| Global Score | |
| 80.1 | 90.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 15 | Android 14 |
| -- | Glass (Corning Gorilla Glass) and Titanium |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.8 inches |
| -- | 3088 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| -- | 501 pixels per inch |
| 3000 cd/m2 brightness | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 5 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| processor | processor |
| 16 GB RAM | 12 GB RAM |
| Adreno 830 GPU | Yes GPU |
| 6.3 | 6.21 |
| Storage | |
| 512 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 13.3 |
| Camera | |
| 200.00 MP + 32.00 MP | 200.00 MP + 12.00 MP |
| -- | f/1.70 aperture |
| -- | 24.00mm focal length |
| -- | 0.77 inches (1/1.3") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.87 | 14.74 |
| Networks | |
| -- | Wi-Fi |
| -- | 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 |
| 7.6 | 10.6 |
| Battery Life | |
| 6000mAh Si - Carbon Battery | 5000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.3 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Samsung Galaxy S25 Ultra has a score of 90.7, which is better than the Xiaomi 15 Ultra (Rumored)'s global score of 80.1. Both devices in this comparison review come with Android OS (Operating System), but the Samsung Galaxy S25 Ultra has the previous 14 version while Xiaomi 15 Ultra (Rumored) has Android 15.
The Galaxy S25 Ultra counts with a lot better display than Xiaomi 15 Ultra (Rumored), because although it has less brightness, it also counts with a bit larger screen. Xiaomi 15 Ultra (Rumored) features just a bit better processing power than Samsung Galaxy S25 Ultra, and although they both have a Octa-Core processing unit, the Xiaomi 15 Ultra (Rumored) also has 4 GB more RAM.
Xiaomi 15 Ultra (Rumored) counts with much more storage for applications, games, photos and videos than Samsung Galaxy S25 Ultra, because it has more internal storage. The Xiaomi 15 Ultra (Rumored) has better battery life than Galaxy S25 Ultra, because it has 6000mAh of battery capacity against 5000mAh.
The Galaxy S25 Ultra captures better videos and photos than Xiaomi 15 Ultra (Rumored). Both of them have the same 30 fps video frame rates, the same 7680x4320 video resolution and the same resolution back facing camera.
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