Compare phones
| Global Score | |
| 91.8 | 84.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 14 |
| 2021-01-29 | 2024-02-22 |
| 5.97 x 2.80 x 0.31 inches | 6.35 x 2.96 x 0.36 inches |
| 6.03 ounces | 7.75 ounces |
| Gray, Phantom pink, Violet and White | Black, Blue, Titanium Gray and White |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.7 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 524 pixels per inch |
| 1300 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 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 |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 750 GPU |
| 9.63 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 12.00 MP + 10.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.60 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.57 inches (1/1.76") 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 |
| 10.78 | 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 | |
| 4000mAh Li - Polymer Battery | 5000mAh Dual Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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 is a bit better than the Xiaomi 14 Ultra, getting a 91.8 score against 84.4. Both of these phones include Android operating system, but the Samsung Galaxy S21 has an older 11 version while Xiaomi 14 Ultra has Android 14. Although Samsung Galaxy S21 is way older than the Xiaomi 14 Ultra, it's body is somewhat thinner and lighter.
Xiaomi 14 Ultra has a more vivid screen than Galaxy S21, because it has a bit higher pixels density, a bit larger screen, a really brighter screen and a higher resolution of 1440 x 3200. The Xiaomi 14 Ultra has a lot bigger storage capacity for applications and games than Samsung Galaxy S21, because it has 256 GB internal memory.
Galaxy S21 has a very superior hardware performance than Xiaomi 14 Ultra, although it has 4 GB lesser RAM, they both have the same number of cores. Xiaomi 14 Ultra counts with greater battery lifetime than Galaxy S21, because it has a 5000mAh battery capacity. Xiaomi 14 Ultra counts with a better camera than Samsung Galaxy S21, because although it has a lot tinier camera sensor providing a lot lower image quality, and they both have the same video quality, the Xiaomi 14 Ultra also counts with a much higher resolution camera in the back, faster video frame rates and a larger camera aperture to capture better images in poorly lited environments.
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