| Global Score | |
| 75.2 | 83 |
| Basic Information | |
| Xiaomi | Asus |
| Android 4.4.3 | Android 11 |
| 2014-07-22 | 2021-05-13 |
| 5.48 x 2.70 x 0.35 inches | 5.83 x 2.70 x 0.35 inches |
| 5.26 ounces | 5.96 ounces |
| Black and White | Horizon Silver and Obsidian Black |
| -- | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 329.00 | -- |
| Display / Screen | |
| 5 inches | 5.9 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 441 pixels per inch | 446 pixels per inch |
| -- | 1100 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Qualcomm Krait 400 (Quad-Core 2500 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.36 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 10.1 |
| Camera | |
| 13.00 MP + 8.00 MP | 64.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.79 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| SIM | Nano SIM, Dual SIM |
| 7 | 10.6 |
| Battery Life | |
| 3080mAh Li-Polymer Battery | 4000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.2, EDR |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Asus ZenFone 8 has an overall score of 83, which is much better than Xiaomi Mi 4's overall score of 75.2. Asus ZenFone 8 is a heavier cellphone than Xiaomi Mi 4, but both of them are equally thin. These phones come with Android OS (operating system), but Asus ZenFone 8 has 11 version and Xiaomi Mi 4 has Android 4.4.3.
Asus ZenFone 8 counts with a little faster processing unit than Xiaomi Mi 4, because although it has doesn't have a graphics co-processor, it also counts with more RAM and a larger number of cores (and also faster). The Asus ZenFone 8 features a little sharper display than Xiaomi Mi 4, because it has a bigger display, a slightly higher 1080 x 2400 pixels resolution and a little bit greater number of pixels in each inch in the display.
Asus ZenFone 8 has a much greater storage to store more apps and games than Xiaomi Mi 4, because it has more internal storage capacity. Asus ZenFone 8 features better battery performance than Xiaomi Mi 4, because it has a 30% bigger battery size. Asus ZenFone 8 has a lot better camera than Xiaomi Mi 4, and although they both have a F1.8 aperture, the Asus ZenFone 8 also has a camera in the back with way more mega pixels, a way larger back-facing camera sensor taking lot better quality pictures and videos and a lot higher 7680x4320 video definition.
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