Compare phones
| Global Score | |
| 85.5 | 83.2 |
| Basic Information | |
| Asus | Xiaomi |
| Android 11 | -- |
| 2021-05-13 | 2019-03-06 |
| 6.50 x 3.04 x 0.38 inches | 6.20 x 2.94 x 0.30 inches |
| 8.11 ounces | 6.10 ounces |
| Galactic Black and Glacier Silver | 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 | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| 1000 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 640 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | No SD card slot |
| 17.14 | 10.1 |
| Camera | |
| 64.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) 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 |
| 12.1 | 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, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.3 |
| Battery Life | |
| 5000mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.28 |
| Other Features | |
| Bluetooth 5.2 | 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 |
Comparison review
Asus ZenFone 8 Flip has a score of 85.5, which is a bit better than the Xiaomi Mi 9's global score of 83.2. Asus ZenFone 8 Flip's construction is notably newer, but incredibly thicker and heavier than the Xiaomi Mi 9. The Asus ZenFone 8 Flip counts with a bit more vivid screen than Xiaomi Mi 9, because although it has a little worse screen pixel density, it also counts with a really brighter screen, a little bigger screen and a bit higher resolution of 1080 x 2400px.
The Asus ZenFone 8 Flip counts with a superior storage capacity to store more games and applications than Xiaomi Mi 9, and although they both have the same 128 GB internal storage capacity, the Asus ZenFone 8 Flip also has a slot for an SD memory card that allows a maximum of 2 TB. The Xiaomi Mi 9 counts with a processing unit that is just as good as Asus ZenFone 8 Flip's processor, and although the Xiaomi Mi 9 has a smaller amount of RAM memory, they both have a Octa-Core processor.
The Asus ZenFone 8 Flip has a very superior battery duration than Xiaomi Mi 9, because it has 5000mAh of battery capacity against 3300mAh. Xiaomi Mi 9's camera is just as good as the camera in Asus ZenFone 8 Flip, and although the Xiaomi Mi 9 has a back camera with way less MP resolution, a way worse 3840x2160 (4K) video quality and a smaller camera sensor taking less light and dull colors, they both have a F1.8 camera aperture.
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