| Global Score | |
| 75.4 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.4.4 | Android 11, 10 |
| 2015-01-11 | 2020-04-29 |
| 5.94 x 3.00 x 0.25 inches | 6.26 x 2.90 x 0.34 inches |
| 4.97 ounces | 6.60 ounces |
| Blue, Gold and White | Prism cube black |
| Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 360.00 | $ 339.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 615 8939 chipset | Samsung Exynos 980 chipset |
| 64-bit ARM Cortex-A53 (Quad-Core 1500 MHz + Quad-Core 1000 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 2 GB (800 MHz) RAM | 6 GB RAM |
| Adreno 405 (500 MHz) GPU | Mali-G76 MP5 GPU |
| 9.45 | 9.27 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 6.16 | 15.38 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 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 |
| 8.03 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 2600mAh Li-Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 17 hours talk time | -- |
| 4.56 | 6.32 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Samsung Galaxy A51 5G has a score of 90.8, which is much better than Galaxy A7's general score of 75.4. The Samsung Galaxy A51 5G is a much newer phone than Galaxy A7, but it is way heavier and noticeably thicker. These phones include Android OS, but the Samsung Galaxy A51 5G has the older 11 version and Galaxy A7 has Android 4.4.4 version.
Galaxy A7 has a better screen than Galaxy A51 5G, although it has a little bit lower resolution of 1920 x 1080px, a little smaller display and a little less pixels per inch in the display. Galaxy A51 5G counts with a much greater storage capacity for games and applications than Galaxy A7, because it has a SD card slot that allows a maximum of 1000 GB and 128 GB internal storage capacity.
Galaxy A7 features a little faster CPU than Samsung Galaxy A51 5G, because although it has less RAM, and they both have 8 cores, the Galaxy A7 also counts with a 64 bits processor and a graphics co-processor. The Samsung Galaxy A51 5G captures a lot better pictures and videos than Galaxy A7, because it has a much higher 3840x2160 video definition and a much more MP camera.
Galaxy A51 5G counts with a much longer battery lifetime than Galaxy A7, because it has a 73 percent bigger battery capacity.
Samsung Galaxy A51 5G not only is the best phones in our comparison, but it's also cheaper than the Galaxy A7, making it a very good choice.
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