Compare phones
| Global Score | |
| 74.6 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2019-10-16 | 2020-04-29 |
| 6.23 x 2.96 x 0.33 inches | 6.26 x 2.90 x 0.34 inches |
| 6.70 ounces | 6.60 ounces |
| Cosmic Purple, Moonlight White, Nebula Purple, Neptune Blue and Space Black | Prism cube black |
| Glass and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 227.00 | $ 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 665 SM6125 chipset | Samsung Exynos 980 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 610 GPU | Mali-G76 MP5 GPU |
| 9.09 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 8.12 | 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 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) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | 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 has a score of 90.8, which is a lot better than Xiaomi Redmi Note 8's global score of 74.6. Even though Galaxy A51 5G and the Xiaomi Redmi Note 8 were released only 7 months apart, Galaxy A51 5G's design is a little bit thicker but also just a little bit lighter. Both of these phones work with Android OS (Operating System), but the Galaxy A51 5G has a more recent 11 version while Xiaomi Redmi Note 8 has Android 10 version.
Samsung Galaxy A51 5G counts with just a little better processing power than Xiaomi Redmi Note 8, and although they both have the same number of cores, the Samsung Galaxy A51 5G also has 3 GB more RAM. Xiaomi Redmi Note 8 and Samsung Galaxy A51 5G count with quite similar displays, because although the Samsung Galaxy A51 5G has a little worse quantity of pixels per display inch, it also counts with a quite better resolution of 1080 x 2400px and a little bit bigger display.
The Galaxy A51 5G counts with a way bigger memory capacity to install games and applications than Xiaomi Redmi Note 8, because it has a SD memory card expansion slot that supports a maximum of 1000 GB and more internal memory capacity. Galaxy A51 5G takes clearer photos and videos than Xiaomi Redmi Note 8, although it has a smaller camera aperture, they both have the same video frame rate, a 48 mega pixels resolution back facing camera, the same back-facing camera sensor size and the same 3840x2160 video resolution.
The Galaxy A51 5G counts with a little better battery duration than Xiaomi Redmi Note 8, because it has a 4500mAh battery capacity.
Galaxy A51 5G costs a lot more than Xiaomi Redmi Note 8, but it's still a great choice, because you can get a lot more features for that extra money.
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