Compare phones
| Global Score | |
| 90.7 | 80.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 14 | Android 15 |
| Glass (Corning Gorilla Glass) and Titanium | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3088 x 1440 pixels | -- |
| Dynamic AMOLED | AMOLED |
| 501 pixels per inch | -- |
| 2600 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 10.2 | 5 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 4 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| processor | processor |
| 12 GB RAM | 16 GB RAM |
| Yes GPU | Adreno 830 GPU |
| 6.21 | 6.3 |
| Storage | |
| 256 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 17.6 |
| Camera | |
| 200.00 MP + 12.00 MP | 200.00 MP + 32.00 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 (240 fps) (Full HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 14.74 | 12.87 |
| 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 |
| 10.6 | 7.6 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.4 |
| 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 |
Comparison review
Galaxy S25 Ultra has a general score of 90.7, which is better than Xiaomi 15 Ultra (Rumored)'s 80.1 overall score. These phones come with Android operating system, but the Galaxy S25 Ultra has 14 version and Xiaomi 15 Ultra (Rumored) has Android 15. The Xiaomi 15 Ultra (Rumored) has just a bit better processing power than Galaxy S25 Ultra, and although they both have the same number of cores, the Xiaomi 15 Ultra (Rumored) also has a greater amount of RAM memory.
The Samsung Galaxy S25 Ultra has a much sharper screen than Xiaomi 15 Ultra (Rumored), because although it has less bright display, it also counts with a bit bigger display. The Galaxy S25 Ultra has a better camera than Xiaomi 15 Ultra (Rumored). Both of them have the same video resolution, the same 30 frames per second video frame rates and the same resolution back camera.
Xiaomi 15 Ultra (Rumored) counts with a very superior memory to install applications and games or saving photos and videos than Galaxy S25 Ultra, because it has 512 GB internal memory capacity. The Xiaomi 15 Ultra (Rumored) counts with superior battery lifetime than Galaxy S25 Ultra, because it has a 20% greater battery size.
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