Compare phones
| Global Score | |
| 79 | 83.3 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11, 10 | Android 10, 9.0 Pie, 8.0 Oreo |
| 2020-04-07 | 2018-06-05 |
| 6.53 x 3.02 x 0.35 inches | 6.10 x 2.94 x 0.30 inches |
| 7.37 ounces | 6.17 ounces |
| Aurora blue, Glacier white and Interstellar grey | Black, Blue, Gold and White |
| Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2400 x 1080 pixels | 2248 x 1080 pixels |
| IPS LCD | AMOLED |
| 393 pixels per inch | 402 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Adreno 630 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 56.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") 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 | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 9.9 |
| 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 | 3400mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.36 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi 8 has a score of 83.3, which is slightly better than Xiaomi Redmi Note 9S's 79 score. These phones work with Android OS (operating system), but Xiaomi Mi 8 has an older 10 version and Xiaomi Redmi Note 9S has Android 11 version. Despite of the fact that the Xiaomi Mi 8 is older than the Xiaomi Redmi Note 9S, it's body is somewhat thinner and lighter.
The Xiaomi Mi 8 features a little more vivid screen than Xiaomi Redmi Note 9S, because although it has a bit lower 1080 x 2248 pixels resolution and a bit smaller display, it also counts with a quite greater pixels count per display inch. Xiaomi Mi 8 has a little better hardware performance than Xiaomi Redmi Note 9S, and although they both have 8 processing cores, the Xiaomi Mi 8 also has more RAM.
The Xiaomi Mi 8 counts with a greater storage capacity for games and applications than Xiaomi Redmi Note 9S, because although it has no SD memory slot, it also counts with 256 GB internal storage. The Xiaomi Redmi Note 9S features a much better battery lifetime than Xiaomi Mi 8, because it has a 5020mAh battery capacity against 3400mAh.
The Xiaomi Redmi Note 9S captures much clearer pictures and videos than Xiaomi Mi 8, and although they both have the same video frame rates, a F1.8 aperture and the same 3840x2160 video definition, the Xiaomi Redmi Note 9S also has a lot larger sensor shooting way higher quality videos and photos and a lot more MP camera.
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