Compare phones
| Global Score | |
| 79 | 77.8 |
| Basic Information | |
| Xiaomi | Asus |
| Android 11, 10 | Android 11, 9.0 Pie |
| 2020-04-07 | 2019-05-25 |
| 6.53 x 3.02 x 0.35 inches | 6.26 x 2.97 x 0.36 inches |
| 7.37 ounces | 6.70 ounces |
| Aurora blue, Glacier white and Interstellar grey | Black and Silver |
| Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | $ 500.00 |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 393 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 11.74 | 14.66 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 11.22 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5020mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| 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 has an overall score of 79, which is just a bit better than the Asus ZenFone 6 (2019)'s global score of 77.8. Xiaomi Redmi Note 9S is a newer and just a little thinner phone than Asus ZenFone 6 (2019), although it's a little heavier. These phones have the same Android 11 OS (operating system), so you shouldn't see any difference regarding OS features.
The Asus ZenFone 6 (2019) features a bit better processing power than Xiaomi Redmi Note 9S, and although they both have 8 processing cores, the Asus ZenFone 6 (2019) also has more RAM memory. The Asus ZenFone 6 (2019) has just a bit better looking display than Xiaomi Redmi Note 9S, because although it has a quite lower 1080 x 2340 resolution and a little smaller screen, it also counts with a bit better display pixels density.
The Xiaomi Redmi Note 9S captures clearer pictures and videos than Asus ZenFone 6 (2019), although it has slower video frame rate, they both have a back facing camera with a 48 megapixels resolution, the same (4K) video definition, a same size back camera sensor and the same aperture. The Asus ZenFone 6 (2019) has much more memory capacity to install games and applications than Xiaomi Redmi Note 9S, and although they both have exactly the same 64 GB internal memory capacity, the Asus ZenFone 6 (2019) also has an external SD slot that allows up to 1,95 TB.
The Asus ZenFone 6 (2019) has a battery lifetime that's very similar to Xiaomi Redmi Note 9S's battery lifetime, although the Asus ZenFone 6 (2019) has just 5000mAh battery size against 5020mAh.
Despite of being the best phone in our comparison, the Xiaomi Redmi Note 9S is also a lot cheaper, making it an easy decision.
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