Compare phones
| Global Score | |
| 75.5 | 79 |
| Basic Information | |
| Asus | Xiaomi |
| Android 8.0 Oreo, 7.1 Nougat | Android 11, 10 |
| 2017-10-30 | 2020-04-07 |
| 6.18 x 2.98 x 0.30 inches | 6.53 x 3.02 x 0.35 inches |
| 6.17 ounces | 7.37 ounces |
| Black and White | Aurora blue, Glacier white and Interstellar grey |
| Glass and Metal | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 599.00 | $ 249.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| AMOLED | IPS LCD |
| 401 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 540 GPU | Adreno 618 GPU |
| 9.45 | 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/1.70 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 |
| 9.68 | 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 | |
| 3600mAh Li - Ion Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | 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 Xiaomi Redmi Note 9S has a general score of 79, which is just a bit better than the Asus ZenFone 4 Pro's 75.5 global score. The Xiaomi Redmi Note 9S design is noticeably newer than Asus ZenFone 4 Pro's, but it is somewhat thicker and heavier. Both phones in this review include Android operating system, but Xiaomi Redmi Note 9S has an older 11 version and Asus ZenFone 4 Pro has Android 8.0 Oreo version.
Asus ZenFone 4 Pro features a slightly better looking display than Xiaomi Redmi Note 9S, because although it has a bit lower resolution of 1080 x 1920px and a little smaller screen, it also counts with a little bit greater display pixels density. Asus ZenFone 4 Pro counts with a way bigger storage capacity to store more apps and games than Xiaomi Redmi Note 9S, and although they both have exactly the same 64 GB internal memory, the Asus ZenFone 4 Pro also has a SD extension slot that supports up to 1,95 TB.
Asus ZenFone 4 Pro features a little faster CPU than Xiaomi Redmi Note 9S, and although they both have 8 CPU cores, the Asus ZenFone 4 Pro also has 2 GB more RAM memory. The Xiaomi Redmi Note 9S has a much longer battery life than Asus ZenFone 4 Pro, because it has 5020mAh of battery capacity against 3600mAh.
Xiaomi Redmi Note 9S takes better videos and photos than Asus ZenFone 4 Pro, because although it has a smaller aperture, and they both have the same 3840x2160 (4K) video definition and the same video frame rates, the Xiaomi Redmi Note 9S also counts with a lot bigger sensor taking way higher quality videos and pictures and a camera with way more mega-pixels.
Xiaomi Redmi Note 9S not only is the best phones between the ones we are comparing, but it's also by far the cheapest one.
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