Compare phones
| Global Score | |
| 76.6 | 83 |
| Basic Information | |
| Xiaomi | Asus |
| Android 10 | Android 11 |
| 2020-05-20 | 2021-05-13 |
| 6.39 x 3.04 x 0.35 inches | 5.83 x 2.70 x 0.35 inches |
| 7.02 ounces | 5.96 ounces |
| Forest green, Midnight gray and Polar white | Horizon Silver and Obsidian Black |
| Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 283.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 396 pixels per inch | 446 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.2 |
| Performance | |
| MediaTek Helio G85 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali G52 MC2 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5020mAh Li - Polymer Battery | 4000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2, EDR |
| 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 Asus ZenFone 8 is slightly better than Xiaomi Redmi Note 9, having an 83 score against 76.6. The Asus ZenFone 8 design has the same thickness than the Xiaomi Redmi Note 9, but it is somewhat lighter. These devices include Android OS (operating system), but Asus ZenFone 8 has newer 11 version while Xiaomi Redmi Note 9 has Android 10.
Asus ZenFone 8 counts with just a bit better hardware performance than Xiaomi Redmi Note 9, and although they both have the same number of cores, the Asus ZenFone 8 also has a greater amount of RAM. Asus ZenFone 8 counts with a sharper screen than Xiaomi Redmi Note 9, because although it has a little bit smaller screen, it also counts with a just a little more pixels per inch in the screen and a bit higher 1080 x 2400 resolution.
Asus ZenFone 8 counts with a little bit better storage for games and applications than Xiaomi Redmi Note 9, because although it has no slot for SD memory cards, it also counts with 64 GB more internal storage. The Xiaomi Redmi Note 9 features longer battery performance than Asus ZenFone 8, because it has a 5020mAh battery capacity against 4000mAh.
Asus ZenFone 8 has a superior camera than Xiaomi Redmi Note 9, and although they both have a F1.8 aperture, the Asus ZenFone 8 also has a bigger sensor taking higher quality photographs, a back camera with lot more megapixels and a much higher 7680x4320 video quality.
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