Compare phones
| Global Score | |
| 88 | 83.2 |
| Basic Information | |
| Asus | Xiaomi |
| 2019-09-04 | 2019-03-06 |
| 6.73 x 3.06 x 0.37 inches | 6.20 x 2.94 x 0.30 inches |
| 8.47 ounces | 6.10 ounces |
| Black Glare | Black, Blue and Purple |
| Aluminum and Glass (Corning Gorilla Glass 3) | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.6 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 390 pixels per inch | 403 pixels per inch |
| 600 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 855 Plus SM8150-AC chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Adreno 640 GPU |
| 9.81 | 9.63 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 48.00 MP + 24.00 MP | 48.00 MP + 20.00 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 |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.99 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 6000mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.28 |
| Other Features | |
| Bluetooth 5.0, EDR | 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 |
| FM Radio | -- |
Comparison review
Asus ROG Phone II is slightly better than Xiaomi Mi 9, having a score of 88 against 83.2. Despite being the best in this review, Asus ROG Phone II is a thicker and notably heavier cellphone than the Xiaomi Mi 9. Xiaomi Mi 9 has just a bit better looking display than Asus ROG Phone II, because although it has a little smaller display, and they both have the same 1080 x 2340 resolution and the same brightness, the Xiaomi Mi 9 also counts with a just a bit more pixels per inch of display.
Asus ROG Phone II has a little bit better processing power than Xiaomi Mi 9, and although they both have a Octa-Core CPU, the Asus ROG Phone II also has a greater amount of RAM memory. Xiaomi Mi 9 takes a little bit better photographs and videos than Asus ROG Phone II. They have the same (4K) video definition, the same video frame rate, the same sensor size, a F1.8 diafragm aperture and a 48 megapixels resolution camera in the back.
The Asus ROG Phone II counts with much more memory to install applications and games than Xiaomi Mi 9, because it has 512 GB internal memory. Asus ROG Phone II counts with a much better battery performance than Xiaomi Mi 9, because it has 6000mAh of battery capacity instead of 3300mAh.
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