Compare phones
| Global Score | |
| 80.3 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2019-01-15 | 2019-12-27 |
| 6.27 x 2.96 x 0.32 inches | 6.24 x 2.90 x 0.31 inches |
| 6.56 ounces | 6.07 ounces |
| Black, Blue and Red | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| 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 9611 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Mali-G72 MP3 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 512 GB) external memory slot |
| 13.18 | 14.14 |
| 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 (240 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 | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| 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 is just a bit better than Xiaomi Redmi Note 7, with a score of 85.5 against 80.3. Galaxy A51 is a newer phone, and it is also just a little lighter and just a bit thinner than Xiaomi Redmi Note 7. Galaxy A51 features a display that is very similar to Xiaomi Redmi Note 7's screen, because although the Galaxy A51 has a just a little lower pixel density, it also counts with a bit higher 1080 x 2400 resolution and a quite larger screen.
The Galaxy A51 has a little faster processor than Xiaomi Redmi Note 7. Both of them have 8 cores and a 4 GB RAM memory. The Samsung Galaxy A51 has a bit bigger storage to store more games and applications than Xiaomi Redmi Note 7, and although they both have equal internal storage, the Samsung Galaxy A51 also has a slot for external memory cards that holds up to 512 GB.
The Galaxy A51 features a battery life that is very similar to Xiaomi Redmi Note 7's battery lifetime. The Samsung Galaxy A51 captures a bit better photographs and videos than Xiaomi Redmi Note 7, because although it has a smaller camera aperture, and they both have a 0.5 inches back-facing camera sensor and a camera with a 48 mega pixels resolution, the Samsung Galaxy A51 also counts with a way better (4K) video quality.
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