Compare phones
| Global Score | |
| 71.8 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 10 |
| 2017-02-14 | 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 |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 145.00 | -- |
| 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 |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 618 GPU |
| 9.09 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 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 4.2 | 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 much better than the Xiaomi Redmi Note 4X, getting a score of 87.7 against 71.8. Samsung Galaxy M51 is a notably newer cellphone than the Xiaomi Redmi Note 4X, although it is somewhat thicker and notably heavier. These phones come with Android OS, but the Samsung Galaxy M51 has the older 10 version and Xiaomi Redmi Note 4X has Android 6.0 Marshmallow.
The Samsung Galaxy M51 has a bit better processor than Xiaomi Redmi Note 4X, and although they both have the same number of cores, the Samsung Galaxy M51 also has a greater amount of RAM memory. Samsung Galaxy M51 has a display that's very similar to the display in Xiaomi Redmi Note 4X, because although the Samsung Galaxy M51 has a little bit lower display pixels density, it also counts with a bigger display and a little bit higher 1080 x 2340 pixels resolution.
Galaxy M51 counts with a very superior storage to install applications and games than Xiaomi Redmi Note 4X, because it has a slot for an external memory card that allows up to 512 GB and 96 GB more internal memory capacity. The Samsung Galaxy M51 captures greater pictures and videos than Xiaomi Redmi Note 4X, because it has a much higher 3840x2160 video definition, a larger aperture and a back camera with much more megapixels.
The Samsung Galaxy M51 has a much better battery lifetime than Xiaomi Redmi Note 4X, because it has a 71 percent more battery capacity.
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