Compare phones
| Global Score | |
| 77 | 83.2 |
| Basic Information | |
| Motorola | Xiaomi |
| Android 11 | -- |
| 2021-12-06 | 2019-03-06 |
| 6.37 x 2.91 x 0.34 inches | 6.20 x 2.94 x 0.30 inches |
| 6.38 ounces | 6.10 ounces |
| Baby Blue and Mineral Grey | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 411 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.6 |
| Performance | |
| MediaTek Helio G85 MT6769Z (12 nm) chipset | Qualcomm Snapdragon 855 chipset |
| Cortex, 64-bit (Octa-Core 2000 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Adreno 640 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 13.02 | 10.1 |
| Camera | |
| 50.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.45 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.3 |
| Battery Life | |
| 5000mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.28 |
| 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 has a general score of 83.2, which is slightly better than the Moto G31's 77 overall score. Xiaomi Mi 9 is an way older phone than the Moto G31, but it's a little lighter and somewhat thinner anyway. The Xiaomi Mi 9 features a bit better screen than Moto G31, although it has a little worse display pixels density and a bit worse 1080 x 2340px resolution, they both have a same size screen.
The Xiaomi Mi 9 has just a little better processing power than Moto G31, and although they both have a Octa-Core CPU, the Xiaomi Mi 9 also has more RAM. Xiaomi Mi 9 counts with a superior camera than Moto G31, because although it has a back facing camera with lesser mega-pixels, and they both have a same size camera aperture, the Xiaomi Mi 9 also counts with a lot higher 3840x2160 (4K) video definition.
Moto G31 has a lot bigger memory capacity to store more apps and games than Xiaomi Mi 9, because although it has less internal storage capacity, it also counts with a SD extension slot that allows a maximum of 1 TB. Motorola Moto G31 features a much better battery life than Xiaomi Mi 9, because it has 5000mAh of battery capacity.
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