Compare phones
| Global Score | |
| 85.5 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 7.0 Nougat |
| 2019-12-27 | 2017-06-20 |
| 6.24 x 2.90 x 0.31 inches | 6.17 x 3.10 x 0.32 inches |
| 6.07 ounces | 6.31 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | 16 777 216 |
| Plastic and Plastic | Aluminum |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 386 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Samsung Exynos 9611 chipset | MediaTek Helio P20 MT6757 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-T880 MP2 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 8.88 |
| Camera | |
| 48.00 MP + 32.00 MP | 13.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") 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 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy A51 has an overall score of 85.5, which is better than Samsung Galaxy J7 Max's 76.1 score. Both of these phones work with Android OS, but the Samsung Galaxy A51 has an older 11 version while Samsung Galaxy J7 Max has Android 7.0 Nougat. The Samsung Galaxy A51 is a notably newer cellphone, and it's also just a bit lighter and a little bit thinner than Samsung Galaxy J7 Max.
Samsung Galaxy A51 has a bit sharper display than Galaxy J7 Max, because it has a bit higher 1080 x 2400px resolution, a quite larger screen and a quite higher screen pixel density. Galaxy J7 Max and Samsung Galaxy A51 have incredibly similar processing units, both of them have 4 GB of RAM and 8 cores.
The Galaxy A51 captures way better photos and videos than Galaxy J7 Max, because although it has a smaller diafragm aperture which is worse for shooting photographs and videos in low light environments, it also counts with a much more MP back camera and a lot higher (4K) video resolution. The Samsung Galaxy A51 has a way bigger storage for applications, games, photos and videos than Samsung Galaxy J7 Max, because it has a SD card slot that admits up to 512 GB and 96 GB more internal storage.
The Samsung Galaxy A51 has improved battery lifetime than Galaxy J7 Max, because it has a 21% more battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.