Compare phones
| Global Score | |
| 74.1 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 7.0 Nougat, 6.0 Marshmallow | Android 10 |
| 2017-01-23 | 2020-09-11 |
| 5.94 x 2.99 x 0.33 inches | 6.45 x 3.00 x 0.37 inches |
| 5.82 ounces | 7.51 ounces |
| 16 777 216 | Black and White |
| Aluminum | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 190.00 | -- |
| 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 |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 618 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 14.14 |
| Camera | |
| 13.00 MP + 5.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.02 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 8.32 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M51 is better than Xiaomi Redmi Note 4, getting a general score of 87.7 against 74.1. The Samsung Galaxy M51 is a much newer phone than the Xiaomi Redmi Note 4, although it is incredibly heavier and somewhat thicker. These devices include Android operating system, but the Samsung Galaxy M51 has an older 10 version and Xiaomi Redmi Note 4 has Android 7.0 Nougat version.
Samsung Galaxy M51 counts with a bit superior CPU than Xiaomi Redmi Note 4, and although they both have the same number of cores, the Samsung Galaxy M51 also has 2 GB more RAM. Xiaomi Redmi Note 4 has a little bit better looking screen than Galaxy M51, because although it has a quite smaller display and a little bit lower resolution of 1080 x 1920px, it also counts with a little bit higher pixel density.
The Galaxy M51 counts with a lot better camera than Xiaomi Redmi Note 4, because it has a bigger aperture, a lot higher video resolution and a lot higher resolution camera. The Galaxy M51 has a lot bigger memory to install applications and games or saving photos and videos than Xiaomi Redmi Note 4, because it has 128 GB internal storage capacity and a slot for SD memory cards that admits up to 512 GB.
The Samsung Galaxy M51 counts with a much longer battery performance than Xiaomi Redmi Note 4, because it has a 71 percent bigger battery capacity.
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