Compare phones
| Global Score | |
| 75.3 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo, 7.1 Nougat | Android 11, 10 |
| -- | 2020-04-29 |
| 5.97 x 2.95 x 0.31 inches | 6.26 x 2.90 x 0.34 inches |
| 6.00 ounces | 6.60 ounces |
| Black, Gold and Rose gold | Prism cube black |
| Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Mali-G76 MP5 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 1000 GB) external memory slot |
| 8.88 | 15.38 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.13 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 3300mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.32 |
| 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
The Samsung Galaxy A51 5G has a general score of 90.8, which is way better than Samsung Galaxy J7 Prime 2's general score of 75.3. These devices use Android operating system, but Samsung Galaxy A51 5G has older 11 version and Samsung Galaxy J7 Prime 2 has Android 9.0 Pie. The Samsung Galaxy A51 5G is a just a bit thicker and just a little bit heavier phone than the Samsung Galaxy J7 Prime 2.
Galaxy A51 5G features just a bit better looking screen than Galaxy J7 Prime 2, because it has a little bit higher 1080 x 2400 resolution, a bigger display and a just a bit better pixels density. Galaxy A51 5G counts with a bit faster processing unit than Galaxy J7 Prime 2, and although they both have the same number of cores, the Galaxy A51 5G also has a higher amount of RAM.
Samsung Galaxy A51 5G counts with a way better camera than Samsung Galaxy J7 Prime 2, because although it has a tinier aperture which is not recommended for low-light images and videos, it also counts with a lot better (4K) video definition, a back facing camera with a lot higher resolution and a lot larger back camera sensor capturing much higher quality videos and photographs.
The Samsung Galaxy A51 5G has a very superior memory capacity for apps and games than Samsung Galaxy J7 Prime 2, because it has a slot for SD memory cards that admits a maximum of 1000 GB and 128 GB internal memory capacity. Samsung Galaxy A51 5G counts with improved battery life than Samsung Galaxy J7 Prime 2, because it has 4500mAh of battery capacity against 3300mAh.
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