Compare phones
| Global Score | |
| 89 | 90.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 14 |
| 2021-08-10 | -- |
| 6.40 x 2.97 x 0.31 inches | -- |
| 7.94 ounces | -- |
| Ceramic Black, Ceramic White and Shadow Gray | -- |
| Aluminum and Ceramic | Glass (Corning Gorilla Glass) and Titanium |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.8 inches |
| 2400 x 1080 pixels | 3088 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 393 pixels per inch | 501 pixels per inch |
| -- | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Yes 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 + 20.00 MP | 200.00 MP + 12.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 24.00mm focal length | 24.00mm focal length |
| 0.75 inches (1/1.33") 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 (480 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 13.75 | 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 Li - Ion 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 |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Samsung Galaxy S25 Ultra has a global score of 90.7, which is a little bit better than the Xiaomi Mi Mix 4's 89 score. The Samsung Galaxy S25 Ultra is a incredibly lighter and noticeably thinner cellphone than Xiaomi Mi Mix 4. Both devices we compare here use Android OS (operating system), but Samsung Galaxy S25 Ultra has a more recent 14 version and Xiaomi Mi Mix 4 has Android 11 version, counting with lots of additional features and enhanced performance.
Galaxy S25 Ultra has an incredibly better display than Xiaomi Mi Mix 4, because it has a higher 1440 x 3088 resolution, more pixels per screen inch and a bit larger screen. Xiaomi Mi Mix 4 counts with a lot better performance than Galaxy S25 Ultra, although it has a smaller amount of RAM, they both have 8 CPU cores.
Galaxy S25 Ultra features a very superior storage capacity to store more apps and games than Xiaomi Mi Mix 4, because it has 256 GB internal memory capacity. The Galaxy S25 Ultra counts with a slightly better camera than Xiaomi Mi Mix 4, and although they both have the same 7680x4320 video quality, the Galaxy S25 Ultra also has higher 30 fps video frame rate, a camera with a much higher resolution, a bigger back-facing camera sensor which provides a higher image and video quality and a bigger aperture.
Samsung Galaxy S25 Ultra features a little longer battery performance than Xiaomi Mi Mix 4, because it has an 11 percent larger battery capacity.
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