Compare phones
| Global Score | |
| 84.2 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2018-10-20 | 2019-12-27 |
| 6.29 x 3.02 x 0.30 inches | 6.24 x 2.90 x 0.31 inches |
| 5.93 ounces | 6.07 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Glass (Corning Gorilla Glass 3) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7885 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G71 MP2 GPU | Mali-G72 MP3 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 | |
| 24.00 MP + 24.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") 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 |
| 9.9 | 11.55 |
| 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 | |
| 3300mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| 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 slightly better than the Galaxy A7 (2018)'s 84.2 score. Galaxy A51 is a newer cellphone than Galaxy A7 (2018), but it is a little bit heavier and a little bit thicker. The Galaxy A7 (2018) and the Samsung Galaxy A51 count with very similar processors, and although the Samsung Galaxy A51 has a lower amount of RAM memory, they both have 8 processing cores.
Samsung Galaxy A7 (2018) and Samsung Galaxy A51 have incredibly similar screens, because although the Samsung Galaxy A51 has a just a bit worse screen pixel density, it also counts with a slightly higher resolution of 1080 x 2400px and a little bit bigger display. Galaxy A51 shoots better pictures and videos than Galaxy A7 (2018), because although it has a smaller aperture which is worse for low-light images, it also counts with a lot higher 3840x2160 video resolution, a much higher 48 mega pixels resolution camera and a lot bigger sensor which offers a much better photo and video quality.
The Samsung Galaxy A51 features as much storage to install games and applications as the Samsung Galaxy A7 (2018), both have exactly the same internal memory capacity and a slot for an SD memory card that supports a maximum of 512 GB. Samsung Galaxy A51 counts with superior battery life than Samsung Galaxy A7 (2018), because it has a 21% more battery capacity.
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