Compare phones
| Global Score | |
| 74.4 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 7.1 Nougat | Android 11 |
| 2018-02-22 | 2021-01-29 |
| 6.24 x 2.97 x 0.32 inches | 6.50 x 2.98 x 0.35 inches |
| 6.35 ounces | 8.04 ounces |
| 16 777 216 | Phantom black and Silver |
| Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6 inches | 6.8 inches |
| 2160 x 1080 pixels | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 402 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (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 | |
| 12.00 MP + 5.00 MP | 108.00 MP + 40.00 MP |
| f/2.20 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 (960 fps) (HD) slow motion video |
| 8.8 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 4000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 Ultra has a general score of 98.1, which is a lot better than the Xiaomi Redmi Note 5's global score of 74.4. Both of these devices work with Android OS, but Galaxy S21 Ultra has 11 version while Xiaomi Redmi Note 5 has Android 7.1 Nougat version. Galaxy S21 Ultra's design is notably newer, but a little thicker and incredibly heavier than Xiaomi Redmi Note 5.
Galaxy S21 Ultra features a much more vibrant screen than Xiaomi Redmi Note 5, because it has a better 1440 x 3200 resolution, a bit bigger screen and more pixels per inch in the screen. Galaxy S21 Ultra features a bit more powerful processor than Xiaomi Redmi Note 5, and although they both have 8 processing cores, the Galaxy S21 Ultra also has more RAM memory.
Galaxy S21 Ultra features a way better camera than Xiaomi Redmi Note 5, because it has a much higher resolution back-facing camera, a way better video quality and a bigger diafragm aperture. Galaxy S21 Ultra has a bit more memory to store more games and applications than Xiaomi Redmi Note 5, because although it has no slot for SD memory cards, it also counts with 128 GB internal storage.
The Galaxy S21 Ultra counts with improved battery duration than Xiaomi Redmi Note 5, because it has a 25 percent bigger battery capacity.
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