Compare phones
| Global Score | |
| 74.2 | 79 |
| Basic Information | |
| Asus | Xiaomi |
| Android 8.0 Oreo, 7.0 Nougat | Android 11, 10 |
| 2017-10-30 | 2020-04-07 |
| 6.12 x 2.96 x 0.30 inches | 6.53 x 3.02 x 0.35 inches |
| 5.82 ounces | 7.37 ounces |
| Black, Green and White | Aurora blue, Glacier white and Interstellar grey |
| Metal | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 399.00 | $ 249.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| Super IPS+ LCD | IPS LCD |
| 401 pixels per inch | 393 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 630 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 508 GPU | Adreno 618 GPU |
| 9.18 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 11.74 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 25.00mm focal length | -- |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.57 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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 |
| FM Radio | -- |
Comparison review
Xiaomi Redmi Note 9S is just a bit better than the Asus ZenFone 4, with a global score of 79 against 74.2. Both phones in this comparison review include Android OS (operating system), but Xiaomi Redmi Note 9S has an older 11 version while Asus ZenFone 4 has Android 8.0 Oreo version. Xiaomi Redmi Note 9S's body is a lot newer than Asus ZenFone 4's, although it's thicker and noticeably heavier.
The Xiaomi Redmi Note 9S counts with a bit faster processor than Asus ZenFone 4. They have a Octa-Core processing unit and 4 GB of RAM. The Asus ZenFone 4 counts with a little more vivid display than Xiaomi Redmi Note 9S, because although it has a little smaller screen and a quite lower resolution of 1080 x 1920px, it also counts with a little bit greater pixels count per display inch.
The Xiaomi Redmi Note 9S counts with a way better camera than Asus ZenFone 4, and although they both have the same video frame rate, the same video quality and a same size aperture, the Xiaomi Redmi Note 9S also has a lot larger sensor providing a lot better image quality and a back camera with lot more megapixels.
The Asus ZenFone 4 counts with a superior memory to install applications and games or saving photos and videos than Xiaomi Redmi Note 9S, and although they both have equal internal storage capacity, the Asus ZenFone 4 also has a slot for an SD memory card that supports a maximum of 1,95 TB. Xiaomi Redmi Note 9S counts with a superior battery lifetime than Asus ZenFone 4, because it has 5020mAh of battery capacity instead of 3300mAh.
The Xiaomi Redmi Note 9S is not only the best phones between the ones we are comparing, but it's also a bargain compared to others.
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