 10, having a global score of 11.67 against 9.32. Although the Galaxy S21 Ultra is a better cellphone than Xiaomi Redmi Note 10, we must highlight that it's also a little bit thicker and extremely heavier. Both of these phones come with the same Android 11 OS (Operating System), so both should offer very similar operating system features.
The Galaxy S21 Ultra features just a bit better display than Xiaomi Redmi Note 10, because it has a better resolution of 1440 x 3200 pixels, more brightness, more pixels per inch in the display and a little bit bigger display. Xiaomi Redmi Note 10 features more storage capacity to install games and applications than Galaxy S21 Ultra, because although it has only 64 GB internal storage, it also counts with a SD card slot that holds up to 512 GB.
The Samsung Galaxy S21 Ultra counts with a bit better CPU than Xiaomi Redmi Note 10, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has a greater amount of RAM memory. The Xiaomi Redmi Note 10 features just a bit longer battery performance than Galaxy S21 Ultra.
Galaxy S21 Ultra captures a lot better pictures and videos than Xiaomi Redmi Note 10, and although they both have the same aperture, the Galaxy S21 Ultra also has a much bigger back-facing camera sensor taking much better quality videos and photos and a lot higher resolution back-facing camera.
Although Galaxy S21 Ultra is a better device, it is way more expensive than the Xiaomi Redmi Note 10, and it doesn't have such a good price and quality relation as the Xiaomi Redmi Note 10. So if you want that extra specs, you can buy Galaxy S21 Ultra, but if you don't you can save a couple dollars and get the Xiaomi Redmi Note 10, resigning a couple features and specs.