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