| Global Score | |
| 81.2 | 77.8 |
| Basic Information | |
| Xiaomi | Motorola |
| -- | Android 11 |
| 2017-10-10 | 2021-12-20 |
| 5.98 x 2.97 x 0.30 inches | 6.71 x 3.01 x 0.36 inches |
| 6.53 ounces | 7.34 ounces |
| Black | Aqua Blue, Bright Silver and Indigo Blue |
| Aluminum and Ceramic | -- |
| Scratch-Resistant Glass | -- |
| $ 614.00 | -- |
| Display / Screen | |
| 6 inches | 6.8 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | IPS LCD |
| 402 pixels per inch | 387 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Qualcomm Snapdragon 480 SM4350 (8 nm) chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | Kryo 460, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 540 GPU | Adreno 619 GPU |
| 9.45 | 9.09 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 MP | 50.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 0.34 inches (1/2.9") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (240 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.57 | 11.22 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 7 |
| Battery Life | |
| 3400mAh Li - Ion Battery | 5000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Xiaomi Mi MIX 2 is a little bit better than the Moto G51 5G, getting a overall score of 81.2 against 77.8. Even though Xiaomi Mi MIX 2 is extremely older than Moto G51 5G, it's design is thinner and somewhat lighter. The Xiaomi Mi MIX 2 counts with a bit sharper screen than Moto G51 5G, because although it has a little smaller display and a bit lower 1080 x 2160 resolution, it also counts with a little bit more pixels per inch in the display.
Xiaomi Mi MIX 2 features a little bit better processing power than Motorola Moto G51 5G, and although they both have 8 processing cores, the Xiaomi Mi MIX 2 also has more RAM. Xiaomi Mi MIX 2 has a quite bigger memory to store more games and applications than Moto G51 5G, because although it has no slot for SD memory cards, it also counts with 192 GB more internal memory.
Motorola Moto G51 5G counts with a much longer battery life than Xiaomi Mi MIX 2, because it has 5000mAh of battery capacity. Motorola Moto G51 5G shoots better photos and videos than Xiaomi Mi MIX 2, and although they both have the same 1920x1080 video resolution, the Motorola Moto G51 5G also has a much better resolution back-facing camera, a bigger diafragm aperture and higher video frame rate.
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