Compare phones
| Global Score | |
| 74.2 | 87.7 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.0 Nougat | Android 10 |
| 2017-10-30 | 2020-09-11 |
| 6.12 x 2.96 x 0.30 inches | 6.45 x 3.00 x 0.37 inches |
| 5.82 ounces | 7.51 ounces |
| Black, Green and White | Black and White |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 399.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super IPS+ LCD | Super AMOLED Plus |
| 401 pixels per inch | 385 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 630 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 508 GPU | Adreno 618 GPU |
| 9.18 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 14.14 |
| Camera | |
| 12.00 MP + 8.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 9.57 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 8.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M51 is better than Asus ZenFone 4, with a global score of 87.7 against 74.2. Although the Samsung Galaxy M51 is notably newer than Asus ZenFone 4, it is somewhat thicker and a lot heavier. These devices include Android OS (Operating System), but Samsung Galaxy M51 has older 10 version while Asus ZenFone 4 has Android 8.0 Oreo version.
Galaxy M51 has a bit better performance than Asus ZenFone 4, and although they both have 8 cpu cores, the Galaxy M51 also has a larger amount of RAM. The Asus ZenFone 4 has a little more vivid screen than Samsung Galaxy M51, because although it has a quite lower resolution of 1080 x 1920 and a little smaller display, it also counts with a little bit better pixels density.
Galaxy M51 captures much clearer photos and videos than Asus ZenFone 4, and although they both have the same (4K) video definition, a same size aperture and the same video frame rate, the Galaxy M51 also has a back facing camera with a much higher 64 mega-pixels resolution and a lot bigger camera sensor taking more light and vivid colors.
Asus ZenFone 4 counts with a bit bigger memory capacity for apps and games than Samsung Galaxy M51, because although it has just 64 GB internal storage, it also counts with a SD card slot that supports up to 1,95 TB. Galaxy M51 counts with a very superior battery life than Asus ZenFone 4, because it has a 112% larger battery capacity.
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