Compare phones
| Global Score | |
| 83.2 | 76.6 |
| Basic Information | |
| Xiaomi | Xiaomi |
| -- | Android 10 |
| 2019-03-06 | 2020-05-20 |
| 6.20 x 2.94 x 0.30 inches | 6.39 x 3.04 x 0.35 inches |
| 6.10 ounces | 7.02 ounces |
| Black, Blue and Purple | Forest green, Midnight gray and Polar white |
| Glass (Corning Gorilla Glass 5) and Metal | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 403 pixels per inch | 396 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | MediaTek Helio G85 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 640 GPU | Mali G52 MC2 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 13.00 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 | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.1 | 11 |
| 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 | 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
Xiaomi Mi 9 is just a bit better than the Xiaomi Redmi Note 9, getting an 83.2 score against 76.6. The Xiaomi Mi 9 is an older device than Xiaomi Redmi Note 9, but it is thinner and lighter anyway. Xiaomi Mi 9 features a little sharper display than Xiaomi Redmi Note 9, because although it has a quite smaller screen, and they both have the same exact 1080 x 2340 resolution, the Xiaomi Mi 9 also counts with a little bit more pixels per display inch.
Xiaomi Mi 9 counts with a little better hardware performance than Xiaomi Redmi Note 9, and although they both have the same number of cores, the Xiaomi Mi 9 also has more RAM memory. The Xiaomi Mi 9 counts with a better camera than Xiaomi Redmi Note 9, and although they both have a same size diafragm aperture, a same resolution back facing camera and a same size back camera sensor, the Xiaomi Mi 9 also has a much higher 3840x2160 (4K) video definition.
The Xiaomi Mi 9 features a little bit more memory to install applications and games or saving photos and videos than Xiaomi Redmi Note 9, because although it has no SD memory slot, it also counts with 64 GB more internal memory. The Xiaomi Redmi Note 9 features a superior battery life than Xiaomi Mi 9, because it has 5020mAh of battery capacity instead of 3300mAh.
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