Compare phones
| Global Score | |
| 74.6 | 85.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11 |
| -- | 2021-08-11 |
| 6.04 x 3.04 x 0.32 inches | 6.54 x 2.84 x 0.27 inches |
| 6.14 ounces | 6.46 ounces |
| 16 777 216 | Cream, Lavender and Phantom Black |
| Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| -- | $ 1000.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 2636 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 267 pixels per inch | 425 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.3 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| ARM Mali-G71 GPU | Adreno 660 GPU |
| 8.82 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 10.1 |
| Camera | |
| 13.00 MP + 8.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 9.02 | 7.92 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 3000mAh Battery | 3300mAh Nano SIM Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy Z Flip 3 is much better than the Samsung Galaxy J7 Duo, with an 85.6 score against 74.6. The Galaxy Z Flip 3 construction is a little heavier but thinner than Samsung Galaxy J7 Duo. These devices use Android OS (operating system), but Galaxy Z Flip 3 has older 11 version while Samsung Galaxy J7 Duo has Android 8.0 Oreo version.
Samsung Galaxy Z Flip 3 counts with a little bit better processing power than Samsung Galaxy J7 Duo, and although they both have a Octa-Core processing unit, the Samsung Galaxy Z Flip 3 also has 4 GB more RAM memory. The Galaxy Z Flip 3 has a much better display than Galaxy J7 Duo, because it has a way higher pixel quantity per inch of screen, a way higher 1080 x 2636 resolution and a larger screen.
Samsung Galaxy J7 Duo shoots much clearer photos and videos than Samsung Galaxy Z Flip 3, because although it has a tinier diafragm aperture which is worse for taking pictures and videos in low light environments, it also counts with a better resolution back facing camera. The Galaxy Z Flip 3 counts with a better memory capacity for apps and games than Galaxy J7 Duo, because although it has no slot for external memory cards, it also counts with more internal storage.
The Galaxy Z Flip 3 has a little better battery performance than Samsung Galaxy J7 Duo, because it has a 3300mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.