Compare phones
| Global Score | |
| 83.2 | 79 |
| Basic Information | |
| Xiaomi | Xiaomi |
| -- | Android 11, 10 |
| 2019-03-06 | 2020-04-07 |
| 6.20 x 2.94 x 0.30 inches | 6.53 x 3.02 x 0.35 inches |
| 6.10 ounces | 7.37 ounces |
| Black, Blue and Purple | Aurora blue, Glacier white and Interstellar grey |
| Glass (Corning Gorilla Glass 5) and Metal | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | IPS LCD |
| 403 pixels per inch | 393 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 16.00 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 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.1 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.28 | 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 |
Comparison review
The Xiaomi Mi 9 is a bit better than Xiaomi Redmi Note 9S, having a score of 83.2 against 79. The Xiaomi Mi 9 is an older phone than Xiaomi Redmi Note 9S, but Xiaomi made it thinner and lighter. Xiaomi Mi 9 has a little more vivid display than Xiaomi Redmi Note 9S, because although it has a little bit worse resolution of 1080 x 2340px and a little smaller screen, it also counts with a little bit higher number of pixels in each inch in the display.
Xiaomi Mi 9 features a bit more powerful processing unit than Xiaomi Redmi Note 9S, and although they both have 8 processing cores, the Xiaomi Mi 9 also has 2 GB more RAM. Xiaomi Mi 9 counts with a slightly better camera than Xiaomi Redmi Note 9S, and although they both have the same camera aperture, the same video definition, a same size sensor and a 48 megapixels resolution camera, the Xiaomi Mi 9 also has better 60 frames per second video frame rate.
The Xiaomi Redmi Note 9S features a quite bigger memory capacity for apps and games than Xiaomi Mi 9, because although it has just 64 GB internal storage capacity, it also counts with a SD memory slot that supports up to 512 GB. The Xiaomi Redmi Note 9S has a much longer battery performance than Xiaomi Mi 9, because it has 5020mAh of battery capacity against 3300mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.