Compare phones
| Global Score | |
| 76.9 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.1 Nougat | Android 11, 10 |
| 2018-01-09 | 2019-12-27 |
| 5.97 x 2.95 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 6.00 ounces | 6.07 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| TFT | 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 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Mali-G72 MP3 GPU |
| 8.82 | 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 | |
| 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 (240 fps) (HD) slow motion video |
| 9.13 | 11.55 |
| 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 | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A51 is better than Samsung Galaxy On7 Prime, getting an 85.5 score against 76.9. Galaxy A51 is a just a little bit heavier phone than Samsung Galaxy On7 Prime, but both are equally thin. Both of these devices work with Android OS, but the Galaxy A51 has an older 11 version and Samsung Galaxy On7 Prime has Android 9.0 Pie version.
The Galaxy A51 has just a little better performance than Samsung Galaxy On7 Prime. Both have the same RAM amount and a Octa-Core CPU. Galaxy A51 counts with a little bit better screen than Galaxy On7 Prime, because it has a larger display, a slightly higher resolution of 1080 x 2400px and a bit better screen density.
Galaxy A51 counts with a very superior camera than Samsung Galaxy On7 Prime, because although it has a tinier aperture which is worse for low light photography, it also counts with a way higher 3840x2160 (4K) video quality, a back-facing camera with much more MP and a lot bigger back camera sensor providing a way better image quality.
Samsung Galaxy A51 has a much greater storage for applications and games than Galaxy On7 Prime, because it has a slot for an external memory card that supports a maximum of 512 GB and 128 GB internal memory capacity. The Galaxy A51 counts with longer battery duration than Galaxy On7 Prime, because it has a 4000mAh battery size.
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