Compare phones
| Global Score | |
| 80.3 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2019-01-15 | 2020-04-29 |
| 6.27 x 2.96 x 0.32 inches | 6.26 x 2.90 x 0.34 inches |
| 6.56 ounces | 6.60 ounces |
| Black, Blue and Red | Prism cube black |
| Glass (Corning Gorilla Glass 5) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Samsung Exynos 980 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Mali-G76 MP5 GPU |
| 9.18 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 13.18 | 15.38 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (120 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.44 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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
Galaxy A51 5G is better than the Xiaomi Redmi Note 7, with a score of 90.8 against 80.3. Even though the Galaxy A51 5G is newer than Xiaomi Redmi Note 7, it is a little thicker and a little bit heavier. Xiaomi Redmi Note 7 and Samsung Galaxy A51 5G feature incredibly similar displays, because although the Samsung Galaxy A51 5G has a quite lower display density, it also counts with a bit higher resolution of 1080 x 2400 and a bit bigger display.
The Samsung Galaxy A51 5G counts with more storage for applications, games, photos and videos than Xiaomi Redmi Note 7, and although they both have equal 128 GB internal storage capacity, the Samsung Galaxy A51 5G also has a SD card slot that supports up to 1000 GB. The Galaxy A51 5G has a little better processing power than Xiaomi Redmi Note 7, and although they both have a Octa-Core processor, the Galaxy A51 5G also has more RAM.
Galaxy A51 5G counts with a little better battery performance than Xiaomi Redmi Note 7, because it has 4500mAh of battery capacity against 4000mAh. The Galaxy A51 5G shoots a little bit better photographs and videos than Xiaomi Redmi Note 7, because although it has a tinier diafragm aperture which is not nice for low light photos and video, and they both have the same back-facing camera sensor size and a same resolution back facing camera, the Galaxy A51 5G also counts with a much higher (4K) video quality.
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