Compare phones
| Global Score | |
| 83.1 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 13 | Android 11 |
| 2024-01-15 | 2021-01-29 |
| 6.34 x 2.92 x 0.31 inches | 6.50 x 2.98 x 0.35 inches |
| -- | 8.04 ounces |
| Aurora Purple, Midnight Black and Ocean Teal | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.7 inches | 6.8 inches |
| 2710 x 1220 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 444 pixels per inch | 516 pixels per inch |
| 1800 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.5 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 7s Gen 2 SM7435-AB (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 710 GPU | Adreno 660 GPU |
| 6.21 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 18.62 | 10.1 |
| Camera | |
| 200.00 MP + 16.00 MP | 108.00 MP + 40.00 MP |
| f/1.60 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.75 inches (1/1.33") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.21 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| -- | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5100mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.88 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | 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
Galaxy S21 Ultra has an overall score of 98.1, which is better than Xiaomi Redmi Note 13 Pro 5G's 83.1 score. Both devices in this review have Android OS, but the Galaxy S21 Ultra has older 11 version while Xiaomi Redmi Note 13 Pro 5G has Android 13 version. Galaxy S21 Ultra features an extremely better CPU than Xiaomi Redmi Note 13 Pro 5G, and although they both have 8 processing cores, the Galaxy S21 Ultra also has a higher amount of RAM.
Samsung Galaxy S21 Ultra counts with a bit more vivid screen than Xiaomi Redmi Note 13 Pro 5G, because although it has less bright screen, it also counts with a slightly higher resolution of 1440 x 3200px, a little bigger screen and a just a bit better screen density. Xiaomi Redmi Note 13 Pro 5G features a superior memory to install games and applications than Samsung Galaxy S21 Ultra, because it has 256 GB internal memory capacity and a slot for an SD memory card that admits a maximum of 1 TB.
The Xiaomi Redmi Note 13 Pro 5G counts with a little longer battery lifetime than Galaxy S21 Ultra, because it has a 2 percent greater battery capacity. Samsung Galaxy S21 Ultra features a better camera than Xiaomi Redmi Note 13 Pro 5G, because although it has a smaller aperture which is not favorable for capturing images and videos in poorly lited situations and a back-facing camera with much less mega pixels, it also counts with a bigger back camera sensor.
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