Compare phones
| Global Score | |
| 76.7 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 8.0 Oreo | Android 10 |
| 2018-06-28 | 2020-09-11 |
| 6.27 x 2.98 x 0.32 inches | 6.45 x 3.00 x 0.37 inches |
| 6.24 ounces | 7.51 ounces |
| Black, Blue, Gold and Pink | Black and White |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.7 inches |
| 1480 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED Plus |
| 274 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 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 |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 14.14 |
| Camera | |
| 16.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") 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 |
| 9.46 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3500mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 8.32 |
| Other Features | |
| Bluetooth 4.2 | 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 has an overall score of 87.7, which is much better than the Galaxy J8's global score of 76.7. The Galaxy M51 body is extremely newer, but somewhat heavier and somewhat thicker than the Galaxy J8. Both phones we are comparing here work with the same Android 10 OS, so they should give the same OS features.
Galaxy M51 counts with a more vivid screen than Galaxy J8, because it has a better pixels quantity per inch of screen, a quite larger screen and a way higher 1080 x 2340 resolution. The Samsung Galaxy M51 features a bit more powerful processing unit than Galaxy J8, and although they both have the same number of cores, the Samsung Galaxy M51 also has more RAM.
The Galaxy M51 features a much better storage for apps and games than Samsung Galaxy J8, because it has 128 GB internal memory and a SD memory slot that supports up to 512 GB. The Galaxy M51 has a very superior battery lifetime than Galaxy J8, because it has a 7000mAh battery size against 3500mAh. The Samsung Galaxy M51 captures greater photos and videos than Samsung Galaxy J8, because although it has a tinier aperture which is not favorable for low light photography and video, it also counts with a way larger back-facing camera sensor which provides a lot better photo and video quality, a way more mega pixels camera and a lot higher 3840x2160 video quality.
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