Compare phones
| Global Score | |
| 76 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11, 10 |
| 2016-11-01 | 2020-04-29 |
| 6.15 x 3.04 x 0.30 inches | 6.26 x 2.90 x 0.34 inches |
| 5.86 ounces | 6.60 ounces |
| Black and Silver | Prism cube black |
| Aluminum and Glass | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 516.00 | $ 339.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| OLED | Super AMOLED |
| 386 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro chipset | Samsung Exynos 980 chipset |
| Kryo, 64-bit (Quad-Core 2350 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 530 GPU | Mali-G76 MP5 GPU |
| 9.09 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 10.1 | 15.38 |
| Camera | |
| 23.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.69 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | 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, Dual SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 4070mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy A51 5G has an overall score of 90.8, which is better than the Xiaomi Mi Note 2's score of 76. Both devices in this review include Android OS (Operating System), but Samsung Galaxy A51 5G has an older 11 version and Xiaomi Mi Note 2 has Android 6.0 Marshmallow version. The Samsung Galaxy A51 5G construction is notably newer than Xiaomi Mi Note 2's, but it's somewhat thicker and heavier.
Galaxy A51 5G features a bit better hardware performance than Xiaomi Mi Note 2, and although they both have a 6 GB RAM, the Galaxy A51 5G also has a larger number of cores (although they are slower). The Galaxy A51 5G counts with a bit better display than Xiaomi Mi Note 2, because it has a little bigger screen, a quite better resolution of 1080 x 2400 and a little bit higher pixel density.
The Galaxy A51 5G has a lot bigger storage capacity to install applications and games than Xiaomi Mi Note 2, and although they both have exactly the same 128 GB internal memory capacity, the Galaxy A51 5G also has a slot for SD memory cards that supports a maximum of 1000 GB. Galaxy A51 5G counts with just a little bit longer battery life than Xiaomi Mi Note 2, because it has 4500mAh of battery capacity.
Galaxy A51 5G takes way better videos and photos than Xiaomi Mi Note 2, and although they both have the same video frame rate, a same size aperture and the same 3840x2160 video resolution, the Galaxy A51 5G also has a back-facing camera with lot more megapixels and a way larger sensor providing a way better image quality.
Samsung Galaxy A51 5G is not only the best phones between the ones we are comparing, but it's also by far the cheapest one, making it a no doubt choice.
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