Compare phones
| Global Score | |
| 85.5 | 84.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2019-12-27 | 2018-10-20 |
| 6.24 x 2.90 x 0.31 inches | 6.29 x 3.02 x 0.30 inches |
| 6.07 ounces | 5.93 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | 16 777 216 |
| Plastic and Plastic | Glass (Corning Gorilla Glass 3) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 2400 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 7 Octa 7885 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Mali-G71 MP2 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 MP | 24.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.8") 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 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 | FM Radio |
Comparison review
The Galaxy A51 has an overall score of 85.5, which is a little bit better than the Galaxy A7 (2018)'s score of 84.2. The Galaxy A51 is a newer phone than the Galaxy A7 (2018), although it's just a little bit thicker and just a little heavier. Galaxy A7 (2018) features a screen that's just as good as the display in Galaxy A51, because although the Galaxy A7 (2018) has a bit worse 1080 x 2220 resolution and a little smaller screen, it also counts with a just a little higher amount of pixels in each inch of display.
Galaxy A51 and Samsung Galaxy A7 (2018) have similar storage to install applications and games or saving photos and videos, both have equal 128 GB internal memory capacity and a SD extension slot that admits a maximum of 512 GB. Galaxy A51 and Galaxy A7 (2018) count with really similar CPUs, and although the Galaxy A7 (2018) has a larger amount of RAM memory, they both have a Octa-Core processor.
Samsung Galaxy A51 counts with longer battery life than Samsung Galaxy A7 (2018), because it has 4000mAh of battery capacity against 3300mAh. The Galaxy A51 features a better camera than Galaxy A7 (2018), because although it has a tinier aperture which is not recommended for capturing images and videos in low light environments, it also counts with a back facing camera with a much better 48 mega pixels resolution, a much better (4K) video resolution and a much larger camera sensor taking much higher quality videos and photos.
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