Compare phones
| Global Score | |
| 87.7 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 7.0 Nougat |
| 2020-09-11 | 2017-06-20 |
| 6.45 x 3.00 x 0.37 inches | 6.17 x 3.10 x 0.32 inches |
| 7.51 ounces | 6.31 ounces |
| Black and White | 16 777 216 |
| Plastic and Plastic | Aluminum |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 5.7 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED Plus | IPS LCD |
| 385 pixels per inch | 386 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | MediaTek Helio P20 MT6757 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-T880 MP2 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 8.88 |
| Camera | |
| 64.00 MP + 32.00 MP | 13.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 11.88 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 7000mAh Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| 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 | -- |
Comparison review
Galaxy M51 has a score of 87.7, which is much better than Samsung Galaxy J7 Max's 76.1 general score. Both phones we compare here include Android OS (operating system), but the Galaxy M51 has the previous 10 version while Samsung Galaxy J7 Max has Android 7.0 Nougat. Galaxy M51's construction is a lot newer, but heavier and somewhat thicker than Samsung Galaxy J7 Max.
The Galaxy M51 and the Samsung Galaxy J7 Max have very similar displays, because although the Samsung Galaxy J7 Max has a quite smaller screen and a little lower resolution of 1080 x 1920px, it also counts with a quite greater screen density. The Samsung Galaxy J7 Max has a processing unit that is just as good as Galaxy M51's processing unit, and although the Samsung Galaxy J7 Max has 2 GB less RAM, they both have the same number of cores.
The Samsung Galaxy M51 takes a lot better pictures and videos than Galaxy J7 Max, because although it has a tinier aperture which is not so good for capturing pictures and video in low light situations, it also counts with a much better 3840x2160 video definition and a back-facing camera with lot more megapixels.
Samsung Galaxy M51 features a much better storage for apps and games than Samsung Galaxy J7 Max, because it has 128 GB internal storage and a SD card slot that supports a maximum of 512 GB. The Galaxy M51 counts with a very superior battery life than Galaxy J7 Max, because it has a 112 percent greater battery size.
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