Compare phones
| Global Score | |
| 85.5 | 75.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 8.0 Oreo, 7.1 Nougat |
| 2019-12-27 | 2018-02-22 |
| 6.24 x 2.90 x 0.31 inches | 6.24 x 2.97 x 0.32 inches |
| 6.07 ounces | 6.38 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | 16 777 216 |
| Plastic and Plastic | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| 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 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 636 SDM636 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 509 GPU |
| 9.27 | 9 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 14.14 | 10.02 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.20 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.55 | 8.91 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Li - Polymer 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 | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy A51 is much better than the Xiaomi Redmi Note 5 Pro, having an 85.5 score against 75.8. These phones work with Android operating system, but the Galaxy A51 has older 11 version and Xiaomi Redmi Note 5 Pro has Android 8.0 Oreo version. The Galaxy A51 design is newer, a bit lighter and a bit thinner than the Xiaomi Redmi Note 5 Pro.
The Galaxy A51 counts with a little sharper screen than Xiaomi Redmi Note 5 Pro, because it has a little bit higher 1080 x 2400 resolution, a quite larger display and a little greater pixels density. The Galaxy A51 counts with a lot bigger storage capacity to install applications and games than Xiaomi Redmi Note 5 Pro, because it has a SD memory slot that admits a maximum of 512 GB and 128 GB internal storage.
The Galaxy A51 features a little faster processor than Xiaomi Redmi Note 5 Pro, although it has lesser RAM memory, they both have 8 processing cores. Xiaomi Redmi Note 5 Pro's battery lifetime is very similar to the Samsung Galaxy A51 one. Galaxy A51 takes way better photos and videos than Xiaomi Redmi Note 5 Pro, because it has a bigger aperture for better images and video in low-light environments, a camera with a way higher 48 MP resolution and a much better video quality.
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