Compare phones
| Global Score | |
| 72.6 | 80.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 15 | Android 15 |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| AMOLED | AMOLED |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 2.7 | 5 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8650 (4 nm) chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| processor | processor |
| 12 GB RAM | 16 GB RAM |
| Adreno 830 GPU | Adreno 830 GPU |
| 6.21 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 200.00 MP + 10.00 MP | 200.00 MP + 32.00 MP |
| 0.64 inches (1/1.56") 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 |
| 13.42 | 12.87 |
| 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 | 7.6 |
| Battery Life | |
| 3050mAh Dual Nano SIM + eSIM Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.04 | 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
Xiaomi 15 Ultra (Rumored) is better than Galaxy S25 Slim (Rumored), with a score of 80.1 against 72.6. Both of these devices have the same Android 15 OS, so you shouldn't perceive any differences regarding OS features. Xiaomi 15 Ultra (Rumored) features a little bit better processing power than Galaxy S25 Slim (Rumored), because it has more RAM and more processing cores.
Xiaomi 15 Ultra (Rumored) features a lot better looking display than Samsung Galaxy S25 Slim (Rumored), although it has a quite smaller display. The Xiaomi 15 Ultra (Rumored) features a much better storage to store more games and applications than Galaxy S25 Slim (Rumored), because it has more internal memory.
The Samsung Galaxy S25 Slim (Rumored) has a bit better camera than Xiaomi 15 Ultra (Rumored). Both have a same resolution back-facing camera, the same video quality and the same 30 fps video frame rates. Xiaomi 15 Ultra (Rumored) has a much better battery lifetime than Galaxy S25 Slim (Rumored), because it has 6000mAh of battery capacity instead of 3050mAh.
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