Compare phones
| Global Score | |
| 84.4 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 14 | Android 11 |
| 2024-02-22 | 2021-01-29 |
| 6.35 x 2.96 x 0.36 inches | 6.50 x 2.98 x 0.35 inches |
| 7.75 ounces | 8.04 ounces |
| Black, Blue, Titanium Gray and White | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.7 inches | 6.8 inches |
| 3200 x 1440 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 524 pixels per inch | 516 pixels per inch |
| 3000 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 10.4 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 12 GB RAM |
| Adreno 750 GPU | Adreno 660 GPU |
| 6.21 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 108.00 MP + 40.00 MP |
| f/1.60 aperture | f/1.80 aperture |
| 23.00mm focal length | 24.00mm focal length |
| 0.4 inches (1/2.51") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.43 | 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 | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5000mAh Dual Nano SIM Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy S21 Ultra is better than the Xiaomi 14 Ultra, getting a 98.1 score against 84.4. Both devices in our current comparison come with Android OS (Operating System), but the Galaxy S21 Ultra has 11 version and Xiaomi 14 Ultra has Android 14 version. Galaxy S21 Ultra is a way older and a bit heavier phone than Xiaomi 14 Ultra, but Samsung managed to make it a little thinner anyway.
The Xiaomi 14 Ultra has a bit more vivid screen than Galaxy S21 Ultra, because although it has a little smaller display, and they both have the same resolution of 1440 x 3200, the Xiaomi 14 Ultra also counts with a way brighter display and a quite better display density. Xiaomi 14 Ultra counts with a much better memory for apps and games than Galaxy S21 Ultra, because it has 256 GB internal memory.
The Galaxy S21 Ultra has a very superior hardware performance than Xiaomi 14 Ultra. They have the same number of cores and 12 GB of RAM. The Galaxy S21 Ultra's battery performance is just as good as Xiaomi 14 Ultra's battery performance. The Samsung Galaxy S21 Ultra counts with a much better camera than Xiaomi 14 Ultra, because although it has a smaller aperture and slower video frame rates, and they both have the same 7680x4320 video definition, the Samsung Galaxy S21 Ultra also counts with a lot more mega pixels camera and a lot bigger sensor providing a much higher image quality.
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