Compare phones
| Global Score | |
| 75.3 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo, 7.1 Nougat | Android 10 |
| -- | 2020-09-11 |
| 5.97 x 2.95 x 0.31 inches | 6.45 x 3.00 x 0.37 inches |
| 6.00 ounces | 7.51 ounces |
| Black, Gold and Rose gold | Black and White |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| 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 |
| 7.9 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Adreno 618 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 14.14 |
| Camera | |
| 13.00 MP + 13.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 9.13 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 8.32 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M51 is much better than Samsung Galaxy J7 Prime 2, getting an 87.7 score against 75.3. Both phones in our current comparison work with Android OS (operating system), but Galaxy M51 has the older 10 version while Samsung Galaxy J7 Prime 2 has Android 9.0 Pie version. Galaxy M51's design is extremely heavier and somewhat thicker than Samsung Galaxy J7 Prime 2.
The Samsung Galaxy M51 has a bit more powerful CPU than Galaxy J7 Prime 2, and although they both have the same number of cores, the Samsung Galaxy M51 also has a greater amount of RAM. The Galaxy M51 features a little more vivid display than Galaxy J7 Prime 2, because although it has a quite worse display density, it also counts with a bit higher resolution of 1080 x 2340px and a bigger display.
The Galaxy M51 features a lot bigger memory capacity for games and applications than Galaxy J7 Prime 2, because it has a SD memory card expansion slot that allows a maximum of 512 GB and 128 GB internal storage capacity. The Galaxy M51 features a much better camera than Galaxy J7 Prime 2, because it has a much larger camera sensor taking way better quality photographs and videos, a lot higher 3840x2160 (4K) video definition, a bigger diafragm aperture for better low light photography and a camera in the back with much more mega pixels.
The Galaxy M51 features a superior battery duration than Galaxy J7 Prime 2, because it has 7000mAh of battery capacity.
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