Compare phones
| Global Score | |
| 75.3 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo, 7.1 Nougat | Android 11, 10 |
| 2017-09-12 | 2020-04-29 |
| 6.01 x 2.91 x 0.30 inches | 6.26 x 2.90 x 0.34 inches |
| 5.75 ounces | 6.60 ounces |
| Black and Blue | Prism cube black |
| Aluminum and Glass | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 444.00 | $ 339.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| 550 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 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 |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Mali-G76 MP5 GPU |
| 9.27 | 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 | |
| 12.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 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 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.57 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 3 | 10.7 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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
Galaxy A51 5G is much better than Xiaomi Mi Note 3, getting a 90.8 score against 75.3. These phones have Android operating system, but Galaxy A51 5G has the older 11 version and Xiaomi Mi Note 3 has Android 8.1 Oreo. Galaxy A51 5G is a much newer cellphone than the Xiaomi Mi Note 3, although it is heavier and somewhat thicker.
The Galaxy A51 5G and Xiaomi Mi Note 3 both have extremely similar processors, both of them have 6 GB of RAM and the same number of cores. Xiaomi Mi Note 3 counts with a bit sharper screen than Galaxy A51 5G, although it has a quite lower 1080 x 1920px resolution, a little smaller display and a little bit lower pixel density.
Samsung Galaxy A51 5G has a much bigger storage to install applications and games or saving photos and videos than Xiaomi Mi Note 3, and although they both have exactly the same internal storage, the Samsung Galaxy A51 5G also has a SD memory card expansion slot that holds a maximum of 1000 GB. Samsung Galaxy A51 5G captures a lot better photographs and videos than Xiaomi Mi Note 3, because although it has a tinier camera aperture which is not recommended for taking photographs or videos in low-light situations, and they both have the same video frame rate and the same video resolution, the Samsung Galaxy A51 5G also counts with a lot more mega-pixels back facing camera.
Samsung Galaxy A51 5G has better battery life than Xiaomi Mi Note 3, because it has a 29% greater battery capacity.
Even being the best phone of the ones we are comparing, Galaxy A51 5G is also a lot cheaper, which makes it a no doubt choice.
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