Compare phones
| Global Score | |
| 72.6 | 81 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 15 | Android 12 |
| -- | Black and White |
| -- | Aluminum and Ceramic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| -- | 3200 x 1440 pixels |
| AMOLED | AMOLED |
| -- | 524 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 2.7 | 9.7 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8650 (4 nm) chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| processor | processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 830 GPU | Adreno 730 GPU |
| 6.21 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 200.00 MP + 10.00 MP | 50.00 MP + 20.00 MP |
| -- | f/2.00 aperture |
| -- | 24.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 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 | 12.32 |
| 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 | |
| 3050mAh Dual Nano SIM + eSIM Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.04 | 6.64 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi 12S Ultra has an overall score of 81, which is much better than the Galaxy S25 Slim (Rumored)'s overall score of 72.6. Both of these phones work with Android OS (Operating System), but Xiaomi 12S Ultra has an older 12 version and Galaxy S25 Slim (Rumored) has Android 15 version. The Xiaomi 12S Ultra features an incredibly better display than Galaxy S25 Slim (Rumored), although it has a bit smaller display.
Xiaomi 12S Ultra and Samsung Galaxy S25 Slim (Rumored) both count with extremely similar processors, because although the Xiaomi 12S Ultra has 4 GB lesser RAM memory, it also counts with a greater number of cores. The Xiaomi 12S Ultra features a superior memory capacity for games and applications than Samsung Galaxy S25 Slim (Rumored), because it has 128 GB more internal storage capacity.
The Xiaomi 12S Ultra features a very superior battery lifetime than Samsung Galaxy S25 Slim (Rumored), because it has a 4800mAh battery size against 3050mAh. The Galaxy S25 Slim (Rumored) captures just a bit better photographs and videos than Xiaomi 12S Ultra, and although they both have the same 7680x4320 video definition, the Galaxy S25 Slim (Rumored) also has a way bigger back-facing camera sensor providing a lot higher image quality, a much higher 200 mega pixels resolution camera and better 30 frames per second video frame rates.
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