Compare phones
| Global Score | |
| 74.1 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 7.0 Nougat, 6.0 Marshmallow | Android 11 |
| 2017-01-23 | 2021-01-29 |
| 5.94 x 2.99 x 0.33 inches | 6.50 x 2.98 x 0.35 inches |
| 5.82 ounces | 8.04 ounces |
| 16 777 216 | Phantom black and Silver |
| Aluminum | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 966.00 |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 401 pixels per inch | 516 pixels per inch |
| 450 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Adreno 506 GPU | Adreno 660 GPU |
| 9.09 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 13.00 MP + 5.00 MP | 108.00 MP + 40.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.02 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, 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 Redmi Note 4's 74.1 score. These devices use Android operating system, but the Galaxy S21 Ultra has an older 11 version and Xiaomi Redmi Note 4 has Android 7.0 Nougat version. Although Galaxy S21 Ultra is way newer than Xiaomi Redmi Note 4, it is a little bit thicker and incredibly heavier.
Galaxy S21 Ultra features a little bit better performance than Xiaomi Redmi Note 4, and although they both have a Octa-Core processor, the Galaxy S21 Ultra also has more RAM. The Galaxy S21 Ultra counts with a brighter display than Xiaomi Redmi Note 4, because it has a much higher resolution of 1440 x 3200px, a larger screen, a higher pixel quantity per inch of screen and a lot brighter display.
Galaxy S21 Ultra captures a lot better pictures and videos than Xiaomi Redmi Note 4, because it has a larger diafragm aperture for better low-light images, a much better 7680x4320 video definition and a camera with lot more megapixels. The Galaxy S21 Ultra features a little bit more memory for games and applications than Xiaomi Redmi Note 4, because although it has no external memory slot, it also counts with more internal memory.
The Galaxy S21 Ultra features greater battery performance than Xiaomi Redmi Note 4, because it has a 5000mAh battery capacity instead of 4100mAh.
The Samsung Galaxy S21 Ultra is a lot more expensive than Xiaomi Redmi Note 4, but it's still a great choice, because you can get a lot more for that extra money.
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