Compare phones
| Global Score | |
| 90.8 | 84.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-04-29 | 2018-10-20 |
| 6.26 x 2.90 x 0.34 inches | 6.29 x 3.02 x 0.30 inches |
| 6.60 ounces | 5.93 ounces |
| Prism cube black | 16 777 216 |
| Aluminum and Plastic | Glass (Corning Gorilla Glass 3) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| 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 980 chipset | Samsung Exynos 7 Octa 7885 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G76 MP5 GPU | Mali-G71 MP2 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 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 (480 fps) (HD) slow motion video | -- |
| 11.55 | 9.9 |
| 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), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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
Samsung Galaxy A51 5G is just a bit better than the Galaxy A7 (2018), with a 90.8 score against 84.2. The Samsung Galaxy A51 5G construction is newer, but somewhat heavier and somewhat thicker than Galaxy A7 (2018). Galaxy A7 (2018)'s processing unit is very similar to Galaxy A51 5G's CPU, both have the same number of cores and 6 GB of RAM memory.
Galaxy A7 (2018) features a display that's very similar to Galaxy A51 5G's display, because although the Galaxy A7 (2018) has a quite lower resolution of 1080 x 2220 pixels and a quite smaller screen, it also counts with a little bit more pixels per inch of screen. Galaxy A51 5G counts with a superior camera than Galaxy A7 (2018), because although it has a tinier aperture, it also counts with a back-facing camera with a much better 48 MP resolution, a way bigger back-facing camera sensor taking lot higher quality photos and videos and a much better 3840x2160 (4K) video quality.
The Galaxy A51 5G features a bit more storage capacity to store more games and applications than Galaxy A7 (2018), and although they both have equal internal storage, the Galaxy A51 5G also has a SD memory card expansion slot that supports up to 1000 GB. Samsung Galaxy A51 5G counts with better battery lifetime than Galaxy A7 (2018), because it has a 36 percent larger battery size.
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