Compare phones
| Global Score | |
| 83.3 | 90.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie, 8.0 Oreo | Android 14 |
| 2018-06-05 | -- |
| 6.10 x 2.94 x 0.30 inches | -- |
| 6.17 ounces | -- |
| Black, Blue, Gold and White | -- |
| Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass) and Titanium |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.2 inches | 6.8 inches |
| 2248 x 1080 pixels | 3088 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 402 pixels per inch | 501 pixels per inch |
| 600 cd/m2 brightness | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 630 GPU | Yes GPU |
| 9.63 | 6.21 |
| Storage | |
| 256 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 13.3 |
| Camera | |
| 12.00 MP + 20.00 MP | 200.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 56.00mm focal length | 24.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.77 inches (1/1.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.9 | 14.74 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 3400mAh Li - Polymer Battery | 5000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.36 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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
Galaxy S25 Ultra has a global score of 90.7, which is a little bit better than the Xiaomi Mi 8's overall score of 83.3. Both phones in our current comparison have Android OS (operating system), but the Galaxy S25 Ultra has the newer 14 version while Xiaomi Mi 8 has Android 10 version, offering a couple nice extra features. The Galaxy S25 Ultra construction is extremely lighter and way thinner than Xiaomi Mi 8.
Galaxy S25 Ultra has a better screen than Xiaomi Mi 8, because it has way more brightness, a better 1440 x 3088px resolution, a just a little greater amount of pixels in each inch of display and a bit bigger screen. Xiaomi Mi 8 counts with an extremely better processor than Samsung Galaxy S25 Ultra, although it has 6 GB less RAM, they both have 8 cores.
The Galaxy S25 Ultra's storage for applications, games, photos and videos is just as good as the Xiaomi Mi 8 one, they have equal 256 GB internal storage capacity. Galaxy S25 Ultra has a much better camera than Xiaomi Mi 8, because it has a much higher 7680x4320 video definition, a camera with a way higher resolution, a larger aperture and a way bigger camera sensor providing a much better image quality.
Galaxy S25 Ultra counts with a much better battery duration than Xiaomi Mi 8, because it has a 5000mAh battery size against 3400mAh.
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