Compare phones
| Global Score | |
| 72.6 | 83.2 |
| Basic Information | |
| Asus | Xiaomi |
| Android 12 | -- |
| 2022-07-28 | 2019-03-06 |
| 5.77 x 2.68 x 0.36 inches | 6.20 x 2.94 x 0.30 inches |
| 5.96 ounces | 6.10 ounces |
| -- | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.9 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 446 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.7 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen1 SM8475 (4 nm) chipset | Qualcomm Snapdragon 855 chipset |
| processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 730 GPU | Adreno 640 GPU |
| 6.21 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 50.00 MP + 12.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 14.40mm focal length | 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 | |
| 4300mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.16 | 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 |
| FM Radio | -- |
Comparison review
The Xiaomi Mi 9 has a general score of 83.2, which is much better than the Asus Zenfone 9's 72.6 global score. Xiaomi Mi 9 is a noticeably older and a bit heavier device than the Asus Zenfone 9, but Xiaomi could make it somewhat thinner anyway. Xiaomi Mi 9 has a more vivid screen than Asus Zenfone 9, because although it has a just a bit lower screen density and a little lower 1080 x 2340px resolution, it also counts with a little bit bigger display.
The Xiaomi Mi 9 has as much memory to store more games and applications as the Asus Zenfone 9, they have the same internal storage capacity. Xiaomi Mi 9 features a much faster CPU than Asus Zenfone 9, although it has a lower amount of RAM, they both have a Octa-Core processor. Asus Zenfone 9 features just a bit better camera than Xiaomi Mi 9, because although it has a tinier diafragm aperture which is not recommended for low-light photography and video, it also counts with a lot bigger back camera sensor capturing more light and vivid colors, a more megapixels camera and a much higher video resolution.
The Asus Zenfone 9 has greater battery lifetime than Xiaomi Mi 9, because it has a 4300mAh battery capacity.
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