Compare phones
| Global Score | |
| 76.1 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 7.0 Nougat | Android 11, 10 |
| 2017-06-20 | 2019-12-27 |
| 6.17 x 3.10 x 0.32 inches | 6.24 x 2.90 x 0.31 inches |
| 6.31 ounces | 6.07 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 386 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| MediaTek Helio P20 MT6757 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 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-T880 MP2 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 14.14 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 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 |
| 9.02 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | 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 Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| 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 Galaxy A51 is better than the Galaxy J7 Max, having an 85.5 score against 76.1. Galaxy A51's construction is noticeably newer, just a little lighter and a little thinner than Galaxy J7 Max. Both of these phones include Android OS, but Galaxy A51 has the older 11 version and Galaxy J7 Max has Android 7.0 Nougat version.
Galaxy A51 and Galaxy J7 Max feature very similar CPUs, both have 4 GB of RAM memory and the same number of cores. The Samsung Galaxy A51 has a little more vivid display than Samsung Galaxy J7 Max, because it has a bit higher resolution of 1080 x 2400px, a just a little more pixels per inch of display and a bit larger display.
Galaxy A51 features a much greater storage capacity to install games and applications than Galaxy J7 Max, because it has 96 GB more internal memory and a SD extension slot that allows a maximum of 512 GB. The Samsung Galaxy A51 counts with a way better camera than Samsung Galaxy J7 Max, because although it has a smaller aperture which is not favorable for low-light images and video, it also counts with a way better 3840x2160 video quality and a lot higher resolution back facing camera.
The Samsung Galaxy A51 counts with greater battery duration than Samsung Galaxy J7 Max, because it has a 4000mAh battery size.
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