Compare phones
| Global Score | |
| 83.2 | 88 |
| Basic Information | |
| Xiaomi | Asus |
| 2019-03-06 | 2019-09-04 |
| 6.20 x 2.94 x 0.30 inches | 6.73 x 3.06 x 0.37 inches |
| 6.10 ounces | 8.47 ounces |
| Black, Blue and Purple | Black Glare |
| Glass (Corning Gorilla Glass 5) and Metal | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.6 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 403 pixels per inch | 390 pixels per inch |
| 600 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.5 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 855 Plus SM8150-AC chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 640 GPU | Adreno 640 GPU |
| 9.63 | 9.81 |
| 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 | 48.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.1 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.28 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| 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 |
| -- | FM Radio |
Comparison review
Asus ROG Phone II is a little bit better than the Xiaomi Mi 9, with an 88 score against 83.2. The Asus ROG Phone II is better than the Xiaomi Mi 9, it must be noted that it is also a notably heavier and thicker device. The Xiaomi Mi 9 counts with a slightly better looking display than Asus ROG Phone II, because although it has a quite smaller screen, and they both have the same brightness and an equal resolution of 1080 x 2340, the Xiaomi Mi 9 also counts with a little bit greater display density.
Asus ROG Phone II has a lot bigger storage to store more apps and games than Xiaomi Mi 9, because it has 512 GB internal memory. The Asus ROG Phone II features just a bit better performance than Xiaomi Mi 9, and although they both have 8 CPU cores, the Asus ROG Phone II also has more RAM. Asus ROG Phone II features a much better battery performance than Xiaomi Mi 9, because it has an 82% greater battery capacity.
The Xiaomi Mi 9 shoots slightly better videos and photos than Asus ROG Phone II. Both of them have the same 3840x2160 (4K) video definition, a F1.8 aperture, the same video frame rates, a same resolution back camera and a 0.5 inches back camera sensor.
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