Compare phones
| Global Score | |
| 80.6 | 81 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 14 | Android 12 |
| 2024-10-29 | -- |
| 6.00 x 2.80 x 0.32 inches | -- |
| 6.67 ounces | -- |
| -- | Black and White |
| Glass | Aluminum and Ceramic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2670 x 1200 pixels | 3200 x 1440 pixels |
| OLED | AMOLED |
| 457 pixels per inch | 524 pixels per inch |
| 3200 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 10.2 | 9.7 |
| Performance | |
| Snapdragon 8 Elite SM8750-AB (3 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 | |
| 256 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 13.3 |
| Camera | |
| 50.00 MP + 32.00 MP | 50.00 MP + 20.00 MP |
| f/1.60 aperture | f/2.00 aperture |
| 23.00mm focal length | 24.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 12.1 | 12.32 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 7 | 10.6 |
| Battery Life | |
| 5400mAh Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 7.12 | 6.64 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass and Gyroscope | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi 12S Ultra has a general score of 81, which is just a bit better than the Xiaomi 15's 80.6 overall score. Xiaomi 12S Ultra is a notably thinner and extremely lighter phone than Xiaomi 15. These phones use Android OS, but the Xiaomi 12S Ultra has the older 12 version and Xiaomi 15 has Android 14.
The Xiaomi 15 and the Xiaomi 12S Ultra both have extremely similar processors, and although the Xiaomi 12S Ultra has less RAM, they both have 8 CPU cores. The Xiaomi 15 counts with a little bit better screen than Xiaomi 12S Ultra, because although it has a quite lower resolution of 1200 x 2670 pixels, a little bit lower pixels number per inch in the screen and a little smaller display, it also counts with a really brighter screen.
The Xiaomi 15 and the Xiaomi 12S Ultra have quite similar storage capacity for apps and games, both of them have exactly the same internal memory. The Xiaomi 12S Ultra captures clearer pictures and videos than Xiaomi 15, although it has lower video frame rates and a smaller diafragm aperture which is not recommended for shooting photographs or video in low light situations, they both have a 50 mega-pixels resolution camera in the back and the same 7680x4320 video definition.
Xiaomi 15 has a bit superior battery lifetime than Xiaomi 12S Ultra, because it has 5400mAh of battery capacity against 4800mAh.
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