Compare phones
| Global Score | |
| 98.1 | 79.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-05-26 |
| 6.50 x 2.98 x 0.35 inches | 6.37 x 2.97 x 0.35 inches |
| 8.04 ounces | 6.70 ounces |
| Phantom black and Silver | Aurora Green, Chrome Silver, Graphite Gray and Nighttime Blue |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 199.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 405 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | MediaTek Dimensity 700 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A76 and Arm Cortex-A55, 64-bit, 7 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Arm Mali-G57 MC2 GPU |
| 9.72 | 9.18 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 7.7 |
| Camera | |
| 108.00 MP + 40.00 MP | 48.00 MP + 8.00 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 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 6.8 |
| 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, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy S21 Ultra has an overall score of 98.1, which is way better than Xiaomi Redmi Note 10 5G's global score of 79.5. Both phones we compare here work with the same Android 11 OS, so both should offer very similar operating system features. Galaxy S21 Ultra's construction has the same thickness than Xiaomi Redmi Note 10 5G, but it's heavier.
Galaxy S21 Ultra features a much sharper display than Xiaomi Redmi Note 10 5G, because it has a greater pixel number per display inch, a better resolution of 1440 x 3200 pixels and a little larger display. The Samsung Galaxy S21 Ultra features just a little better hardware performance than Xiaomi Redmi Note 10 5G, and although they both have a Octa-Core CPU, the Samsung Galaxy S21 Ultra also has 8 GB more RAM memory.
Samsung Galaxy S21 Ultra counts with a much greater memory to install games and applications than Xiaomi Redmi Note 10 5G, because it has 128 GB internal storage. Xiaomi Redmi Note 10 5G and Samsung Galaxy S21 Ultra feature extremely similar battery durations. The Galaxy S21 Ultra features a way better camera than Xiaomi Redmi Note 10 5G, and although they both have the same aperture, the Galaxy S21 Ultra also has a way bigger back-facing camera sensor capturing more light and vivid colors and a camera in the back with way more megapixels.
Although Galaxy S21 Ultra is a better device, it costs a lot more than the Xiaomi Redmi Note 10 5G, and it doesn't have such a good quality/price relation as Xiaomi Redmi Note 10 5G. So if you want that extra features, you can buy the Galaxy S21 Ultra, otherwise you can save some dollars and get the Xiaomi Redmi Note 10 5G, resigning a couple features and specs.
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