Compare phones
| Global Score | |
| 90.8 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 7.0 Nougat |
| 2020-04-29 | 2017-06-20 |
| 6.26 x 2.90 x 0.34 inches | 6.17 x 3.10 x 0.32 inches |
| 6.60 ounces | 6.31 ounces |
| Prism cube black | 16 777 216 |
| Aluminum and Plastic | Aluminum |
| Scratch-Resistant Glass | -- |
| $ 339.00 | -- |
| 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 980 chipset | MediaTek Helio P20 MT6757 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G76 MP5 GPU | Mali-T880 MP2 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 15.38 | 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 (480 fps) (HD) slow motion video | -- |
| 11.55 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.1 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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 Galaxy A51 5G has a global score of 90.8, which is better than the Samsung Galaxy J7 Max's 76.1 general score. Even though Galaxy A51 5G is extremely newer than Samsung Galaxy J7 Max, it's just a bit thicker and a bit heavier. These phones work with Android operating system, but the Galaxy A51 5G has older 11 version while Samsung Galaxy J7 Max has Android 7.0 Nougat version.
Samsung Galaxy A51 5G features a little more vivid screen than Galaxy J7 Max, because it has a little larger display, a bit greater pixel density and a bit higher resolution of 1080 x 2400px. Samsung Galaxy A51 5G features a much bigger storage to store more apps and games than Galaxy J7 Max, because it has 128 GB internal memory and a slot for SD memory cards that admits a maximum of 1000 GB.
Samsung Galaxy J7 Max has a processing unit that's just as good as the Samsung Galaxy A51 5G one, and although the Samsung Galaxy J7 Max has 2 GB less RAM, they both have a Octa-Core CPU. The Samsung Galaxy A51 5G counts with better battery lifetime than Samsung Galaxy J7 Max, because it has a 4500mAh battery size.
Galaxy A51 5G captures much clearer photographs and videos than Samsung Galaxy J7 Max, because although it has a tinier aperture, it also counts with a lot more mega-pixels camera in the back and a lot higher 3840x2160 video definition.
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