Compare phones
| Global Score | |
| 90.8 | 81.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2020-04-29 | 2017-10-10 |
| 6.26 x 2.90 x 0.34 inches | 5.98 x 2.97 x 0.30 inches |
| 6.60 ounces | 6.53 ounces |
| Prism cube black | Black |
| Aluminum and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | $ 614.00 |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 2400 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G76 MP5 GPU | Adreno 540 GPU |
| 9.27 | 9.45 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 13.3 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 5.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.34 inches (1/2.9") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 9.57 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3400mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.36 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy A51 5G is much better than Xiaomi Mi MIX 2, having a 90.8 score against 81.2. Samsung Galaxy A51 5G's design is noticeably newer, but somewhat thicker and a bit heavier than Xiaomi Mi MIX 2. The Xiaomi Mi MIX 2 and Galaxy A51 5G both feature quite similar screens, although the Xiaomi Mi MIX 2 has a quite smaller screen, a bit worse pixels number in each inch of display and a quite lower resolution of 1080 x 2160 pixels.
The Xiaomi Mi MIX 2 features just a bit better performance than Galaxy A51 5G. Both of them have 6 GB of RAM and the same number of cores. The Galaxy A51 5G counts with a bigger memory capacity for apps and games than Xiaomi Mi MIX 2, because although it has less internal storage capacity, it also counts with a slot for an SD memory card that allows up to 1000 GB.
Galaxy A51 5G features better battery lifetime than Xiaomi Mi MIX 2, because it has 4500mAh of battery capacity. The Galaxy A51 5G shoots much better pictures and videos than Xiaomi Mi MIX 2, and although they both have the same 30 fps video frame rates, a F2 aperture and the same video quality, the Galaxy A51 5G also has a back camera with lot more mega pixels and a much larger back-facing camera sensor shooting lot higher quality videos and photographs.
The Samsung Galaxy A51 5G is not only the best phones of the ones in this comparison, but it's also a bargain compared to others.
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