Compare phones
| Global Score | |
| 73.3 | 79 |
| Basic Information | |
| Asus | Xiaomi |
| Android 6.0 Marshmallow | Android 11, 10 |
| 2016-07-12 | 2020-04-07 |
| 7.34 x 3.70 x 0.27 inches | 6.53 x 3.02 x 0.35 inches |
| 8.22 ounces | 7.37 ounces |
| Gold, Gray, Pink and Silver | Aurora blue, Glacier white and Interstellar grey |
| Aluminum | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | IPS LCD |
| 324 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit (Octa-Core 1800 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 510 GPU | Adreno 618 GPU |
| 8.91 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 12.86 | 11.74 |
| Camera | |
| 23.00 MP + 8.00 MP | 48.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (24 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (30 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.01 | 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 | |
| 4600mAh Li - Ion Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.48 | 6.8 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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 is a bit better than the Asus ZenFone 3 Ultra, having a general score of 79 against 73.3. These phones use Android OS, but the Xiaomi Redmi Note 9S has the older 11 version while Asus ZenFone 3 Ultra has Android 6.0 Marshmallow. Xiaomi Redmi Note 9S is a a lot newer and somewhat lighter cellphone than Asus ZenFone 3 Ultra, but it's also notably thicker.
The Xiaomi Redmi Note 9S counts with a slightly better display than Asus ZenFone 3 Ultra, because although it has a little bit smaller display, it also counts with a slightly better resolution of 1080 x 2400px and a just a little higher pixel amount in each screen inch. Xiaomi Redmi Note 9S counts with a bit faster processing unit than Asus ZenFone 3 Ultra. Both have the same RAM memory amount and a Octa-Core processing unit.
The Asus ZenFone 3 Ultra features a bit more storage capacity to install applications and games than Xiaomi Redmi Note 9S, because although it has a SD extension slot that admits up to 200 GB against 512 GB, it also counts with 128 GB internal storage. Xiaomi Redmi Note 9S counts with a superior camera than Asus ZenFone 3 Ultra, and although they both have the same (4K) video resolution, the Xiaomi Redmi Note 9S also has better 30 fps video frame rate, a larger camera aperture for better low-light photography and a way better resolution back camera.
Xiaomi Redmi Note 9S features just a bit longer battery lifetime than Asus ZenFone 3 Ultra, because it has 5020mAh of battery capacity against 4600mAh.
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