Compare phones
| Global Score | |
| 98.1 | 84.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 14 |
| 2021-01-29 | 2024-02-22 |
| 6.50 x 2.98 x 0.35 inches | 6.35 x 2.96 x 0.36 inches |
| 8.04 ounces | 7.75 ounces |
| Phantom black and Silver | Black, Blue, Titanium Gray and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3200 x 1440 pixels | 3200 x 1440 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 524 pixels per inch |
| 1500 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 10.4 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 12 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 750 GPU |
| 9.72 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 108.00 MP + 40.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.60 aperture |
| 24.00mm focal length | 23.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.4 inches (1/2.51") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 13.75 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Dual Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.4 |
| 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
Samsung Galaxy S21 Ultra has a general score of 98.1, which is much better than the Xiaomi 14 Ultra's 84.4 global score. Samsung Galaxy S21 Ultra's design is a bit thinner than Xiaomi 14 Ultra, although it's a little bit heavier and was released 3 years before. Both devices in our current comparison have Android OS, but the Samsung Galaxy S21 Ultra has an older 11 version and Xiaomi 14 Ultra has Android 14.
The Galaxy S21 Ultra features a much better performance than Xiaomi 14 Ultra. They have 8 cores and a 12 GB RAM. Xiaomi 14 Ultra has a bit sharper screen than Galaxy S21 Ultra, because although it has a little bit smaller screen, and they both have exactly the same 1440 x 3200 resolution, the Xiaomi 14 Ultra also counts with way more brightness and a little greater quantity of pixels per inch of screen.
The Galaxy S21 Ultra counts with a better camera than Xiaomi 14 Ultra, because although it has slower 24 frames per second video frame rates and a tinier camera aperture, and they both have the same 7680x4320 video definition, the Galaxy S21 Ultra also counts with a back camera with way more MP and a way larger camera sensor capturing lot higher quality photographs and videos.
Xiaomi 14 Ultra has a superior memory to install applications and games or saving photos and videos than Samsung Galaxy S21 Ultra, because it has 256 GB internal storage capacity. The Samsung Galaxy S21 Ultra and the Xiaomi 14 Ultra both count with similar battery performance.
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