Compare phones
| Global Score | |
| 78.2 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-04-28 | 2021-01-29 |
| 6.32 x 2.93 x 0.33 inches | 6.50 x 2.98 x 0.35 inches |
| 6.31 ounces | 8.04 ounces |
| Lake Green, Onyx Gray and Pebble White | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 229.00 | $ 966.00 |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 411 pixels per inch | 516 pixels per inch |
| 1100 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 9.8 |
| Performance | |
| MediaTek Helio G95 chipset | Qualcomm Snapdragon 888 chipset |
| Arm Cortex-A55 and Arm Cortex-A76, 64-bit, 12 nm (Octa-Core 2050 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Arm Mali-G76 MC4 GPU | Adreno 660 GPU |
| 9.18 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 10.1 |
| Camera | |
| 64.00 MP + 13.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.68 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S21 Ultra is way better than Xiaomi Redmi Note 10S, with a 98.1 score against 78.2. Even being the best in this review, Galaxy S21 Ultra's construction is a little bit thicker and heavier than Xiaomi Redmi Note 10S. Both of these devices use the same Android 11 OS (Operating System), so both should provide you very similar OS features.
Samsung Galaxy S21 Ultra counts with a slightly better looking display than Xiaomi Redmi Note 10S, because it has a little bit bigger screen, more display brightness, more pixels per inch in the screen and a higher resolution of 1440 x 3200 pixels. Samsung Galaxy S21 Ultra has a superior storage to install applications and games or saving photos and videos than Xiaomi Redmi Note 10S, because it has 128 GB internal storage capacity.
The Galaxy S21 Ultra features a little bit better processing power than Xiaomi Redmi Note 10S, and although they both have 8 processing cores, the Galaxy S21 Ultra also has a higher amount of RAM. The Samsung Galaxy S21 Ultra features a lot better camera than Xiaomi Redmi Note 10S, and although they both have a F1.8 aperture, the Samsung Galaxy S21 Ultra also has a lot better 108 megapixels resolution back camera.
The Samsung Galaxy S21 Ultra's battery lifetime is just as good as Xiaomi Redmi Note 10S's battery performance.
Although Galaxy S21 Ultra is a better device, it costs a lot more money than Xiaomi Redmi Note 10S, and it doesn't have such a good relation between it's price and quality as Xiaomi Redmi Note 10S. If you prefer to save some money, you can get the Xiaomi Redmi Note 10S, letting go a couple features, but you'll get the most out of your money.
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