Compare phones
| Global Score | |
| 83 | 76.6 |
| Basic Information | |
| Asus | Xiaomi |
| Android 11 | Android 10 |
| 2021-05-13 | 2020-05-20 |
| 5.83 x 2.70 x 0.35 inches | 6.39 x 3.04 x 0.35 inches |
| 5.96 ounces | 7.02 ounces |
| Horizon Silver and Obsidian Black | Forest green, Midnight gray and Polar white |
| Aluminum and Glass (Corning Gorilla Glass 3) | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 5.9 inches | 6.5 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 446 pixels per inch | 396 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | MediaTek Helio G85 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 660 GPU | Mali G52 MC2 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 64.00 MP + 12.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.65 | 11 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4000mAh Nano SIM Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.2, 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 ZenFone 8 has an overall score of 83, which is slightly better than Xiaomi Redmi Note 9's 76.6 score. Asus ZenFone 8 is a somewhat lighter device than the Xiaomi Redmi Note 9, but they have the same thickness. Both phones we are comparing here use Android OS (operating system), but the Asus ZenFone 8 has the newer 11 version and Xiaomi Redmi Note 9 has Android 10 version, so it provides the user some nice extra features.
Asus ZenFone 8 counts with a much better display than Xiaomi Redmi Note 9, because although it has a quite smaller screen, it also counts with a bit higher count of pixels in each inch in the display and a slightly better 1080 x 2400 resolution. The Asus ZenFone 8 counts with a little bit better memory to install games and applications than Xiaomi Redmi Note 9, because although it has no SD memory slot, it also counts with 128 GB internal memory.
The Asus ZenFone 8 has a bit superior CPU than Xiaomi Redmi Note 9, and although they both have 8 processing cores, the Asus ZenFone 8 also has a higher amount of RAM memory. Asus ZenFone 8 has a superior camera than Xiaomi Redmi Note 9, and although they both have the same camera aperture, the Asus ZenFone 8 also has a larger back-facing camera sensor capturing better quality videos and pictures, a way more mega-pixels back facing camera and a much better video definition.
The Xiaomi Redmi Note 9 counts with longer battery life than Asus ZenFone 8, because it has a 26% larger battery capacity.
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