| Global Score | |
| 83.2 | 81.2 |
| Basic Information | |
| Xiaomi | Asus |
| -- | Android 13 |
| 2019-03-06 | 2023-04-13 |
| 6.20 x 2.94 x 0.30 inches | 6.81 x 3.03 x 0.41 inches |
| 6.10 ounces | 8.43 ounces |
| Black, Blue and Purple | Storm White |
| Glass (Corning Gorilla Glass 5) and Metal | Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 2448 x 2080 pixels |
| AMOLED | AMOLED |
| 403 pixels per inch | 472 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 7.9 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm) chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | processor |
| 6 GB RAM | 16 GB RAM |
| Adreno 640 GPU | Adreno 740 GPU |
| 9.63 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | -- |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.1 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 10.6 |
| Battery Life | |
| 3300mAh Battery | 6000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.28 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Xiaomi Mi 9 is a bit better than the Asus ROG Phone 7 Ultimate, getting a overall score of 83.2 against 81.2. Even though Xiaomi Mi 9 is notably older than Asus ROG Phone 7 Ultimate, it's body is a lot lighter and extremely thinner. The Xiaomi Mi 9 has a bit more vivid display than Asus ROG Phone 7 Ultimate, although it has a little worse display pixels density, a little smaller display and a lot lower 1080 x 2340px resolution.
Xiaomi Mi 9 features a much better processing power than Asus ROG Phone 7 Ultimate, although it has a smaller amount of RAM, they both have a Octa-Core processor. The Asus ROG Phone 7 Ultimate has much more memory capacity for apps and games than Xiaomi Mi 9, because it has 384 GB more internal storage capacity.
The Xiaomi Mi 9 has a bit better camera than Asus ROG Phone 7 Ultimate, although it has a way smaller back camera sensor, a much worse video definition and a less mega-pixels resolution camera. The Asus ROG Phone 7 Ultimate counts with a much better battery duration than Xiaomi Mi 9, because it has a 6000mAh battery capacity.
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