Compare phones
| Global Score | |
| 71.8 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2017-07-04 | 2020-04-29 |
| 5.76 x 2.81 x 0.31 inches | 6.26 x 2.90 x 0.34 inches |
| 5.64 ounces | 6.60 ounces |
| 16 777 216 | Prism cube black |
| Metal | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 282 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP2 GPU | Mali-G76 MP5 GPU |
| 8.73 | 9.27 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 7.48 | 15.38 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | 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 |
| 9.02 | 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 | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.32 |
| Other Features | |
| Bluetooth 4.1 | 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 much better than the Galaxy J5 (2017), having a 90.8 score against 71.8. Even though the Samsung Galaxy A51 5G is noticeably newer than the Galaxy J5 (2017), it's just a little thicker and heavier. The Galaxy A51 5G counts with a bit more powerful CPU than Galaxy J5 (2017), and although they both have a Octa-Core processor, the Galaxy A51 5G also has a higher amount of RAM memory.
Galaxy A51 5G features a much better looking display than Galaxy J5 (2017), because it has a way better 1080 x 2400 pixels resolution, a better display density and a bigger screen. Samsung Galaxy A51 5G takes much better pictures and videos than Galaxy J5 (2017), because although it has a smaller camera aperture which is not favorable for low-light photos and videos, it also counts with a much better 3840x2160 video resolution and a lot more mega-pixels back facing camera.
Samsung Galaxy A51 5G counts with much more storage capacity to install applications and games or saving photos and videos than Galaxy J5 (2017), because it has 128 GB internal memory and a SD card slot that admits a maximum of 1000 GB. Galaxy A51 5G counts with a much longer battery lifetime than Galaxy J5 (2017), because it has a 50% larger battery capacity.
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