Compare phones
| Global Score | |
| 83.3 | 79 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10, 9.0 Pie, 8.0 Oreo | Android 11, 10 |
| 2018-06-05 | 2020-04-07 |
| 6.10 x 2.94 x 0.30 inches | 6.53 x 3.02 x 0.35 inches |
| 6.17 ounces | 7.37 ounces |
| Black, Blue, Gold and White | Aurora blue, Glacier white and Interstellar grey |
| Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.2 inches | 6.7 inches |
| 2248 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | IPS LCD |
| 402 pixels per inch | 393 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 12.00 MP + 20.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 56.00mm 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 | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.9 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3400mAh Li - Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi 8 has a general score of 83.3, which is a little bit better than the Xiaomi Redmi Note 9S's 79 score. Both of these phones use Android OS (Operating System), but Xiaomi Mi 8 has an older 10 version and Xiaomi Redmi Note 9S has Android 11 version. The Xiaomi Mi 8 construction is lighter and somewhat thinner than the Xiaomi Redmi Note 9S, even though it was released around 22 months before.
Xiaomi Mi 8 features a bit more powerful processor than Xiaomi Redmi Note 9S, and although they both have a Octa-Core processor, the Xiaomi Mi 8 also has a larger amount of RAM memory. Xiaomi Mi 8 has a bit more vivid display than Xiaomi Redmi Note 9S, because although it has a quite smaller screen and a bit worse 1080 x 2248 resolution, it also counts with a little higher count of pixels in each screen inch.
Xiaomi Mi 8 counts with a bigger storage capacity to install applications and games than Xiaomi Redmi Note 9S, because although it has no SD memory card expansion slot, it also counts with more internal storage capacity. Xiaomi Redmi Note 9S has a way better battery lifetime than Xiaomi Mi 8, because it has a 48 percent greater battery capacity.
The Xiaomi Redmi Note 9S captures much clearer photographs and videos than Xiaomi Mi 8, and although they both have the same aperture, the same (4K) video resolution and the same video frame rate, the Xiaomi Redmi Note 9S also has a way larger camera sensor which provides a much better image and video quality and a back facing camera with lot more mega pixels.
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