Compare phones
| Global Score | |
| 81.3 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 14 | Android 11 |
| 2024-10-29 | 2021-01-29 |
| 6.35 x 2.96 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 7.51 ounces | 6.03 ounces |
| -- | Gray, Phantom pink, Violet and White |
| Glass | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.8 inches | 6.2 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 516 pixels per inch | 424 pixels per inch |
| 3500 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 10.6 | 9.2 |
| Performance | |
| Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 830 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| 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 | 12.00 MP + 10.00 MP |
| f/1.40 aperture | f/1.80 aperture |
| 23.00mm focal length | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.99 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 6100mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 7.6 | 5.92 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass and Gyroscope | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy S21 has a score of 91.8, which is much better than the Xiaomi 15 Pro's score of 81.3. These phones work with Android OS, but the Samsung Galaxy S21 has older 11 version and Xiaomi 15 Pro has Android 14. Despite of the fact that the Samsung Galaxy S21 is noticeably older than the Xiaomi 15 Pro, it's body is lighter and just a little thinner.
Samsung Galaxy S21 features a really superior hardware performance than Xiaomi 15 Pro, although it has lesser RAM memory, they both have the same number of cores. Xiaomi 15 Pro has a better looking display than Samsung Galaxy S21, because it has a higher resolution of 1440 x 3200, way more brightness, a little bit larger display and a quite greater pixels count per inch in the display.
Xiaomi 15 Pro shoots much better photographs and videos than Galaxy S21, and although they both have the same 24 frames per second video frame rates and the same video definition, the Xiaomi 15 Pro also has a lot bigger aperture to capture better captures and video in poorly lited situations and a back-facing camera with a lot higher 50 mega-pixels resolution.
The Xiaomi 15 Pro features much more storage capacity for applications, games, photos and videos than Galaxy S21, because it has more internal memory capacity. Xiaomi 15 Pro counts with a way better battery duration than Samsung Galaxy S21, because it has 6100mAh of battery capacity against 4000mAh.
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