Compare phones
| Global Score | |
| 73.3 | 83.2 |
| Basic Information | |
| Asus | Xiaomi |
| Android 6.0 Marshmallow | -- |
| 2016-07-12 | 2019-03-06 |
| 7.34 x 3.70 x 0.27 inches | 6.20 x 2.94 x 0.30 inches |
| 8.22 ounces | 6.10 ounces |
| Gold, Gray, Pink and Silver | Black, Blue and Purple |
| Aluminum | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 324 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.6 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Qualcomm Snapdragon 855 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit (Octa-Core 1800 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 510 GPU | Adreno 640 GPU |
| 8.91 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | No SD card slot |
| 12.86 | 10.1 |
| Camera | |
| 23.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (24 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (30 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.01 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4600mAh Li - Ion Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.48 | 5.28 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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
The Xiaomi Mi 9 has a global score of 83.2, which is better than the Asus ZenFone 3 Ultra's 73.3 overall score. Xiaomi Mi 9's construction is notably newer and lighter than Asus ZenFone 3 Ultra's, but it's also just a little bit thicker. The Xiaomi Mi 9 has a bit better processing unit than Asus ZenFone 3 Ultra, and although they both have the same number of cores, the Xiaomi Mi 9 also has a higher amount of RAM.
The Xiaomi Mi 9 has a more vivid screen than Asus ZenFone 3 Ultra, because although it has a little bit smaller display, it also counts with a just a bit greater number of pixels in each inch in the screen and a little higher resolution of 1080 x 2340 pixels. The Asus ZenFone 3 Ultra counts with a very superior memory capacity to install applications and games than Xiaomi Mi 9, and although they both have equal 128 GB internal memory, the Asus ZenFone 3 Ultra also has a slot for an SD memory card that admits up to 200 GB.
Asus ZenFone 3 Ultra has a really longer battery life than Xiaomi Mi 9, because it has 4600mAh of battery capacity instead of 3300mAh. Xiaomi Mi 9 captures much clearer videos and photos than Asus ZenFone 3 Ultra, and although they both have the same 3840x2160 video quality, the Xiaomi Mi 9 also has a bigger aperture, better video frame rates and a lot more mega pixels back facing camera.
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