Compare phones
| Global Score | |
| 84.2 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2018-10-20 | 2020-04-29 |
| 6.29 x 3.02 x 0.30 inches | 6.26 x 2.90 x 0.34 inches |
| 5.93 ounces | 6.60 ounces |
| 16 777 216 | Prism cube black |
| Glass (Corning Gorilla Glass 3) and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| 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 980 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Mali-G76 MP5 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 1000 GB) external memory slot |
| 14.14 | 15.38 |
| 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 (480 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 | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3300mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.32 |
| 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
Samsung Galaxy A51 5G has a general score of 90.8, which is a bit better than Galaxy A7 (2018)'s global score of 84.2. Samsung Galaxy A51 5G's body is newer than the Galaxy A7 (2018)'s, although it is somewhat thicker and heavier. The Galaxy A51 5G and Galaxy A7 (2018) count with very similar displays, because although the Galaxy A51 5G has a just a little lower display density, it also counts with a slightly higher resolution of 1080 x 2400 and a quite bigger display.
Galaxy A51 5G has slightly more memory capacity for games and applications than Samsung Galaxy A7 (2018), and although they both have the same 128 GB internal storage capacity, the Galaxy A51 5G also has a SD extension slot that holds up to 1000 GB. Samsung Galaxy A51 5G counts with a CPU that's very similar to Samsung Galaxy A7 (2018)'s processor, they have 6 GB of RAM and the same number of cores.
The Samsung Galaxy A51 5G features greater battery performance than Samsung Galaxy A7 (2018), because it has a 4500mAh battery capacity. The Galaxy A51 5G shoots much better pictures and videos than Galaxy A7 (2018), because although it has a smaller camera aperture, it also counts with a lot better (4K) video definition, a way more megapixels camera and a much bigger back camera sensor providing a way better image quality.
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