| Global Score | |
| 83.2 | 83.2 |
| Basic Information | |
| Asus | Xiaomi |
| Android 12 | -- |
| 2022-09-19 | 2019-03-06 |
| 6.81 x 3.03 x 0.41 inches | 6.20 x 2.94 x 0.30 inches |
| 8.43 ounces | 6.10 ounces |
| Space Gray | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 2448 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| 1200 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.6 |
| Performance | |
| MediaTek Dimensity 9000+ (4 nm) chipset | Qualcomm Snapdragon 855 chipset |
| processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 16 GB RAM | 6 GB RAM |
| Mali-G710 MC10 GPU | Adreno 640 GPU |
| 6.3 | 9.63 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 50.00 MP + 12.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.43 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.3 |
| Battery Life | |
| 6000mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.28 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| 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 |
Asus ROG Phone 6D Ultimate is a little bit better than Xiaomi Mi 9, with a score of 83.2 against 83.2. Asus ROG Phone 6D Ultimate's construction is way newer, but way heavier and notably thicker than Xiaomi Mi 9. The Asus ROG Phone 6D Ultimate features a bit more vivid display than Xiaomi Mi 9, because although it has a little bit inferior pixels amount per inch in the screen, it also counts with much more brightness, a little larger screen and a quite better resolution of 1080 x 2448 pixels.
The Asus ROG Phone 6D Ultimate counts with a much greater storage capacity for apps and games than Xiaomi Mi 9, because it has 512 GB internal memory capacity. The Xiaomi Mi 9 features a way better processing power than Asus ROG Phone 6D Ultimate, although it has 10 GB lesser RAM, they both have the same number of cores.
The Asus ROG Phone 6D Ultimate features a way better battery duration than Xiaomi Mi 9, because it has a 6000mAh battery capacity against 3300mAh. Asus ROG Phone 6D Ultimate has a little bit better camera than Xiaomi Mi 9, because although it has a smaller camera aperture which is worse for low-light photography, it also counts with a lot bigger camera sensor providing a much higher image quality, a lot higher 7680x4320 video quality and a more MP camera.
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