| Global Score | |
| 90.7 | 78.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 14 | Android 12 |
| -- | 2021-12-28 |
| -- | 6.01 x 2.75 x 0.32 inches |
| -- | 6.31 ounces |
| -- | Black, Blue, Green and Pink |
| Glass (Corning Gorilla Glass) and Titanium | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.3 inches |
| 3088 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 501 pixels per inch | 418 pixels per inch |
| 2600 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 10.2 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 4 chipset | Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset |
| processor | processor |
| 12 GB RAM | 8 GB RAM |
| Yes GPU | Adreno 730 GPU |
| 6.21 | 6.21 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 200.00 MP + 12.00 MP | 50.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.77 inches (1/1.3") sensor | 0.64 inches (1/1.56") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 14.74 | 12.54 |
| 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) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 10.6 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Samsung Galaxy S25 Ultra is much better than the Xiaomi 12, with a global score of 90.7 against 78.8. The Samsung Galaxy S25 Ultra construction is way lighter and thinner than Xiaomi 12. These devices come with Android operating system, but the Samsung Galaxy S25 Ultra has the newer 14 version while Xiaomi 12 has Android 12, so it offers a lot of extra features.
The Xiaomi 12's processing unit is just as good as the CPU in Samsung Galaxy S25 Ultra, and although the Xiaomi 12 has 4 GB lesser RAM, they both have 8 CPU cores. The Galaxy S25 Ultra features a better display than Xiaomi 12, because it has a higher resolution of 1440 x 3088px, a bit greater display density, much more brightness and a little bit larger screen.
Samsung Galaxy S25 Ultra counts with a way bigger storage to install applications and games than Xiaomi 12, because it has 256 GB internal memory capacity. The Samsung Galaxy S25 Ultra features a much better camera than Xiaomi 12, and although they both have the same 7680x4320 video definition, the Samsung Galaxy S25 Ultra also has a bigger sensor, faster 30 fps video frame rate, a bigger aperture to take better low-light photography and videos and a way more megapixels camera.
The Galaxy S25 Ultra features just a bit better battery life than Xiaomi 12, because it has a 5000mAh battery size.
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