Compare phones
| Global Score | |
| 85.5 | 79 |
| Basic Information | |
| Asus | Xiaomi |
| Android 11 | Android 11, 10 |
| 2021-05-13 | 2020-04-07 |
| 6.50 x 3.04 x 0.38 inches | 6.53 x 3.02 x 0.35 inches |
| 8.11 ounces | 7.37 ounces |
| Galactic Black and Glacier Silver | Aurora blue, Glacier white and Interstellar grey |
| Aluminum and Glass (Corning Gorilla Glass 3) | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | IPS LCD |
| 393 pixels per inch | 393 pixels per inch |
| 1000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 17.14 | 11.74 |
| Camera | |
| 64.00 MP | 48.00 MP + 16.00 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 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.1 | 11.55 |
| 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 | |
| 5000mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| 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 is slightly better than the Xiaomi Redmi Note 9S, getting a general score of 85.5 against 79. The Asus ZenFone 8 Flip design is newer, but a bit heavier and a bit thicker than the Xiaomi Redmi Note 9S. Both of these phones come with the same Android 11 OS (operating system), so both should give you the same operating system features.
Asus ZenFone 8 Flip features a more vivid screen than Xiaomi Redmi Note 9S. Both of them have a screen with the same size, the same pixels density and the same 1080 x 2400 pixels resolution. The Asus ZenFone 8 Flip counts with a bit faster CPU than Xiaomi Redmi Note 9S, and although they both have 8 cores, the Asus ZenFone 8 Flip also has a higher amount of RAM memory.
Asus ZenFone 8 Flip counts with a little bit better camera than Xiaomi Redmi Note 9S, and although they both have the same aperture, the Asus ZenFone 8 Flip also has a bigger back-facing camera sensor which gives a better photo and video quality, a way higher video definition and a way more MP back camera.
The Asus ZenFone 8 Flip has a much bigger storage for games and applications than Xiaomi Redmi Note 9S, because it has a SD extension slot that allows up to 2 TB and 128 GB internal memory. The Asus ZenFone 8 Flip and the Xiaomi Redmi Note 9S both feature extremely similar batteries duration, although the Xiaomi Redmi Note 9S also has a 0 percent larger battery size.
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