Compare phones
| Global Score | |
| 83.2 | 77 |
| Basic Information | |
| Xiaomi | Motorola |
| -- | Android 11 |
| 2019-03-06 | 2021-12-06 |
| 6.20 x 2.94 x 0.30 inches | 6.37 x 2.91 x 0.34 inches |
| 6.10 ounces | 6.38 ounces |
| Black, Blue and Purple | Baby Blue and Mineral Grey |
| Glass (Corning Gorilla Glass 5) and Metal | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | IPS LCD |
| 403 pixels per inch | 411 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | MediaTek Helio G85 MT6769Z (12 nm) chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Cortex, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 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 1 TB) external memory slot |
| 10.1 | 13.02 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 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 | -- |
| 12.1 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 6.6 |
| Battery Life | |
| 3300mAh Battery | 5000mAh 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 | -- |
| 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
The Xiaomi Mi 9 is a little bit better than Motorola Moto G31, getting a general score of 83.2 against 77. Xiaomi Mi 9's design is thinner and a little bit lighter than Motorola Moto G31, even though it was released 3 years before. The Xiaomi Mi 9 features a bit more powerful CPU than Motorola Moto G31, and although they both have the same number of cores, the Xiaomi Mi 9 also has a greater amount of RAM memory.
Xiaomi Mi 9 has a little bit better display than Moto G31, although it has a little worse pixel density and a little lower 1080 x 2340 pixels resolution, they both have a display with the same size. The Moto G31 has a very superior storage for applications, games, photos and videos than Xiaomi Mi 9, because although it has less internal memory capacity, it also counts with a SD memory slot that allows a maximum of 1 TB.
Xiaomi Mi 9 captures better videos and photos than Motorola Moto G31, because although it has a lower resolution camera, and they both have the same aperture, the Xiaomi Mi 9 also counts with a way higher 3840x2160 (4K) video definition. The Moto G31 has a superior battery duration than Xiaomi Mi 9, because it has a 52% more battery capacity.
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