Compare phones
| Global Score | |
| 71.7 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11 |
| 2016-11-07 | 2021-01-29 |
| 5.56 x 2.74 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 5.50 ounces | 8.04 ounces |
| 16 777 216 | Phantom black and Silver |
| Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| $ 133.00 | $ 966.00 |
| Display / Screen | |
| 5 inches | 6.8 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 441 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 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 |
| 3 GB RAM | 12 GB RAM |
| Adreno 506 GPU | Adreno 660 GPU |
| 9.09 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 10.1 |
| Camera | |
| 13.00 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-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 - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy S21 Ultra has a general score of 98.1, which is much better than the Xiaomi Redmi 4 Prime's 71.7 score. These phones use Android OS (Operating System), but Samsung Galaxy S21 Ultra has an older 11 version while Xiaomi Redmi 4 Prime has Android 6.0 Marshmallow version. The Samsung Galaxy S21 Ultra construction has the same thickness than the Xiaomi Redmi 4 Prime, but it is extremely heavier.
Galaxy S21 Ultra features a bit more powerful processor than Xiaomi Redmi 4 Prime, and although they both have a Octa-Core processor, the Galaxy S21 Ultra also has a larger amount of RAM memory. Galaxy S21 Ultra counts with a brighter display than Xiaomi Redmi 4 Prime, because it has a much higher 1440 x 3200px resolution, a just a little higher screen density and a really bigger screen.
Galaxy S21 Ultra counts with much more storage capacity to install applications and games than Xiaomi Redmi 4 Prime, because although it has no SD memory card expansion slot, it also counts with more internal storage capacity. Galaxy S21 Ultra has better battery lifetime than Xiaomi Redmi 4 Prime, because it has a 22 percent greater battery capacity.
The Galaxy S21 Ultra captures way better photographs and videos than Xiaomi Redmi 4 Prime, because it has a much higher 7680x4320 video resolution, a larger diafragm aperture to take better low light photos and videos and a back facing camera with lot more mega pixels.
Although Samsung Galaxy S21 Ultra is a better device, it costs a lot more than Xiaomi Redmi 4 Prime, and it doesn't have such a good relation between it's price and quality as the Xiaomi Redmi 4 Prime. So if you want that extra specs and features, you can buy the Samsung Galaxy S21 Ultra, else you can save some dollars and buy the Xiaomi Redmi 4 Prime, resigning a couple features and specs.
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