Compare phones
| Global Score | |
| 90.8 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11 |
| 2020-04-29 | 2021-08-10 |
| 6.26 x 2.90 x 0.34 inches | 6.40 x 2.97 x 0.31 inches |
| 6.60 ounces | 7.94 ounces |
| Prism cube black | Ceramic Black, Ceramic White and Shadow Gray |
| Aluminum and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G76 MP5 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 108.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 11.55 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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 | -- |
Comparison review
Galaxy A51 5G has an overall score of 90.8, which is a bit better than Xiaomi Mi Mix 4's 89 score. Both devices in our current comparison include the same Android 11 OS (Operating System), so both should provide you all the same operating system features. The Galaxy A51 5G body is lighter than the Xiaomi Mi Mix 4, but it's a little thicker and was released only 16 months before.
The Xiaomi Mi Mix 4 and Galaxy A51 5G feature really similar displays, because although the Xiaomi Mi Mix 4 has a just a bit lower display pixel density, and they both have exactly the same resolution of 1080 x 2400, it also counts with a bit bigger screen. Galaxy A51 5G features a much bigger storage for games and applications than Xiaomi Mi Mix 4, and although they both have the same 128 GB internal storage, the Galaxy A51 5G also has a SD memory card expansion slot that allows a maximum of 1000 GB.
Xiaomi Mi Mix 4 features just a little better performance than Samsung Galaxy A51 5G, and although they both have a Octa-Core processing unit, the Xiaomi Mi Mix 4 also has 2 GB more RAM memory. Xiaomi Mi Mix 4 features a battery duration that's very similar to the battery life in Galaxy A51 5G. The Xiaomi Mi Mix 4 shoots much clearer photographs and videos than Galaxy A51 5G, because it has a lot better 108 MP resolution camera in the back, a much larger camera sensor taking lot better quality photos, a much better 7680x4320 video resolution and a larger aperture to take better photography in low light environments.
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