Compare phones
| Global Score | |
| 74.2 | 81 |
| Basic Information | |
| Asus | Xiaomi |
| Android 15 | Android 12 |
| 8.01 ounces | -- |
| -- | Black and White |
| -- | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 1199.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| -- | 3200 x 1440 pixels |
| OLED | AMOLED |
| -- | 524 pixels per inch |
| 2500 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 4.8 | 9.7 |
| Performance | |
| Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| processor | processor |
| 16 GB RAM | 8 GB RAM |
| Adreno 830 GPU | Adreno 730 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 | |
| 50.00 MP + 32.00 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 |
| 3840 x 2160 (60 fps) (4K) 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 |
| 11.22 | 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 | |
| 5800mAh Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 7.44 | 6.64 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi 12S Ultra is slightly better than the Asus ROG Phone 9 Pro, getting an 81 score against 74.2. Both of these phones have Android OS (operating system), but Xiaomi 12S Ultra has an older 12 version while Asus ROG Phone 9 Pro has Android 15. The Xiaomi 12S Ultra has a much better looking display than Asus ROG Phone 9 Pro, although it has much lower brightness and a bit smaller display.
Asus ROG Phone 9 Pro features a superior memory capacity for apps and games than Xiaomi 12S Ultra, because it has 512 GB internal memory capacity. The Asus ROG Phone 9 Pro has a bit more powerful processing unit than Xiaomi 12S Ultra, and although they both have the same number of cores, the Asus ROG Phone 9 Pro also has 8 GB more RAM memory.
The Asus ROG Phone 9 Pro features greater battery performance than Xiaomi 12S Ultra, because it has a 21% bigger battery size. The Xiaomi 12S Ultra has a slightly better camera than Asus ROG Phone 9 Pro, because although it has a much smaller sensor providing a much lower image quality, and they both have the same resolution back-facing camera, the Xiaomi 12S Ultra also counts with a lot better 7680x4320 video resolution.
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