Compare phones
| Global Score | |
| 85.5 | 76.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 9.0 Pie, 7.1 Nougat |
| 2019-12-27 | 2018-01-09 |
| 6.24 x 2.90 x 0.31 inches | 5.97 x 2.95 x 0.31 inches |
| 6.07 ounces | 6.00 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | 16 777 216 |
| Plastic and Plastic | Metal |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.5 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | TFT |
| 405 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.9 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 7 Octa 7870 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-T830 MP1 GPU |
| 9.27 | 8.82 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 10.78 |
| Camera | |
| 48.00 MP + 32.00 MP | 13.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.55 | 9.13 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy A51 is much better than the Galaxy On7 Prime, with a global score of 85.5 against 76.9. Samsung Galaxy A51 is a a bit heavier phone than Galaxy On7 Prime, but they are equally thin. These devices use Android OS, but the Samsung Galaxy A51 has the older 11 version while Galaxy On7 Prime has Android 9.0 Pie.
Galaxy A51 has a bit sharper display than Samsung Galaxy On7 Prime, because it has a larger display, a slightly better resolution of 1080 x 2400 pixels and a quite greater number of pixels per inch in the screen. The Samsung Galaxy A51 has a bit better processing power than Samsung Galaxy On7 Prime. Both have a Octa-Core CPU and the same RAM amount.
Samsung Galaxy A51 has much more memory capacity for apps and games than Galaxy On7 Prime, because it has a SD memory slot that admits a maximum of 512 GB and more internal storage. The Galaxy A51 has a greater camera than Samsung Galaxy On7 Prime, because although it has a smaller diafragm aperture which is not recommended for low-light photography and videos, it also counts with a way better 3840x2160 (4K) video definition, a much more mega pixels camera and a much larger back-facing camera sensor capturing lot higher quality videos and pictures.
Samsung Galaxy A51 counts with superior battery lifetime than Galaxy On7 Prime, because it has 4000mAh of battery capacity instead of 3300mAh.
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