Compare phones
| Global Score | |
| 75.3 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo, 7.1 Nougat | Android 10 |
| 2017-09-12 | 2020-09-11 |
| 6.01 x 2.91 x 0.30 inches | 6.45 x 3.00 x 0.37 inches |
| 5.75 ounces | 7.51 ounces |
| Black and Blue | Black and White |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 444.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED Plus |
| 401 pixels per inch | 385 pixels per inch |
| 550 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 8 |
| Performance | |
| Qualcomm Snapdragon 660 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Adreno 618 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") 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 | -- |
| 9.57 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 3 | 6.7 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 8.32 |
| 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 M51 has a score of 87.7, which is much better than Xiaomi Mi Note 3's score of 75.3. The Galaxy M51 design is noticeably newer, but thicker and noticeably heavier than the Xiaomi Mi Note 3. These phones include Android operating system, but the Galaxy M51 has the older 10 version while Xiaomi Mi Note 3 has Android 8.1 Oreo.
Xiaomi Mi Note 3 features a little sharper display than Galaxy M51, because although it has a bit lower 1080 x 1920px resolution and a bit smaller display, it also counts with a just a bit higher pixels number in each inch in the screen. Galaxy M51's processor is very similar to Xiaomi Mi Note 3's CPU, they have the same RAM memory amount and the same number of cores.
The Samsung Galaxy M51 takes much clearer photos and videos than Xiaomi Mi Note 3, and although they both have a F1.8 camera aperture, the same 30 fps video frame rate and the same 3840x2160 (4K) video resolution, the Samsung Galaxy M51 also has a camera with a way better resolution. The Samsung Galaxy M51 counts with a lot bigger memory capacity to store more games and applications than Xiaomi Mi Note 3, and although they both have the same 128 GB internal storage, the Samsung Galaxy M51 also has a SD card slot that supports a maximum of 512 GB.
The Galaxy M51 features a way better battery performance than Xiaomi Mi Note 3, because it has a 7000mAh battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.