Compare phones
| Global Score | |
| 88.3 | 77 |
| Basic Information | |
| Xiaomi | Motorola |
| Android 11 | Android 11 |
| 2021-05-06 | 2021-12-06 |
| 6.45 x 3.01 x 0.41 inches | 6.37 x 2.91 x 0.34 inches |
| 7.41 ounces | 6.38 ounces |
| Mirror Black and Pale Grey | Baby Blue and Mineral Grey |
| Metal and Plastic | -- |
| $ 499.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| -- | IPS LCD |
| 393 pixels per inch | 411 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC chipset | MediaTek Helio G85 MT6769Z (12 nm) chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor | Cortex, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Mali-G52 MC2 GPU |
| 9.81 | 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 |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 11.99 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Dual SIM | Nano SIM |
| 10.6 | 6.6 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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 Black Shark 4 has a score of 88.3, which is much better than the Moto G31's score of 77. Even though the Xiaomi Black Shark 4 is better than the Moto G31, we must note that it is also somewhat thicker and somewhat heavier. These phones use the same Android 11 operating system. The Xiaomi Black Shark 4 counts with a bit better CPU than Motorola Moto G31, and although they both have a Octa-Core CPU, the Xiaomi Black Shark 4 also has a larger amount of RAM memory.
Xiaomi Black Shark 4 has a much better display than Moto G31, because although it has a little bit less pixels per display inch, and they both have an equal 1080 x 2400 pixels resolution, the Xiaomi Black Shark 4 also counts with a little bigger display. The Moto G31 counts with a much greater memory for applications, games, photos and videos than Xiaomi Black Shark 4, because although it has just 64 GB internal storage, it also counts with a slot for SD memory cards that admits up to 1 TB.
The Xiaomi Black Shark 4 captures much better videos and photos than Moto G31, because although it has a less MP back-facing camera, and they both have the same aperture, the Xiaomi Black Shark 4 also counts with a lot better (4K) video quality. The Motorola Moto G31 features a bit better battery performance than Xiaomi Black Shark 4, because it has 5000mAh of battery capacity.
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