Compare phones
| Global Score | |
| 73.5 | 90.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.0 Nougat | Android 11 |
| 2017-07-01 | 2021-08-11 |
| 6.00 x 2.94 x 0.31 inches | 6.23 x 5.04 x 0.25 inches |
| 6.38 ounces | 9.56 ounces |
| Black, Gold, Rose gold and Silver | Phantom Black, Phantom Green and Phantom Silver |
| Aluminum | Aluminum and Glass |
| Display / Screen | |
| 5.5 inches | 7.6 inches |
| 1920 x 1080 pixels (Full HD) | 2208 x 1768 pixels |
| Super AMOLED | Super AMOLED |
| 401 pixels per inch | 372 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 12 GB RAM |
| Mali-T830 MP2 GPU | Adreno 660 GPU |
| 8.73 | 9.72 |
| Storage | |
| 16 GB internal memory | 256 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 7.48 | 13.3 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.00 MP + 4.00 MP |
| f/1.70 aperture | f/2.20 aperture |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 9.02 | 7.7 |
| 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) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 3600mAh Battery | 4400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.6 | 6.24 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy Z Fold 3 has a general score of 90.6, which is way better than Galaxy J7 (2017)'s overall score of 73.5. Galaxy Z Fold 3's construction is newer and somewhat thinner, but also way heavier than Galaxy J7 (2017). Both of these devices use Android operating system, but Galaxy Z Fold 3 has the older 11 version while Galaxy J7 (2017) has Android 9.0 Pie version.
Samsung Galaxy Z Fold 3 counts with a bit sharper screen than Samsung Galaxy J7 (2017), because although it has a little less pixels per inch in the screen, it also counts with a much larger display and a better resolution of 1768 x 2208 pixels. Galaxy Z Fold 3 features a better processor than Galaxy J7 (2017), and although they both have 8 cpu cores, the Galaxy Z Fold 3 also has a larger amount of RAM.
Galaxy Z Fold 3 has a superior memory capacity for games and applications than Galaxy J7 (2017), because although it has no external memory slot, it also counts with 240 GB more internal memory capacity. Galaxy Z Fold 3 has improved battery duration than Galaxy J7 (2017), because it has 4400mAh of battery capacity.
Samsung Galaxy J7 (2017) counts with a much better camera than Galaxy Z Fold 3, because it has a back facing camera with more mega pixels and a lot bigger aperture.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.